DFCR Experts

DFCR resources include a number of national experts knowledgeable in regulatory and clinical aspects of cannabis legalization. These experts are available for consultation, lectures, testimonies, and media interviews.

Please contact us at:
Media inquiries: media@dfcr.org
All other inquiries: info@dfcr.org

Bryon Adinoff, MD

Bryon Adinoff, MD is an addiction psychiatrist and academician. He was appointed Clinical Professor at the University of Colorado School of Medicine following his retirement as Distinguished Professor of Alcohol and Drug Abuse Research in the Department of Psychiatry at the University of Texas Southwestern Medical Center and as a psychiatrist for 30 years with the Department of Veterans Affairs. He has published over 175 papers and book chapters on the neurobiology and treatment of addiction and is Editor-in-Chief of The American Journal of Drug and Alcohol Abuse. In his semi-retired status, he is evolving from focusing on the consequences of substance use itself to the consequences of the drug war. As a Founding Member, his commitment to the goals of DFCR arises from his desire to ensure that the harsh, punitive prohibition of cannabis use is replaced by a regulatory system that protects both the individual and society.

Julia Arnsten, MD, MPH

Julia Arnsten, MD, MPH, is Chief of the Division of General Internal Medicine and a Professor of Medicine, Psychiatry & Behavioral Sciences, and Epidemiology & Population Health at Albert Einstein College of Medicine and Montefiore Medical Center in New York. Dr. Arnsten is a general internist with a long-standing interest in behavioral medicine, including adherence with medication-taking, nicotine dependence, and treatment of substance use disorders. She currently leads an NIH-funded research program focused on addiction and chronic medical illness at Einstein/Montefiore. Dr. Arnsten graduated from the New York University School of Medicine in 1990 and completed residency training in Primary Care Internal Medicine at Bellevue Hospital and New York University Medical Center in 1993. She then completed a research fellowship in General Internal Medicine at Harvard Medical School and Massachusetts General Hospital. Dr. Arnsten has been recognized for outstanding teaching, mentoring, and leadership with several local and national awards.

Hugh Blumenfeld, MD, PhD

Hugh Blumenfeld, MD, PhD is an Assistant Professor of Family Medicine and Director of Behavioral Medicine at UConn’s Family Medicine Residency Program. He has worked as a family physician in Hartford, CT since 2010. He maintains a full scope of practice that includes both outpatient primary care and hospitalist care, with privileges in prenatal care and obstetrics. He also serves as Medical Director for a non-profit hospice care company. Dr. Blumenfeld completed his medical training at University of Connecticut and afterward joined the faculty. His areas of academic interest include behavioral medicine, bioethics and evidence-based medicine. Before embarking on a career in medicine, Dr. Blumenfeld was a professor of English, having earned a PhD in Poetics at New York University with prior degrees from University of Chicago and Massachusetts Institute of Technology.

Chinazo Cunningham, MD, MS

Chinazo Cunningham, MD, MS, is a Professor in the Departments of Medicine, Family and Social Medicine, and Psychiatry and Behavioral Sciences at Albert Einstein College of Medicine. Since 1998, Dr. Cunningham has been providing care, developing programs, and conducting research focused on marginalized populations including people who use drugs with or at-risk for HIV infection. Her research has focused on improving access to care, utilization of health care services, and health outcomes. Dr. Cunningham has been the principal investigator on numerous grants funded by the NIH, CDC, HRSA, local and state Departments of Health, and foundations. Dr. Cunningham has served on numerous national advisory committees, including serving as the Chair of NY State Department of Health AIDS Institute’s Substance Abuse Committee; a member of the Opioid Guideline Workgroup of the CDC’s Guideline for Prescribing Opioids for Chronic Pain, 2016; and a member and Chair of the NIH’s Behavioral and Social Consequences of HIV/AIDS Study Section. Dr. Cunningham also served on Governor Cuomo’s Task Force to consider legalizing adult use cannabis in New York and is actively engaged in NIH-funded scientific studies exploring the utility medical cannabis.

Peter Grinspoon, MD

Peter Grinspoon, MD, is a primary care physician at Massachusetts General Hospital and an Instructor at Harvard Medical School. He is the author of the memoir Free Refills: A Doctor Confronts His Addiction. He spent two years as an Associate Director of the Massachusetts Physician Health Service helping physicians with addiction and mental health issues. He graduated with a B.A. in Philosophy with honors from Swarthmore College. He then spent five years as a Campaign Director for the environmental group Greenpeace before entering medical school at Boston University School of Medicine, where he graduated with honors. He completed his residency at Harvard’s Brigham and Woman’s Hospital, in the primary care program.  He has been on national television including NBC, C-SPAN, and Fox and Friends, and his writings have been published in The Nation and The Los Angeles Times. He is a Contributing Editor to Harvard Health Publications.

