Based in New York City, exClone, Inc., is a 5-year old technology company focused on conversational AI, and virtual experts. VOCTOR is an exClone brand and business.

VOCTOR team is comprised of top medical experts in their fields who administer the ecosystem of doctors and app users within the system.

Emre Kayaalp, M.D., Ph.D


Emre is a Board-certified Obstetrics & Gynecology specialist. He has held multiple leadership positions at universities and hospitals in the USA and abroad. Currently, he is affiliated with the HMH—Hackensack University Medical Center, Dept. of Obstetrics & Gynecology, where he serves as Director of Labor & Delivery. By leveraging his unique background in humanities, science, research, patient care, and education, Emre has developed powerful models of medical decision-making. He holds a B.A. in Biology from Swarthmore College, an M.D. from Rutgers—New Jersey Medical School, both Ph.D. and Ob/Gyn Residency training at McGill University, and a Research Fellowship at MGH—Harvard Medical School.

Antonia P. Francis, M.D.

Medical Board

Dr. Antonia P. Francis is a Board-certified Obstetrics & Gynecology specialist and a Maternal-Fetal Medicine sub-specialist at Hackensack University Medical Center where her clinical practice focuses on managing complications in pregnancy affecting mothers and their unborn babies. She also serves as an Assistant Professor in Obstetrics and Gynecology at Hackensack University School of Medicine. Dr. Francis combines her passion for women's health with her translational research work in order to understand and bridge the gap in women’s health. She is a well-respected clinician, teacher, researcher and mentor to medical students and residents. Dr. Francis received her graduate training from Mount Sinai Health and her fellowship training at New York University Langone Health where she also obtained a master’s degree in Clinical Investigation.

Angie Li, M.D.

Medical Board

Dr. Angie Li is an obstetrician-gynecologist at Mott Women Healthcare, and a Post doctoral fellow in biomedical informatics at the University of Buffalo. Prior to that, she was affiliated with Mount Sinai Beth Israel, in New York, She received her medical degree from University of Texas Medical School and has been in practice between 6- 10 years. She was one of 185 doctors at Mount Sinai Beth Israel who specialize in Obstetrics & Gynecology.

James A. McGregor, M.D.

Medical Board

James is a graduate of Dartmouth College and McGill University’s Faculty of Medicine. He has served as Professor of Obstetrics & Gynecology practicing at UCLA, USC and the University of Colorado Hospital. Dr. McGregor practiced as a fully engaged obstetrician and gynecologist for forty years at Cedars-Sinai, Los Angeles County, Tucson Medical Center, and University of Colorado Hospitals until his retirement in 2010. Dr. McGregor is an internationally known clinician, researcher, teacher, author, editor, and expert consultant. He is the author of over one hundred published papers, chapters, textbooks, and videos.

Jacques Durand, M.D.

Medical Board

A Medical Doctor, serial entrepreneur, and global specialist in Chatbots for Medicine. Living between Singapore, Indonesia, and Europe, Jacques is a healthcare specialist with over 24 years of experience. With proven leadership as a "Digital Health Expert" and the ability to manage projects, his special interests include strategic planning, service line development, product development, medical staff development, service redesign, digital health, and international healthcare.

Riza Berkan, Ph.D

President, Founder

Founder of The exClone project, Dr. Berkan is a scientist by training with a specialization in artificial intelligence and fuzzy logic. He is the author the book Fuzzy Systems Design Principles published by IEEE, and published over 100 scientific articles on artificial intelligence, neural networks, fuzzy logic, and semantics. Dr. Berkan has a decade of experience in semantic search technologies and startups like AnswerChase, hakia, and MoodTrade. He was nominated in the Executive Council of New York’s TEN Awards for Best “Up and Comer”, a prestigious award honoring the best senior executives in New York City, in 2009.

Oguz Akgungor

Chief Technology Officer, Co-founder

Oguz is the application software architect of exClone. He has previously built software systems for credit card automation, and natural gas field operations automations. Oguz was system developer at hakia for 6 years between 2006 and 2012 and senior developer in AIG since 2015. He is the system architect of DrCHAT. Oguz holds a BS degree in Mathematics from Bogazici University, and an M.S. degree in Education Science from Yildiz Teknik University in Istanbul, Turkey. He resides in New York.

David Kuhn, ESQ

Chairman, Co-founder, General Counsel

David graduated from Harvard in 1989 after achieving academic and athletic awards, as well as playing quarterback for the Ivy League Championship football team in 1987. His career spans being a litigation attorney in NYC, business executive, professional photographer, film producer, and war journalist. He practiced law in Manhattan Supreme Court for 10 years as a criminal defense litigator, and has gone on to serve as counsel for various start-up businesses, events and organizations handling finance, formation, contracts and negotiations. As a journalist, he has been published in Vanity Fair, Vogue, The New York Times, and numerous online publications. He is currently COO of RTG, LLC., and serves as general counsel for Charlotte Street Films, The Eisenhower Project, and exClone, Inc., while also representing select individual clients from his base in New York City.

Karen Axt, Ph.D, ESQ

Advisory Board, Intellectual Property

Karen Axt is a registered patent attorney with 15+ years of experience assisting and counseling large and small companies (domestic and foreign), as well as individuals and non-profits, with their intellectual property needs. She has expertise in procuring, defending and licensing trademarks and patent rights in a wide range of industries, managing worldwide portfolios of such properties, and procuring US copyright protection. Ms Axt also has a PhD in pharmacology from the University of Chicago and worked as a research scientist at Johns Hopkins School of Medicine for 10 years prior to entering the legal profession.