David Block is an astronomer and highly sought-after inspirational speaker, who has devoted over 40 years to encouraging audiences around the globe. Dr. Block holds a Master of Science in relativistic astrophysics and a Doctor of Philosophy in Astronomy. He is an Emeritus professor in the School of Computer Science and Applied Mathematics at the University of the Witwatersrand, Johannesburg, South Africa.
Fabo Feng is a postdoctoral fellow studying exoplanet detection, celestial dynamics, statistics, and interdisciplinary topics at the Carnegie Institution of Washington, DC. He received his PhD from the Max Planck Institute for Astronomy in Heidelberg, Germany.
Eric Klumpe received his PhD in astronomy from the University of Texas at Austin in 1999.
Dr. Sharon R. Bloch is a professor of science at Lincoln Christian University where she enjoys engaging students in discussions about the relationship between science and faith. She has a BS in biology and chemistry from Millikin University and a PhD in cell and molecular biology from Saint Louis University. Prior to teaching, she had a productive research career in tumor imaging at Washington University School of Medicine. Dr. Bloch believes that people need not choose between scientific findings and faith in God. “When I study science,” she says, “I see how God designed everything to work according to its purpose. Science and faith provide two different views of the same picture, and in order to see the whole picture you need both.”
Dale Burnside received his PhD in zoology from the University of Florida in 1969.
Richard is a trained Christian apologist (MA, Biola University) and a research conservation ecologist (MS, Boise State) specializing in birds of prey. He writes and speaks on these and other interests.
Steven Baertschi is president of Baertschi Consulting, a firm specializing in solutions to the most difficult pharmaceutical stability, impurity, analytical, solid-state, and formulation issues. He retired from Eli Lilly and Company in 2015, after more than 29 years of experience in the pharmaceutical industry. He obtained his PhD in organic chemistry in 1989 from Vanderbilt University.
Robert “Dr. D” DiSilvestro has a PhD in biochemistry from Texas A&M University. He was a professor of nutrition for 34 years and is currently emeritus professor of nutrition at Ohio State University. His early research focused on the biochemistry and physiology of metalloproteins, providing perspective on God’s creation. Later, his research became more oriented around interventions with nutrition, nutraceuticals, and pharmaceuticals, informing his perspective on God as Designer. Dr. D’s work, which requires subjective data evaluation, has also offered insight into historical and testimonial evidences for biblical reliability.
John Drach is professor emeritus at the University of Michigan. He held faculty positions in the School of Dentistry and College of Pharmacy. He holds three degrees from the University of Cincinnati: a BS in pharmacy, an MS in pharmaceutical chemistry, and a PhD. in biochemistry. After working for four years as a research scientist at Parke, Davis & Company in Ann Arbor, Michigan, he joined the faculty of the University of Michigan in 1970, where he taught pharmacology, aspects of virology, and related subjects. He also ran a research program involving discovery and mechanisms of action of antiviral drugs.
Eugene Lopata obtained his PhD in physical chemistry at the University of Michigan in 1973. He worked in the field of plasma-enhanced vapor deposition and atomic layer deposition at a variety of industries before retiring in 2008.
John Millam received a BS in chemistry and physics from the University of Arizona in 1992, and a PhD in theoretical chemistry from Rice University in 1997. He completed post-doctoral work at Wayne State University (1997-2001) that was focused on developing code for molecular dynamics calculations.
Terry “Mr. Li” Rathman received his PhD in organoalkali/alkaline chemistry in organic synthesis from Virginia Tech before completing postdocs at Penn State Milton S Hershey Medical Center in the Biological Chemistry Department and then in a material science department of NASA. He then took a bench chemist position at FMC Corporation, where he went on to become a group leader, the R&D director of organometallics, and the technical sales representative for the lithium division’s organo- and metalorgano-products. Dr. Rathman has given talks around the world and published in numerous venues.
Claude Sandroff received his PhD in physical chemistry from Brandeis University.
Marty Crossland’s background includes 14 years of applied earth science as an exploration geophysicist in the petroleum industry, followed by 30 years in higher education as a professor of computer information systems and administrator. He is currently associate vice president of instructional technology and online education, and chair of computer information systems programs at MidAmerica Nazarene University in Olathe, Kansas.