Rachel Knox, MD

Rachel Knox, MD, is a certified cannabinoid medicine specialist with the American Academy of Cannabinoid Medicine (AACM), building upon a background in family, functional, and integrative medicine. Along with her family, Dr. Knox founded the American Cannabinoid Clinics in 2015 to provide patients with comprehensive and functional care rooted in endocannabinology. As an educator and advocate, Dr. Knox travels the world to educate peer and lay audiences on the science of cannabis and the endocannabinoid system, to share her experiences as a cannabis clinician, to advance the recognition of cannabinoid medicine and endocannabinology as relevant and essential emerging fields of medicine, and to ensure that health equity remains at the center of cannabis policy reform. As a policy and regulatory consultant, Dr. Knox serves her home state of Oregon as chairperson for the Oregon Cannabis Commission, as a team member of the Cannabis Policy Oversight Team for Portland, Oregon, and as a member of the Oregon Cannabis Clinicians Group which she co-founded; she has also helped develop model state and municipal cannabis legislation in her role as medical chair for the Minority Cannabis Business Association.

Mikhail Kogan, MD, ABOIM

Mikhail Kogan, MD, ABOIM is a leader in the newly established field of Integrative Geriatrics. He is board-certified in Internal Medicine, Geriatrics, Palliative Care, and Integrative Medicine, is the editor of “Integrative Geriatric Medicine” Oxford University Press textbook, and is a frequent speaker on the topics of Integrative Medicine and Geriatrics, healthy aging, neurodegenerative diseases, and use of medical cannabis. Dr. Kogan currently serves as medical director of the GW Center for Integrative Medicine, is the founder and director of the George Washington University Integrative Geriatrics Fellowship Track and the director of the Integrative Medicine Track program at the George Washington University School of Medicine. He also serves as a part-time faculty member of the George Washington Institute for Spirituality and Health and the GW Center for Aging, Health and Humanities. Dr. Kogan has been early adopter of the Washington, D.C. Medical Cannabis program and has been instrumental in the D.C. Rx Medical Cannabis education program. He is also the chair of the board of AIM Health Institute, a Washington, D.C based non-profit organization providing integrative medicine services to low-income and terminally ill patients regardless of their ability to pay.

Donald O. Lyman, MD, DTPH

Donald O. Lyman, MD, DTPH, received his BA in chemistry from the University of Pennsylvania (1964), his MD from Yale University (1968) and DTPH from the London School of Hygiene and Tropical Medicine (1974).  He did his residency training at the Universities of Miami (Florida) and the University of California, San Diego. Dr. Lyman served in the U.S. Public Health Service as an EIS (Epidemic Intelligence Service) officer (1970-74), and as senior disease control officer for New York State (1974-78) and California (1978-2012).  He was President of the National Association of Chronic Disease Directors (NACDD; 2010), was President of the American Cancer Society, California Division (2003-2004) and was secretary of the American Heart Association, Western States Affiliate (2008-2009). In his work with the California Medical Association (CMA), he authored its landmark white paper “Cannabis and the Regulatory Void” (2011) which led to the statewide ballot initiative “Adult Use of Marijuana Act” (Proposition 64, 2016) of which he was one-of-two chief legal “proponents” and which passed with a 57% vote. He is former Chair and now member of CMA’s Council on Science and Public Health which oversees progress in implementing this new statute. In this capacity, Dr. Lyman authored the CMA white paper Cannabis Regulation and Physicians.

David L. Nathan, MD, DFAPA

David L. Nathan, MD, DFAPA (DFCR Founder, Past President) is a psychiatrist, writer, and educator in Princeton NJ. He is a Distinguished Fellow of the American Psychiatric Association and Clinical Associate Professor of Psychiatry at Rutgers Robert Wood Johnson Medical School. While maintaining a full-time private practice, he serves as Director of Continuing Medical Education for the Princeton HealthCare System (PHCS) and Director of Professional Education at Princeton House Behavioral Health (PHBH). While serving on the steering committee of New Jersey United For Marijuana Reform (NJUMR.org), Dr. Nathan was surprised by the absence of any national organization to act as the voice of physicians who wish to guide our nation along a well-regulated path to cannabis legalization. This need was the inspiration for Doctors for Cannabis Regulation.

Leslie Mendoza Temple, MD, ABOIM

Leslie Mendoza Temple, MD, ABOIM is the Medical Director of the NorthShore Integrative Medicine Program, a Clinical Associate Professor of Family Medicine at the University of Chicago Pritzker School of Medicine, and a board-certified Family Practice Physician. She received her B.A. in Economics at the University of California, Berkeley. Following medical school at the University of Santo Tomas in Manila, Philippines, she completed Family Medicine residency training at Northwestern University. She then completed a two-year fellowship in Integrative Medicine at the University of Arizona under the supervision of Dr. Andrew Weil, concurrently finishing a two-year fellowship in Family Medicine Faculty Development at Northwestern University Medical School. Dr. Temple combines the tools of modern Western medicine with safe, evidence-based complementary and alternative medicine (including cannabis) to achieve optimal health and symptom reduction and she served as chair of the Medical Cannabis Advisory Board for the Illinois Department of Public Health. Although personally opposed to the use of recreational substances, Dr. Temple believes the thoughtful regulation of cannabis is far more beneficial to public health and social justice than its prohibition.

