Albion J. Fitzgerald

Chairman of the Board of Directors

Albion J. Fitzgerald has served as a member of our board of directors since May 2014 and was appointed as chairman in July 2014. Mr. Fitzgerald previously served as chief executive officer and chairman of the board of directors of ManageIQ, Inc., a provider of global cloud IT systems management solutions. Mr. Fitzgerald was appointed as a director of ManageIQ in 2007, and served as strategic consultant to the Company from 2007 until April 2012, and as chief executive officer and chairman of the board of directors from April 2012 until ManageIQ, Inc. was acquired by Red Hat, Inc. in December 2012. In 1992 Mr. Fitzgerald co-founded Novadigm, Inc. (NASDAQ: NVDM), an international provider of IT systems management solutions to Fortune 500 companies and government agencies with customers in 26 countries. He served as its chairman and chief technology officer from 1992 and chief executive officer from 1995 until its acquisition by Hewlett Packard in 2004. Prior to Novadigm, Mr. Fitzgerald founded and served as chief executive officer of Telemetrix, Inc., a provider of enterprise IT systems and network management solutions. From 1980 to 1989, Mr. Fitzgerald was a strategic technology consultant to New York University responsible for architecting, building and managing the university’s computer center and campus-wide multi-media network. Mr. Fitzgerald began his technology career at IBM in 1966.

Nir Barzilai, M.D.

Founder and Director

Dr. Barzilai co-founded our Company in 2007 and has served as a member of our board of directors since our conversion to a Delaware corporation in 2009. Dr. Barzilai is the director of the Institute for Aging Research at the Albert Einstein College of Medicine of Yeshiva University, where he also holds the Ingeborg and Ira Leon Rennert Chair of Aging Research, is a professor in the Departments of Medicine and Genetics and a member of the Diabetes Research Center. Dr. Barzilai is also director of the Paul F. Glenn Center for the Biology of Human Aging Research and of the National Institutes of Health’s (NIH) Nathan Shock Centers of Excellence in the Basic Biology of Aging. Dr. Barzilai has received numerous awards, including the Beeson Fellow for Aging Research, the Ellison Medical Foundation Senior Scholar in Aging Award, the Paul F. Glenn Foundation Award, the NIA Nathan Shock Award, and the 2010 Irving S. Wright Award of Distinction in Aging Research. Dr. Barzilai is the Director of the Institute for Aging research at Albert Einstein College of Medicine, under the auspices of which he is the principal investigator of the largest of five Nathan Shock Centers of Excellence in Biology of Aging and the Glenn Center for the Biology of Human Aging.

Pinchas Cohen, M.D.

Founder and Director

Dr. Cohen co-founded our Company in 2007 and has served as a member of our board of directors since our conversion to a Delaware corporation in 2009. He served as our President from 2009 until 2013. Since April 2012, Dr. Cohen has served as dean of the Davis School of Gerontology at the University of Southern California. He holds the William and Sylvia Kugel Dean’s Chair in Gerontology and acts as executive director of the Ethel Percy Andrus Gerontology Center. Dr. Cohen was affiliated with the University of California, Los Angeles School of Medicine, where he was a member of the faculty until 2012. At the UCLA Mattel Children’s Hospital Dr. Cohen served as director of endocrine/diabetes research and training (from 1999 until 2012), chief of endocrinology and diabetes (from 2001 until 2012) and as vice chair of research (from 2011 until 2012). Dr. Cohen was also co-director of the UCSD-UCLA Diabetes and Endocrinology Research Center from 2007 until 2012. Dr. Cohen has received several awards for his work in the field of aging, including a National Institute of Aging EUREKA Award, the National Institutes of Health Director’s Transformative Research Award and the Glenn Award for Research in Biological Mechanisms of Aging. He serves on the boards of several professional journals and societies, including the American Federation for Aging Research and the Growth Hormone Research Society.

Steven B. Engle

Chief Executive Officer, Director

Mr. Engle joined CohBar as Chief Executive Officer and Director in 2019. From 2011 to 2019, he served as the Chief Executive Officer of Averigon, an advisory firm to the life science industry. From 2007 to 2011, Mr. Engle was Chairman, Chief Executive Officer and President of XOMA Corporation (NASDAQ: XOMA), a publicly traded biotechnology company developing antibody therapeutics for multiple diseases. From 1993 to 2006, he held several executive management roles including serving as Chairman and Chief Executive Officer at La Jolla Pharmaceutical Company (NASDAQ: LJPC), a publicly traded biotechnology company developing therapeutics for autoimmune diseases. Mr. Engle is chairman of Prescient Therapeutics (ASX: PTX), and a director on the boards of AROA Biosurgery (AUS: ARX) and Author-it Software Corporation. He is a former director of the board of the industry associations, BIO, BayBio and BIOCOM. Mr. Engle received a B.S. in Electrical Engineering with a focus in biomedical engineering and an M.S. in Electrical Engineering from the University of Texas, Austin.