Stephen Chua obtained his PhD from the Nanyang Technological University (NTU), Singapore, where his doctoral work involved borehole data for subsurface geological modeling and using records from sediment cores in Singapore to reconstruct Holocene sea level and morphological and environmental changes. Stephen is currently a research fellow in the Earth Observatory of Singapore looking at palaeoenvironmental change in Singapore and the region. He is also passionate about discipleship, outreach, and apologetics, and is currently serving in Alpha ministry in his home church.
Ron Behrens has worked as a subsurface research engineer in oil and gas recovery for 37 years, applying a mix of engineering skills ranging from the fundamental to the pragmatic. He holds a BS in chemical engineering from the University of Minnesota and a PhD in chemical engineering from the University of Delaware. Learning the fundamentals of thermodynamics and heat and fluid transfer enabled a multi-specialty career. Behrens has worked at seven locations on three continents, tasked with roles spanning from R&D to operations for a diverse set of technical projects, including miscible enhanced oil recovery, reservoir characterization and modeling, 4D seismic, and heavy oil thermal recovery. Over the last dozen years, his work has included technical supervision of engineers for reservoirs, wells, facilities, and various other projects.
Cheung has over 27 years of experience in the electric power industry and is currently the secretary of the Analytic Methods for Power Systems (AMPS) Committee, and the chair of the Technologies and Innovation Subcommittee of the IEEE Power & Energy Society (PES).
Steven Dobbs received his BS in Aerospace Engineering from Cal Poly Pomona and his MS in Mechanical Engineering from Cal State Long Beach.
Timothy Gordon is a resident of Boise, Idaho and currently works as a clinical data analyst for the Department of Veterans Affairs. Prior to that, Tim was a software engineer for Micron Technology Inc. for over 15 years. He is also a retired US Navy Commander. Tim recently completed his doctorate in scientific apologetics from Southern Evangelical Seminary.
Curtis Hrischuk received an MEng (1995) and a PhD (1998) in systems and computer engineering from Carleton University in Ottawa, Canada. His work in the high-tech sector has included products ranging in size from RFID tags to web-based distributed application clusters. He has been published in several international, refereed journals and conference proceedings, and received a Best Paper Award at the Computer Measurement Group’s international IMPACT conference in 2006.
Curtis is currently a technical product manager at a high-tech startup company, where he focuses primarily on the optimization of emerging technologies. He is also a member of the Reasons to Believe Apologetics Community and a director for the North Carolina State University, Raleigh chapter of the apologetics organization Ratio Christi.
Zachary Leung received his PhD in electrical engineering and computer science from Massachusetts Institute of Technology (MIT). He has more than 25 years of experience working in both Asia and North America, all in the area of technology and innovation, covering: (1) entrepreneurship; (2) management in multinational corporations; (3) teaching, research, and technology transfer in universities; and (4) mentoring and investments in young startups. His research interests are in machine learning, artificial intelligence, speech recognition and understanding, and neural networks. Zachary has received certificates from the RZIM Academy, and is currently pursuing his MA in science and religion at Biola University. He is currently based in Hong Kong.
Frank Pyrtle received his PhD in mechanical engineering from the Georgia Institute of Technology. In 1996 and 1999, he received his BS and MS degrees in mechanical engineering from Texas A&M University. Frank is a licensed, practicing professional engineer in Florida.
Brad Sargent was born and raised in Southern California where he received his PhD in bioengineering from UC San Diego. He continued his academic work in Switzerland and New Mexico before moving to industry to focus on medical device development, especially medical diagnostic devices. He is now vice president of engineering for Omnica Corporation, a medical device development company in Irvine, California. Raised in a Christian home, Brad has always had a passion for integrating the truth of the gospel with the truths revealed from science.
Robert Varga earned AB and BSEE (electrical engineering) degrees from the University of Notre Dame, and a Masters and PhD EE from the University of Florida. His forty-plus years in high technology have encompassed research at Bell Laboratories and leadership roles in a variety of business startups, and turnarounds, within public and private companies. He now serves on the Executive Advisory Board for the Shiley-Marcos School of Engineering at the University of San Diego, and its Industry Scholars Program that provides mentorship for engineering students. He also tutors high school math and manages a San Diego franchise of a national tutoring organization.
Leslie Wickman received a master’s degree in aeronautical and astronautical engineering and a PhD in human factors and biomechanics from Stanford University. She is an internationally respected research scientist, engineering consultant, author, and inspirational speaker. For more than a decade, she was an engineer for Lockheed Martin Missiles and Space, where she worked on NASA’s Hubble Space Telescope and International Space Station programs, receiving commendations from NASA for her contributions and being designated as Lockheed’s Corporate Astronaut (hence the nickname “Rocket Girl”).
