MMCC Commissioner Bio's

Brian P. Lopez (Chairman)

Mr. Lopez is a partner and executive vice president for a real estate investment and development company, where he oversees the company’s multi-family and affordable housing portfolio. Prior to joining Osprey Property Company, he was a loan officer for AGM Financial Services, Inc., and a project manager for Safeway, Inc. Mr. Lopez received his Master’s in Real Estate Development from Johns Hopkins University. He fills the position for a member of the public with fiduciary experience who supports medical cannabis positions on the Commission.


Ehsan Abdeshahian, M.D.

Dr. Abdeshahian serves as a staff physician with specialties in pain and sports medicine. He earned his medical degree from St. George’s University in Grenada, Spain and completed his residency training at the State University of New York—Downstate University Hospital. Dr. Abdeshahian fills one of the three licensed physician positions on the Commission.


Jinlene Chan, M.D., M.P.H.

Dr. Chan is the assistant secretary of health with the Maryland Department of Health. She developed and implemented initiatives to improve the behavioral health care system in Anne Arundel County by working closely with mental health, social services, and criminal justice partners as well as working on infant health initiatives, chronic disease prevention programs, and public health emergency preparedness planning. She completed her medical training at the Medical University of South Carolina in Charleston, S.C., and residencies in pediatrics and general preventive medicine at the Johns Hopkins University in Baltimore, Md. Dr. Chan also holds a Master of Public Health degree from Johns Hopkins University, Bloomberg School of Public Health. She serves the Commission as the Maryland Department of Health’s appointee.


Nancy Rosen-Cohen, Ph.D.

Ms. Rosen-Cohen is an executive management professional with substantial experience in health care reform and corporate development. She was appointed to the Governor’s Medical Marijuana Model Program Workgroup in 2011. This group was responsible for developing a model program for facilitating patient access to marijuana for medical purposes. Ms. Rosen-Cohen earned a Doctor of Philosophy in Special Education from Indiana University and a Bachelor of Science in Special Education from Butler University. Ms. Rosen-Cohen serves the Commission as the President/Speaker appointee.


Phillip Cogan, R.Ph.

Mr. Cogan is a past president of the Maryland Pharmacists Association and is the pharmacy representative on the Commission. He has an extensive career of service at the national, state and county levels. He was Chief of Clinical Pharmacy Services for the Maryland Medicaid Program and a member of the Governor’s Medical Marijuana Model Program Work Group as well as assistant director for the Governor’s Executive Advisory Board. His federal career began as a U.S. Public Health Service officer assigned to the U.S. FDA. Subsequently, he served as: a DEA special agent; head of the DEA Regulatory Investigations Program; the director of Investigative Systems Division at the Department of Health and Human Services Office of Inspector General and as deputy director of the High Intensity Drug Trafficking Area Program in the White House Drug Policy Office. Mr. Cogan is a volunteer member of the Maryland Board of Pharmacy Emergency Preparedness Taskforce, Maryland and Howard County Medical Reserve Corps and treasurer of the Howard County Community Emergency Resiliency Network.

​Konrad Dawson, M.D.

Dr. Dawson has a private medical practice in the metropolitan Washington, DC area that provides plastic and reconstructive surgery. He is board certified by the American Board of Surgery and the American Board of Plastic Surgery. He earned his medical degree from Meharry Medical College in Nashville, Tenn. The college is one of the nation’s oldest and largest historically black academic health science centers dedicated to educating physicians, dentists, researchers, and health policy experts. Dr. Dawson was appointed to the Commission to represent the interest of licensed physicians from Maryland. 

Megan Dingus, M.S.N.

Ms. Dingus is a nurse practitioner specializing in hospice and palliative medicine. As the nurse practitioner, she manages the day-to-day activities of her palliative care team across multiple business units. She regularly advises patients and families on prevention, promotion, and health maintenance issues as they relate to symptom management and end-of-life care. She is a member of the Nurse Practitioner Association of Maryland and the American Association of Nurse Practitioners. Ms. Dingus was appointed to the Commission as the hospice care practitioner who was nominated by a state-wide trade association.

Elizabeth Q. Hines, M.D.

Dr. Hines is a clinical assistant professor of pediatrics that specializes in pediatric emergency medicine. She earned her medical degree from Emory University in Atlanta, Georgia and completed her residency training at Johns Hopkins University, School of Medicine. She completed fellowships at Johns Hopkins University, School of Medicine in pediatric emergency medicine and New York University, School of Medicine in medical toxicology. Dr. Hines is board certified by the American Board of Pediatrics in pediatric emergency medicine and pediatrics. Dr. Hines was appointed to the Commission to represent the interest of health/addiction specialist from Maryland.


Charles P. LoDico, M.S., Ph.D.

Mr. LoDico is a senior chemist/toxicologist for the Department of Health and Human Services. He received his Master’s in Pharmacology/Toxicology from Long Island University, School of Pharmacy. Mr. LoDico, who has been widely published in peer-reviewed journals and was nominated by the University of Maryland Medical Center. His appointment fills a position for a scientist with experience in the science of cannabis and nominated by a state research institution on the Commission.


C. Obi Onyewu, M.D.

Dr. Onyewu is a fellowship-trained and double board-certified pain medicine specialist. After receiving his medical degree from Temple University, School of Medicine in Philadelphia, Dr. Onyewu completed his residency in physical medicine and rehabilitation at Georgetown University Hospital in Washington, D.C. He followed that with a pain medicine fellowship at the Mid-Atlantic Pain Institute in Delaware. Dr. Onyewu was appointed to the Commission to represent the interest of licensed physicians from Maryland.


Tiffany D. Randolph, J.D.

Ms. Randolph is an attorney that concentrates on the defense of medical malpractice claims. She defends physicians, hospitals and health care institutions at the trial level in cases alleging medical malpractice negligence. Ms. Randolph’s litigation experience demonstrates fact and expert discovery, motions practice, defending and deposing expert witnesses, as well as bench and jury trials in the Maryland district and circuit courts. Ms. Randolph earned her law degree from the University of Maryland, School of Law and her undergraduate degree from the University of Virginia. She fills the position as the Speaker’s appointee on the Commission.


Saundra O. Washington

Ms. Washington is co-founder and executive director of an organization that provides social services to Maryland residents. As the executive director, she oversees the organization’s programs which include human services, health services, transportation, and economic development. Her knowledge of organizational development allowed her to develop the Regional Alzheimer's office in southern Maryland more than 24 years ago. Ms. Washington has received a number of gubernatorial appointments including the Judicial Nominating Committee. She has been recognized for her achievements that include: Charles County Sheriff's Award; Charles County Commission for Women Trailblazer Award; the Salome Howard Award and an award for serving on the Charles County Commissioners' Nonprofits Grants Advisory Panel. Ms. Washington fills the position as health/addiction specialist from Maryland.


Scott Welsh

Mr. Welch is the owner of an agricultural facility that maintains 160,000 square feet of greenhouse space and 100,000 square feet of outdoor growing areas. He manages the day-to-day operations and works closely with local growers and farmers to produce cuttings, seedlings, and finished products for resale throughout the state. Welsh fills the position of an individual with experience in horticulture/agriculture and recommended by the Department of Agriculture on the Commission.​