Phyllis Gardner, M.D.


Dr. Gardner was appointed to the Board in February 2019. Dr. Gardner has over 35 years of experience in the medical industry and academia. Dr. Gardner is currently a tenured professor at the School of Medicine at Stanford University, where she has served in various positions since 1984, and is a member of the board of directors of the Harvard Medical School of Fellows and Advisory Council on Education. Dr. Gardner has served as a director of Revance Therapeutics, Inc. (NASDAQ: RVNC), a biotechnology company, since December 2008, and previously served on the board of directors of Corium International, Inc., a biopharmaceutical company formerly listed on NASDAQ, from November 2007 to November 2018. From September 2014 to September 2015, Dr. Gardner served as a director of Parnell Pharmaceuticals Holdings Ltd. (OTCMKTS: PARNF). From 1999 to 2014, Dr. Gardner served as an adjunct partner, then partner at Essex Woodlands Health Ventures, a healthcare growth equity and venture capital firm. She also served as an independent director of various biopharmaceutical companies from 1998 to 2005. Dr. Gardner’s research has centered on cardiac arrhythmias, ion channel biophysiology, cell biology, cystic fibrosis pathogenesis, gene therapy and diagnosis, and her clinical work has concentrated on medicine and cardiology. Dr. Gardner received her bachelor’s degree in biology from the University of Illinois and her M.D. from Harvard Medical School.

David Greenwood


Mr. Greenwood brings to CohBar more than 40 years of financial and operational experience in biotechnology and investment banking. From December 2010 until its recent merger with Gurnet Point Capital in November 2018, he served on the Board of Directors of Corium International, Inc. (formerly NASDAQ: CORI), a leading biopharmaceutical company developing and commercializing transdermal healthcare products. During his tenure as Executive Chairman from June 2012 to December 2016, and Chairman beginning in 2016, Mr. Greenwood most notably led the company through a successful IPO and helped raised substantial capital in the equity and debt markets.

From 1995 through December 2011, Mr. Greenwood served in a number of executive and leadership roles, including Chief Financial Officer, President, Chief Executive Officer and Director at Geron Corporation, a biotechnology company focused on regenerative medicine and cancer. Previously, he served as Chairman of both Geron Bio-Med Limited, and TA Therapeutics, Ltd., while also serving on the Boards of ViaGen, Inc., Clone International, Parnell Pharmaceuticals Holdings Ltd and Pacific Lutheran University. He currently serves on the boards of several private companies in the biopharma and medical device fields. Early in his career, from 1979 to 1995, Mr. Greenwood held various positions at the investment bank J.P. Morgan Chase & Co., where he focused on corporate finance and mergers and acquisitions. Mr. Greenwood received his bachelor's degree from Pacific Lutheran University and his M.B.A. from Harvard Business School.

Misha Petkevich


Mr. Petkevich has more than 30 years of financial and investment experience in biotechnology and investment banking. Since 2015, Mr. Petkevich has been the Chief Investment Officer of V2M Capital, an investment firm funding life science companies. He currently serves on the board of directors of HingeBio, Inc., a biotechnology company developing bispecific and multispecific antibodies.  In 2005, he co-founded BladeRock Capital, LLC, an investment firm specializing in life science companies. Prior to founding BladeRock Capital, Mr. Petkevich founded The Petkevich Group, a biotechnology advisory firm, where he was Chairman and Chief Executive Officer from 1998 to 2005. Between 1989 and 1997, Mr. Petkevich served as Managing Director, as well as Head of Healthcare and Investment Banking at Robertson Stephens & Co.  Mr. Petkevich began his career at Hambrecht & Quist, an investment bank, where he served as a Principal, Head of Healthcare Banking and as a biotechnology analyst covering Genentech, Chiron and others. Mr. Petkevich received his bachelor’s degree from Harvard University and his DPhil from the University of Oxford. 

Jon L. Stern, MBA


Jon L. Stern served in senior strategic roles with our Company from August 2012 until he was named our chief executive officer in October 2013. He was also appointed to our board of directors in May 2014. In March 2016 until May 2020, Mr. Stern assumed the role of chief operating officer. From 2009 to 2013 Mr. Stern was an active investor in information technology, media and real estate projects and companies. From 2006 to 2008, Mr. Stern served as executive vice president of Integrated China Media, a Guangzhou, China-based provider of digital entertainment content. From 2003 to 2008, Mr. Stern was a partner in Pacific Arts Group, a publisher of Chinese Contemporary Fine Art. Mr. Stern founded Digital Sparx in 1999, distributor of digital entertainment content to movie-goers, and served as president and chief executive officer of that company until 2002. In 1986 Mr. Stern founded Cine Coasters, Inc., a developer of sports stadium and movie theatre products, and served as its chief executive officer until its sale to a division of Liberty Media in 1998. Mr. Stern holds an MBA from the Marshall School of Business at the University of Southern California and a B.S. in Business Administration from The University of California, Berkeley.