Wickman has lectured around the world on satellite servicing, spaceflight physiology, astronaut training and operations, as well as various topics in astronomy, environmental stewardship, and the interface between science and theology. Some of her recent projects include climate change impacts on national security, assessment of future human spaceflight missions and technologies, human factors problems for extreme environments, fighter pilot proficiency training, sustainable agriculture, and water reclamation.
Thomas Alderman is a trial attorney who has practiced law in Eugene, Oregon, since 1974. Through the 1980s and 1990s, he was active in pro-life causes. In 1998 his interests turned to the study of science for his own edification and for equipping himself to defend the truth of the gospel of Jesus Christ. He has since appeared many times on university campuses for debates with members of chemistry, physics, biology, and philosophy faculties concerning the relative merits of neo-Darwinian theory and old-earth creation theory. Mr. Alderman’s other interests include classical guitar, tennis, running, and hiking. He is married and the father of three adult sons.
Dr. Joseph “Joe” P. Bassi is an adjunct online lecturer at the University of Texas at El Paso in National Security Studies. He is a fellow of the Royal Astronomical Society and specializes in the history of space sciences. During his PhD program at the University of California, Santa Barbara, Joe was a Guggenheim predoctoral fellow in space history at the Smithsonian National Air and Space Museum. From 2010 until 2017, he was an assistant professor of arts and science at Embry-Riddle Aeronautical University.
Joe is a retired US Air Force officer with twenty-six years of active duty. He also has graduate degrees in meteorology from Penn State, astrophysics from the University of Colorado, and history from George Washington University. He graduated from Manhattan College with a BS in physics and was a distinguished graduate of the Air Force Reserve Officers’ Training Corps (ROTC) program.
Miguel Endara is academic dean and professor of philosophy and religion at Veritas International University. He has degrees in computer science, theology, apologetics, and a PhD in philosophy.
Kyle has an MA in apologetics from Southern Evangelical Seminary where he is currently earning a PhD in philosophy of religion. Kyle is earning an MA in professional writing from Liberty University, and teaches English composition and introductory philosophy at South Plains College in Levelland, Texas. He also specializes in the problem of animal suffering.
Jeffrey and his wife both served as full-time missionaries with Wycliffe Bible Translators and Youth With A Mission (YWAM). They served in Guatemala with YWAM from 1990 to 1994. Jeffrey has a passion for apologetics and campus ministry.
Diana Parvinchi completed her PhD in “Brain Behavior and the Cognitive Sciences,” a subdiscipline of psychology at York University in 2012. Her PhD work focused on eye movement patterns in children with Tourette syndrome and its comorbid conditions. Following graduate work, she completed several years of postdoctoral work at SickKids Hospital, McMaster University, and York University. She hopes her research will lead to better understanding of the underlying cognitive and socio-emotional mechanisms of behavior in children and aims to translate this research in applied contexts.
She resides in Ontario, Canada, with her husband and two children.
Jason Rampelt is a historian of science specializing in the early modern period, but with interests in all periods. After completing his PhD in history and philosophy of science (HPS) at Cambridge University, he was a research fellow at the Faraday Institute for Science and Religion. He teaches part-time in HPS at the University of Pittsburgh and is a fellow in Christianity and science at the Greystone Theological Institute in Pittsburgh.
Richard Robertson has his JD and is the founder and shareholder of Richard L. Robertson & Associates, P.A.
Edward Russell received his Ed.D. in curriculum instruction and educational psychology.
Paul Shockley earned his Ph.D in philosophy from Texas A&M University in College Station. He also holds an MA in humanities history of deas from the University of Texas at Dallas, a ThM from Dallas Theological Seminary in systematic theology and biblical exposition, and a BA in history from Stephen F. Austin State University.
Douglas Faries earned a PhD in statistics from Oklahoma State University and is currently a Senior Research Fellow at Eli Lilly and Company.
Scott Warlow completed his PhD in mathematical physics at the University of Toronto (specializing in quantum gravity) in 1992. Following doctoral-level study in finance at the Schulich School of Business, Scott has worked in the asset management industry since 2002, both in the private and public sectors, and he has developed a deep knowledge of statistical methods. He holds an Intermediate Certificate in Science Apologetics from RTB and has been a volunteer apologist since 2013. He is currently completing his MDiv at Tyndale Seminary in Toronto, specializing in biblical studies.
