Our Team

Our team of MDs, PhDs and MBAs has deep knowledge of biologics, companion diagnostics, surgical medical devices, bioimaging, health IT and mental health across functional domains in industry, academia, government and finance.

Our goal is to direct our expertises to help achieve the best results for  your advisory needs, no matter how small or broad in scope.

Elizabeth Cho-Fertikh, PhD


Dr. Cho-Fertikh has over 25 years cross-functional biotech expertise spanning drug development, regulatory and business affairs.  Her own scientific research includes dozens of publications in some of the highest impact scientific journals, including Nature, Nature Cell Biology & PNAS.  Her industry experience has revolved around regulatory submissions of INDs, BLAs, and a variety of clinical trial-related DSURs, ICFs & protocols.  She has a decade of angel investing and grants administration experience with therapeutic technology programs for the NIH & DoD.

At ECF Biosolutions, Dr. Cho-Fertikh has utilized her collective experience to assist life science startups, angel investors and biotech clients which have included Boehringer Ingelheim, Amgen, W.L. Gore, Becton-Dickinson, Macrogenics, RegenXBio, dozens of life science startups and high net worth investors.

She recently founded two new related businesses: Venture Corner, a nonprofit dedicated to providing introductory & continuing education classes to startups & investors; and launched a healthcare angel investor group, MEDA Angels, with physician-investor colleagues.  She is an Executive Ed Faculty member at Johns Hopkins Carey Business School, a Mentor to startups at Halcyon House & Johns Hopkins’ Fastforward incubators, and an Angel Investor member of Keiretsu Forum-Mid Atlantic Chapter and Private Access Network. She received her BA from Johns Hopkins, her MS from Georgetown University, her PhD from Thomas Jefferson University, and completed her postdoctoral training at NIH & Harvard Medical School.

John Brzezenski, MBA


Mr. Brzezenski is a senior business professional with 25+ years of broad based experience spanning operating and executive management, advisory and private equity roles, having helped numerous companies develop and execute successful growth strategies. He has developed perspectives from “all sides of the table” having been a Partner with a Strategy/M&A advisory firm, senior operating executive, and member of the investment committee for a venture capital firm. His experience has spanned all company lifecycle stages across a variety of industry sectors including many areas of high-technology (enterprise software, communications equipment and services, semiconductor applications), medical and health-related products and services, chemicals and other process industries.  In addition to ECF Biosolutions, he currently provides advisory services to several Boston-based boutique groups and is a Partner with J. Locke & Co, a merchant bank. Mr. Brzezenski is an active angel investor, having been a member since 2002 and a former Board Director of the New England-based Launchpad Ventures. He obtained his AB with honors in Economics from Harvard University, and his MBA from the Kellogg School at Northwestern University.

Eric G. Sheu, MD, PhD


Dr. Sheu is a physician-scientist. He is a Board-certified surgeon with expertise in gastrointestinal surgery. He is an Associate Surgeon at Brigham & Women’s Hospital in Boston, MA, and an Instructor of Surgery at Harvard Medical School. Dr. Sheu also runs a research laboratory that focuses on defining changes in intestinal immunity in obesity, diabetes, and after bariatric surgery. He leads a translational study longitudinally profiling changes in the immune system after bariatric surgery. His post-doctoral and doctoral training focused on the role of auto-reactive antibodies in ischemia-reperfusion injury and on characterizing mechanisms of T cell induction by DNA and viral vaccines. He obtained his BS in Biochemistry from Harvard University, his PhD in immunology from Oxford University, UK as a Marshall Scholar, and his MD from Harvard Medical School. He completed his residency training in general surgery at Brigham & Women’s Hospital and his fellowship training in advanced gastrointestinal and minimally invasive surgery at the Massachusetts General Hospital.

Nancy L. Cho, MD


Dr. Cho is a physician-scientist. She is a Board-certified general surgeon with clinical interests in melanoma surgery, adrenal surgery, thyroid surgery, lobectomy, lymph node excision, thyroid cancer, among others related to endocrine anomalies. She is currently an Associate Surgeon at the Brigham & Women’s Hospital in Boston, MA, and an Assistant Professor of Surgery at Harvard Medical School. Dr. Cho also leads a funded research program focused on the links between stem cell pathobiology and desmoid tumorigenesis and mechanisms underlying melanoma. She obtained her BS in Biochemistry from Harvard University and her MD from Columbia University College of Physicians and Surgeons. Dr. Cho completed her residency in general surgery and a fellowship in endocrine surgery at Brigham & Women’s Hospital.

Djamil Fertikh, MD


Dr. Fertikh, a board certified neuroradiologist, is a Partner with the Association of Alexandria Radiologists, PC, in Northern Virginia. Dr. Fertikh specializes in the diagnostic imaging of a range of neurological conditions associated with the brain, spinal cord, head and neck as well as peripheral nerve disorders. He is a member of the INOVA Alexandria Hospital’s Stroke Committee that was instrumental in the hospital receiving the 2014 “Gold Plus Award” from The American Heart Association and the American Stroke Association, in recognition of its outstanding specialized stroke treatment services. Dr. Fertikh has authored numerous case-report studies and research articles in leading peer-reviewed radiology & neuroradiology journals and on-line sites, including Medscape. He received his MD degree in 1993 from INESSM University of Algiers, Algeria, completed his medical residency in 2003 in Diagnostic Radiology at Mercy Catholic Medical Center, Darby, PA, and his Fellowship in Neuroradiology and Neuroinventional Radiology in 2005 from the Hospital of the University of Pennsylvania, Philadelphia, PA, where he served as Chief Fellow.

Mark Purcell, PsyD, MEd


Dr. Purcell is a licensed clinical psychologist who has worked in various aspects of the mental health field for over 20 years, with a primary focus on the needs of youth and families. He provides therapy to youth and adults in his private practice in San Carlos, CA. His professional experience also extends to the development of specialized treatment programs and teaching professionals and graduate students. Dr. Purcell has particular interests in Mindfulness-based therapeutic approaches, such as DBT and MBSR. He also has research interests in the effects of trauma, and effective treatment modalities, and has served as a DoD reviewer for PTSD related grants. He recently co-authored, Mindfulness for Teen Anger, which integrates these interests into a self-help workbook for adolescents. Dr. Purcell received his BS in Psychology from Fordham University, his MEd from Harvard Graduate School of Education, and his PsyD from the California Institute of Integral Studies.

Dr. Purcell has also served for over a decade as a Scientific Review Officer for the Congressionally Directed Medical Research Program administered by the Dept of Defense, focused on PTSD and Traumatic Brain Injury programs.