Janice Marie Vaughn-Knox, MD

Janice Marie Vaughn-Knox, MD has more than 35 years in the practice of medicine. She is a graduate of the University of California at Berkeley and the University of Washington School of Medicine. She is a wife, mother, best selling author, and Board Certified Anesthesiologist. Dr. Janice Knox is a certified American Academy of Cannabinoid Medicine Specialist and Oregon representative for Doctors for Cannabis regulation. Dr. Knox is a co-founder of the American Cannabinoid Clinics along with her physician husband, Dr. David and 2 daughters Dr. Rachel Knox and Dr. Jessica Knox. Over her years in the operating room, Dr. Janice witnessed the increased use of life-threatening pain medications and unnecessary medical interventions that yield low success rates while patients continued to get sicker. This awareness motivated Dr. Janice to become an expert in cannabis and the fields Cannabis Therapeutics and Endocannabinology. Dr. Janice passionately believes in cannabis as a medicine. Just as passionately she believes that education about cannabis along with safe, quality and tested products will help to remove the negative stigma that continues to prevent cannabis from becoming mainstream medicine. This will change when regulations are in place that will set standards for growing, testing, producing and packaging cannabis as a medicine.

Genester Wilson-King, MD, FACOG

Genester Wilson-King, MD, FACOG (Board Treasurer) is a Board-Certified Obstetrician and gynecologist with many years of clinical experience providing compassionate and research-driven care to patients. After years of providing full-service OB/GYN care, she founded Victory Rejuvenation Center (VRC), a private holistic and integrative wellness medicine practice that provides life-transforming management modalities and customized medicines to patients. As the Medical Director and Owner of VRC, she assesses where her patients are on the health and wellness spectrum, and, with the patient’s input, creates an individualized program which enables them to get to where they want to be on the health and wellness spectrum. She is Vice President of the Society of Cannabis Clinicians, a non-profit that works to empower and educate healthcare providers on the use of cannabis medicine. A co-author of three research articles on the assessment of the impact of cannabis on female and male sexual function with the Female Sexual Function Index for females and the International Index of Erectile Function (IIEF) for males. Dr. Wilson-King is an expert on cannabis use in women’s health conditions, an experienced cannabis clinician for adults, and a master in Hormone Therapy.

Erin Zerbo, MD

Erin Zerbo, MD is an Assistant Professor in the Department of Psychiatry at Rutgers New Jersey Medical School and the Associate Director of Medical Student Education in Psychiatry. In addition to directing the CARE Center, a large buprenorphine practice dedicated to underserved Newark residents, she is also the director of the state-designated Northern New Jersey Medication-Assisted Treatment Center of Excellence (a statewide training and education initiative). She is a co-editor of the “Pocket Guide to Addiction Assessment and Treatment” (APA, 2016), and the lead editor of “Becoming Mindful: Integrating Mindfulness into Your Psychiatric Practice” (APA, 2017). Dr. Zerbo serves as the Chair of the Council on Education at the New Jersey Psychiatric Association and she has published and lectured extensively in the field of addiction. Her primary interest is the treatment of substance use disorders in populations with significant deficits in their social determinants of health.

Scientific Advisors

DFCR Scientific Advisors provide scientific input and advice to DFCR but do not participate in or necessarily endorse official DFCR policy positions.

David A. Gorelick, M.D., Ph.D., DLFAPA, FASAM

David A. Gorelick, M.D., Ph.D., DLFAPA, FASAM is Professor of Psychiatry (part-time) at the University of Maryland School of Medicine, having retired in October 2013 from the Intramural Research Program of the National Institute on Drug Abuse (NIDA), US National Institutes of Health (NIH) in Baltimore, Maryland. Dr. Gorelick joined NIDA in 1989 as a tenured physician-scientist. Dr. Gorelick has authored or co-authored more than more than 200 peer-reviewed scientific articles and 50 book chapters and is editor-in-chief of the Journal of Cannabis Research. His recent work focuses on cannabis (including its potential therapeutic uses), cocaine, and individuals with co-morbid psychiatric disorders.

Godfrey Pearlson, MD, MBBS

Godfrey Pearlson, MD, MBBS, is a Professor of Psychiatry and Neuroscience at Yale University and is director of the Olin Neuropsychiatry Research Center at the Institute of Living in Connecticut. He completed his medical degree at Newcastle University in the UK and obtained a graduate Philosophy Degree at Columbia University in New York City. He trained in psychiatry and was subsequently a psychiatry professor at Johns Hopkins University, where he founded the Division of Psychiatric Neuroimaging. Dr. Pearlson utilizes neuroimaging to illuminate substance use and psychotic disorders and has published over 700 peer-reviewed scientific articles. His cannabis research focuses on neuroimaging and the acute effects of cannabinoids on driving abilities and is a member of the Board of Physicians that advises Connecticut on medical cannabis. His recent book, Weed Science: Cannabis Controversies and Challenges, explores the science of cannabis, providing a guide to public policy.