Scott came to faith as an adult while completing his Ph.D., and was baptized in 1992. He lives in the Toronto area with his wife of more than 20 years and their two daughters, and currently serves as a teacher in his congregation, Milestone Ministries, a church of over 1,000 people located in Toronto.
Marvin Bittinger received his PhD in mathematics education from Purdue University in 1968. He is professor emeritus of mathematic education at Indiana University – Purdue University Indianapolis. He is one of Pearson Education’s top-selling authors, having sold over 13 million copies of his college mathematics textbooks in 250 books/editions.
Noel Brownlee graduated from Wofford College in 1993. He completed his dissertation work in the area of tumor cell biology at the Medical University of South Carolina. He then completed medical school at the University of South Carolina, earning his MD in 1998. He has practiced as a surgical pathologist and currently serves as medical director at North Greenville University.
Aubrey Lee Cartwright received his PhD from North Carolina State University in 1982. He later received an MBA from Salisbury University in 1991. He held a post-doctoral position as physiologist at both University of Georgia and USDA-ARS Russell Research Laboratory in Athens, Georgia (1982-1984). At Texas A&M University, he lectured and taught graduate and undergraduate courses in nutrition, biochemistry, food chemistry and physiology.
Dr. Keng Sheng Chew is currently the deputy dean of postgraduate studies, research and commercialization, of the Faculty of Medicine and Health Sciences at Universiti Malaysia Sarawak. He is also a professor of emergency medicine and head of the medical education unit. Dr. Chew earned both his MD and a Master of Medicine in emergency medicine at Universiti Sains Malaysia. His teaching philosophy is “creating a legacy, whenever, wherever.”
Dr. Christina Cirucci earned a BS in mechanical engineering from Virginia Tech. She worked in engineering for seven years before pursuing a career in medicine. She received her MD from Jefferson Medical College, then completed a residency in obstetrics and gynecology at the Medical College of Virginia. Dr. Cirucci is board certified in obstetrics and gynecology and has worked 20 years in the field. Additionally, she has served on many volunteer mission trips to third world countries in Asia and Africa, including six to Bangladesh.
Claudia C. Cotca is a three-time graduate of University of Michigan, where she received a bachelor of science in chemistry and cellular molecular biology, a master of public health in toxicology, and a doctor of dental surgery. Dr. Cotca, an international lecturer and aesthetic restorative dentist, founded the Washington Institute for Dentistry & Laser Surgery in Washington DC Metro and the C3 Think Tank, where she develops real-time oral systemic aesthetic advanced clinical protocols. She serves on several committees including the ADA Standards Committee on Dental Products, the American National Standard on Dental Products, and is a US Delegate to the International Organization of Standardization. For nearly two decades she has been active in healthcare policy and innovation as an expert both on Capitol Hill and in the healthcare industry. Dr. Cotca is a fellow of the American Academy of Oral Medicine, the Pierre Fauchard Academy, and the International College of Dentists, and is a member of the International College of Prosthodontists.
Ernest L. McClellan, MD, is a retired anesthesiologist who specialized in cardiac and neuroanesthesia. His training includes a masters in biochemistry from Baylor University, doctoral research at the Dallas Baylor Graduate Research Institute in coagulation chemistry, a medical degree from the University of Texas, and a residency at the University of California, San Diego. In addition to founding a medical practice in Kansas, Ernest helped organize the state and local emergency medical services systems and train and establish a multibase air ambulance system. He is currently active in teaching about the integration of science and faith in his community.
James Patterson is currently the interim chief of staff and chief of mental health service at the Overton Brooks VA Medical Center, Shreveport Louisiana.
Virgil Robertson received his doctorate in Chiropractic medicine from Southern California University of Health Sciences in 1985 and added a Family Nurse Practitioner degree from Samford University to his resume in 2012.
Dr. Perry Santos is an otolaryngology physician in Oklahoma City, OK.
Ron Sisel received his undergraduate and medical degrees at the University of Southern California in Los Angeles, where he then completed his surgical residency training as well. He served as a community general surgeon in the north San Diego and south Riverside County area in California until his retirement in 2005. Ron and his wife, Judy, have two daughters and four grandsons.
