Meet Our Leadership and Board of Health

SMCHD Leadership

Meenakshi G. Brewster, MD, MPH

St. Mary’s County Health Officer

M.BrewsterAppointed by the State of Maryland Secretary of Health upon recommendation of the St. Mary’s County Commissioners, the St. Mary’s County Health Officer directs the St. Mary’s County Health Department and serves as the state designated public health leader for the county. The Health Officer oversees the department, provides medical guidance in public health decision-making, and represents the county and health department on a variety of local, state, and national councils and committees addressing health.

Dr. Brewster began in her role as the St. Mary’s County Health Officer in December 2012. As Health Officer for the St. Mary’s County Health Department, Dr. Brewster directs activities of the local health department and works with community partners to address population level health issues in St. Mary’s County, Maryland. Prior to her current role, she served as the Medical Director for the Health and Human Services Commission at the Indiana State Department of Health and as the Chronic Disease Director for the state, overseeing a variety of efforts to address statewide public health concerns. Her previous work experience also includes appointment as Assistant Professor of Clinical Family Medicine at the Indiana University School of Medicine, where she taught medical students, primary care residents, and sports medicine fellows while providing clinical care to patients of all ages and backgrounds.

She is a public health trained physician, and board certified in the clinical specialties of Family Medicine and Sports Medicine. In addition to outpatient and inpatient clinical primary care, she has served as a team physician for different levels of athletics, and provided sports medicine coverage for a variety of athletic events. Her research, presentation, and publication activities cover topics relevant to public health, primary care, and sports medicine. She has a strong interest in wellness, health promotion, and evidence-based public health action.

Dr. Brewster earned a Bachelor of Science in biology, Master of Public Health, and Doctor of Medicine from the University of Miami. She grew up in central Pennsylvania, and lived in Florida and Indiana prior to moving with her family to St. Mary’s County, Maryland.

Tracy Kubinec, MBA, MPH

Deputy Health Officer Director of Administration and Chief of Staff

T. KubinecTracy Kubinec, MBA, MPH serves as Deputy Health Officer for the St. Mary’s County Health Department. She is also Chief of Staff and Director of Administration for the department. Her responsibilities include overseeing all health department divisions.

Kubinec is a graduate of Hofstra University in Hempstead, New York. There she earned a Bachelor’s in Business Administration, majoring in accounting. She spent ten years in the private sector specializing in all phases of accounting for Chase Traveler’s Cheques Service Corporation, Wells Fargo Alarm Services, the Art Institute of Philadelphia, and ARA Services. She received her MBA in May 1991 from Rutgers University in Camden, N.J. and joined the St. Mary’s County Health Department shortly thereafter as the health department’s fiscal services officer. Kubinec left the health department in 2003 for a new challenge working as administrator for the St. Mary’s County Metropolitan Commission in Hollywood, MD. In 2005, she returned to the health department as Deputy Health Officer. She continued with her education and completed a Master’s Degree in Public Health in September 2010. She and her husband reside in St. Mary’s County.

Libby Blair, RN, MS

Director of Health Promotion and Community Services

L.BlairLibby Blair RN, MS began her service with the St. Mary’s County Health Department in January 1999. As the Director of the Division of Health Promotion and Community Services, Blair has responsibility for health services staff, delivery of public health services to the community, program planning, and collaborating with partners to coordinate health related services in St. Mary’s County. Prior to her current role, she functioned as the Director of Nursing Services at the St. Mary’s Nursing Center and the Charles County Nursing and Rehabilitation Center. While there, she prepared the Nursing Service components for Joint Commission Accreditation in Long Term Care. Her previous work experience also includes the role of Vice President for Nursing Services at the National Rehabilitation Hospital where she directed and managed clinical operations and program development involving a staff of 300 including managers, nursing professionals, and support staff. She participated in the strategic planning process, business evaluations and established policies to meet Committee on Accreditation of Rehabilitation Facilities (CARF) standards for accreditation. She began her Nursing career at the Maryland Institute for Emergency Medicine in Baltimore, Maryland and provided services as the Clinical Supervisor on the Traumatic Brain Injury Unit.

Blair is a past member of the American Organization of Nurse Executives and received certifications in both Advanced Trauma Life Support and Rehabilitation Nursing. She is a graduate of the University of Maryland School of Nursing where she received both her Nursing Degree and her Master of Science Degree in Nursing Administration.

Daryl Calvano, RS, BS

Director of Environmental Health

D.CalvanoDaryl Calvano, RS, BS joined the St. Mary’s County Health Department in February 2003. As Director of the Environmental Health Division, Calvano is responsible for environmental health issues associated with land development, food service facility inspection/licensing, and a myriad of community health program areas. Before joining St. Mary’s County Health Department, he served as the Assistant Director of Environmental Health with the Charles County Health Department in Maryland.

Calvano is a Maryland Registered Environmental Health Specialist. He is an active member of the Maryland Conference of Local Environmental Health Directors where he has held several officer positions including president in 2012. Calvano received his Bachelor of Science in Biology from St. Mary’s College of Maryland. While attending St. Mary’s College, he met his wife and they now reside in Mechanicsville and have two children.

Terry Gray Prochnow, RN, MSN, MBA

Director of Public Health Preparedness and Response

Terry ProchnowTerry Prochnow, RN, MSN, MBA began her service with the St. Mary’s County Health Department in October 2013. As the Director of the Division of Public Health Preparedness and Response, her responsibilities include infectious disease prevention and control, planning for and responding to emerging community health issues and emergencies, patient care clinical services for residents, coordinating key school health responsibilities, and employee health.

A native to St. Mary’s County, Prochnow obtained her Licensed Practical Nurse certificate in 1993, and an Associate’s Degree in Nursing from the College of Southern Maryland in 1995. In 2005, she received a Bachelor’s Degree in Nursing from University of Phoenix. She received a Master’s Degree in Nursing and a Master’s Degree in Business Administration in Health Care Management from University of Phoenix in 2009. Prior to her role at the health department, Prochnow functioned as Manager for Case Management for UAM Healthcare and University of Maryland Charles Regional Medical Center. She obtained work experience to include acute care, long-term care, outpatient care, billing, finance, quality/risk management, and corporate compliance. Additionally, Prochnow has worked for Health Net Federal Services, Medstar St. Mary’s Hospital, Solomon’s Nursing and Rehabilitation Center, Charlotte Hall Veteran’s Home, and St. Mary’s Nursing and Rehabilitation Center. She and her husband reside in St. Mary’s County Maryland.

St. Mary’s County Board of Health

The Board of Health meets regularly to discuss current public health issues in the county and to support the health department.

The St. Mary’s County Board of Health is comprised of the SMCHD Health Officer and the current St. Mary’s County Commissioners.

To view the current elected county commissioners serving on the St. Mary’s County Board of Health, visit