Our Team

Dr. Jan Roberts: Chief Executive Officer

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Jan Roberts is a co-founder for IRCCH and serves as CEO.  Dr. Roberts is a Licensed Clinical Social Worker who owns and operates one of the largest collaborative care practices in the mid-Atlantic region, Partners in Health and Wellbeing.  Dr. Roberts is a clinician and an entrepreneur with an activist spirit who has extensive experience running both non-profit and for-profit healthcare organizations. 


Dr. Roberts currently teaches and is a grant-funded research recipient  at NYU Silver School of Social Work. In addition to her role at NYU,  Dr. Roberts is also Guest-Editor for a Special Issue on Cannabis and Mental Health for the Clinical Social Work Journal (CSWJ).  


In addition to providing care to patients at her practices in Manhattan and Delaware, Dr. Roberts is one of the founders of the first integrative care center in Delaware,  Integrative Health Delaware- A Center for Health and Research.  


Dr. Roberts' decision to create IRCCH resulted from her dedication to provide her patients with the most current research to improve their mood regulation and to create a sense of well-being. Her current interest is on the clinical application of cannabis in mental health settings especially surrounding the endocannabinoid system and its impact on mood regulation. She also has a passion for focusing on maladaptive coping strategies rather than a substance-based approach to treating addictions. As a result, Dr. Roberts is especially interested in educating fellow mental health clinicians on the most recent research findings to address stigma and lack of knowledge related to cannabis, the endocannabinoid system and mental health outcomes. She keenly believes that research should influence policy not vice-versa.

Dr. Jahan Marcu: Director of Experimental Pharmacology

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Jahan Marcu, Ph.D., is a co-founder for IRCCH. Dr. Marcu is the former Chief Science Officer at Americans for Safe Access (a medical cannabis advocacy non-profit) and former Director of the Patient Focused Certification program, which is a health and safety oversight program that assesses regulatory compliance at cannabis operations. 


He is co-founder and past-chairman of the CANN subdivision of the Chemical Health and Safety Division (DCHAS) of the American Chemical Society. His is also on the Board of Directors of the International Association for Cannabinoids as Medicine.  He has a background in analytical chemistry and molecular pharmacology, he received his Ph.D. for contributions in characterizing the structure and function of the cannabinoid receptors. He is an author of the American Herbal Pharmacopeia's Cannabis Monograph and serves on multiple expert government, trade association committees, scientific organizations and is a court-qualified synthetic cannabinoid and cannabis expert. 


Dr. Marcu has helped create medical cannabis educational training for clinicians and for workers in the medical cannabis industry, and has been invited to speak at many international conferences and universities, including the University of Leiden, Temple University School of Medicine, Princeton Hospital, and Yale University. Dr. Marcu is also a court qualified expert witness on cannabis and synthetic cannabinoids.


Dr. Marcu is a recipient of the Billy Martin research award from the International Cannabinoid Research Society.

Dr. Jennifer Manuel: Director of Translational Research

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Dr. Manuel is a clinical researcher and tenured faculty member at NYU.  Dr. Manuel is a well-respected and published researcher, methodologist, and grant writer who has an interest in cannabis and its impact on health and patient outcomes. 

COMING SOON: Director of Education

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Announcement coming soon!  IRCCH just hired its new Director Education.  As soon as we are able to announce this new dynamic team member, we will!  Our new Director of Education's expertise in clinical pharmacology, patient care and education will  help propel IRCCH's new educational initiatives. More information coming soon.