Kirk Bertsche earned his Ph.D. in Physics from the University of California at Berkeley in 1989. His graduate research involved the design, construction, and operation of a small, low-energy, cyclotron for radiocarbon dating. Dr. Bertsche has worked at a number of DOE national laboratories on projects involving particle accelerator design and operation, including radiocarbon dating with AMS. He has over 60 scientific publications and 18 patents.
John Bloom earned a PhD in physics from Cornell University, then went to seminary and completed a second PhD in Ancient Near Eastern studies (Old Testament backgrounds) so that he would have a reasonably balanced training in both science and theology. For the past 27 years he has taught physics at Biola University. He also started the Master of Arts in Science and Religion program at Biola’s Talbot School of Theology in 2004, in collaboration with the Christian Apologetics program. Bloom enjoys teaching courses that integrate Christianity and science because of the importance of these topics both in today’s culture and to other scientists.
Jack Crenshaw received his PhD in Physics from Auburn University.
Randy Goodall received his BS in Physics from Caltech and his PhD from the University of Oregon in experimental physics studying the Quantum Hall Effect.
After completing his PhD in experimental plasma physics and fusion energy research, Eric accepted a guest researcher position in fusion energy at KTH Royal Institute of Technology in Stockholm, Sweden. Eric then transitioned into teaching physics and astronomy. Since the fall of 2018, Eric has served as professor of physics and astronomy at Biola University.
David Newquist retired in 2010 from a career as a missionary in Taiwan with OMF International. He received a BS in physics at Wheaton College, an MS in physics at Iowa State University, and a PhD from the Institute of Atmospheric Physics at the University of Arizona. In Taiwan he taught in the physics department at Tunghai University, mainly teaching astronomy and atmospheric physics. Dr. Newquist also taught an elective course on natural science and religious faith, for which he wrote the textbook in Chinese. He also was involved in the ministry of the campus church and student fellowship. He and his wife Judy now live in Kearney, Nebraska, finding opportunities the Lord brings them for spiritual interaction with Chinese people.
Brandon Reddell works at the NASA Johnson Space Center and teaches physics and astronomy at the University of Houston at Clear Lake. He holds a PhD in physics from the University of Houston (specializing in high energy/space physics) and most of his work has focused on ionizing radiation problems associated with human spaceflight. Currently he is an assistant program scientist for the International Space Station Program.
Robert Sheldon has an MA in religion (1985) from Westminster Theological Seminary and a PhD physics (1991) from University of Maryland, College Park. He has taught at the University of Bern, Boston University, University of Alabama in Huntsville, and Wheaton College. He is presently with Torch Technologies assisting the Army’s Advanced Photonics Testing Lab. His latest book, The Long Ascent: Genesis 1-11 in Science & Myth, vol. 2 will be available in fall 2019 and will be discussing the location of Eden.
David Snoke is a professor in the Department of Physics and Astronomy at the University of Pittsburgh, where he has been since 1994.
Regan Stinnett received his PhD in plasma physics from the University of Texas. He worked as a researcher and manager at Sandia National Laboratories (SNL) in the areas of fusion, beams, microsystems, materials, and nanotechnology. From 2006–2012 he led SNL’s National Institute for Nano Engineering . Regan took entrepreneurial leave from SNL to start Quantum Manufacturing Technologies, Inc. where he served as president and CEO. Upon his return, Regan was part of SNL’s Advanced Concepts Group and also worked to create partnerships between national laboratories, universities, and industry. Regan received US Department of Energy awards for STEM Mentorship and Contributions to the Nuclear Weapons Program.
John Battle received his M.Div. and S.T.M from Faith Theological Seminary in Philadelphia, and then obtained his Th.D. from Grace Theological Seminary in Indiana.
Timothy Boyle received his DMin from Fuller Theological Seminary in 1986.
Chad Brown is a pastor and Christian apologist who holds a BS in religion with a focus on youth ministry and an MTS in theological studies from Liberty University. He received a DMin in expository preaching and teaching from Liberty’s Rawlings School of Divinity. Chad’s doctoral thesis focused on combatting secular humanism with a strategy for teaching theology and apologetics to high school students.
Chad teaches theology, philosophy, and apologetics at a Christian school and is writing holistic high school curriculum. He spends his summers speaking at camps and surfing. Follow him on Instagram, Twitter, and YouTube @drchadbrown.
Daniel Cote is a science teacher, pastor, and Christian apologist. Dan began his career as an engineer and progressed into senior management in the semiconductor equipment industry. He then transitioned to teaching physics, philosophy, and apologetics at a Christian school.
Dan holds a BS in mechanical engineering from the University of Maine and an MS in electrical engineering from the University of Bridgeport. He also completed an MMin at Southern Evangelical Seminary and a DMin in theology and apologetics at Liberty University. In his doctoral research, Dan investigated original monotheism and the challenge it poses to naturalism and New Age beliefs.
Dan serves as associate pastor of his church and holds ordained ministerial standing in the Conservative Congregational Christian Conference. He is the founder of multimediaapologetics.com, a website ministry that defends the truth of Christianity with the goal of advancing the gospel.
Kevin Daniels is a native inner-city Baltimorean and is currently a tenured professor in the School of Social Work at Morgan State University (MSU) and an international fellow with the International Institute Human Sciences . He was a postdoctoral fellow of the Leadership Institute at Harvard College and former senior fellow with the National Center for Health Behavioral Change (Kellogg Foundation). He is also the episcopal senior pastor at St. Martin Church of Christ. In 2015, after the Baltimore city unrest, he initiated the collaborative Cultural Competence Training for Baltimore City Police Department (BCPD) veterans and cadets on MSU’s campus and is currently working as one of the principal investigators for the community engagement portion of the Baltimore Consent Decree. This portion of the Consent Decree allows for conversational community engagement with the BCPD and communities across all nine police districts. Kevin also holds a license as a social worker and counselor and a certification as a community conferencing facilitator within the communities of Druid Heights and Madison Park.
John Donahue received his BA in European History at Princeton University where he majored in European History, concentrating in the History and Philosophy of Science. Later, Mr. Donahue received his MA in Christian Apologetics from Luther Rice University and his M.Div from Luther Lice Seminary.
Jim Johansen received his PhD in theology and apologetics from Liberty University. He earned his MS in in science and religion and MA in Christian apologetics from Biola University. He also earned his MS in electrical engineering from the University of Southern California.
Tassos Lycurgo is the president of Defense of Faith International Ministries (Ministério Defesa da Fé, see defesadafe.org) and of Faith.College . He is also an ordained minister, an attorney, a professor in the Design Postgraduate Program at the Federal University of Rio Grande do Norte (UFRN), and a pastor at the Igreja Defesa da Fé in Brazil. He was a postdoctoral fellow in theology at Oral Roberts University (USA) and in sociology of law at Federal University of Paraíba (Brazil). Tassos holds a PhD in educational studies, mathematics/logic from UFRN and earned his MA in analytic philosophy from Sussex University (UK). He is also a graduate of law with a specialization in material and procedural labor law from Anhanguera-Uniderp University (Brazil), in addition to philosophy (UFRN), advanced leadership (HI, Thailand) , and pastoral ministry and biblical studies (RBT College, USA). He has published ten books, with the most recent being Job—Betrayed by God? Delivered to the Devil?
Dr. J. R. Miller earned a BS in architectural engineering from Pennsylvania State University, an MDiv from Oral Roberts University, an MASR from Southern California Seminary, and a DMin from Biola University. He finished his ThM and will graduate with his PhD in ethics from Midwestern Baptist Theological Seminary in 2021. He has taught at Southern California Seminary for more than a decade and has worked in pastoral ministry for over 20 years. He has authored multiple books on leadership, church history, and biblical theology, including his latest work, Elders Lead a Healthy Family: Shared Leadership for a Vibrant Church.
Joe and his wife, Suzanne, enjoy the sun and surf with their three sons in San Diego, CA.
Johnson Philip is an expert in quantum nuclear physics and Christian apologetics. He earned his PhD in quantum-nuclear physics from Jiwaji University and ThD in Christian apologetics from International Theological Seminary.
Johnson started the creationism and apologetics movement in India in the 1970s. He has trained thousands of people in apologetics in 170 countries through his distance training program and has published numerous textbooks—including ones on systematic theology and apologetics—in the Malayalam language. He has also published a dictionary of theology and a four-volume Bible encyclopedia. In addition to such scholarly work, his main emphasis has always been Bible exposition and Christian apologetics meant for lay people. He is fluent in Hindi, Malayalam, and English and is a devoted student of Greek, Sanskrit, Urdu, and Arabic languages.