OasisLMS

Miriam Alexander, MD, MPH, is nationally recognized in preventive medicine and as an occupational medicine physician with 25 years of occupational medicine director experience, and 16 years as a residency director. She has been a faculty member at Johns Hopkins University and is a past president of the American College of Preventive Medicine.

Dr. Alexander is currently the medical director for employee health at LifeBridge Health. She previously served as the part-part-time corporate medical director for McCormick and Company where she developed and oversaw clinical services, health and wellness activities and provided direct patient care. She was responsible for the development of all treatment protocols and surveillance systems and was the medical oversight for the benefit plans.

Dr. Alexander was a faculty member at the Johns Hopkins Bloomberg School of Public Health for 20 years where she served as the director for the preventive medicine residency, the Mid-Atlantic Public Health Training; taught multiple courses; and served as the director of the Masters in Public Health (MPH) program. Through these years, she assumed leadership in multiple national preventive medicine organizations, most recently as the President of ACPM. Dr. Alexander has been awarded a number of national awards of excellence in leadership in the field of preventive medicine. Dr. Alexander is the lead faculty for ACPM's National Education Curriculum for Public Health Emergency Preparedness and Response for Preventive Medicine Residents.

Dr. Sharon McDonnell is a public health and preventive medicine specialist with expertise in epidemiology and infectious disease outbreaks and surveillance. During the COVID pandemic she developed and directed a statewide system to implement community-based health equity programs with the Maine Health Commissioners office. She is currently a faculty member with The Maine Health Maine Medical Center Leadership in Preventive Medicine fellowship program in the Division of Community Health and Preventive Medicine. In 2014-2016 she worked with CDC and CSTE as part of the international Ebola response in Liberia.

She graduated from the USCD Medical school and was an Epidemic Intelligence Service Officer with the US CDC and finished her Preventive Medicine Residency there. As Chief of the International health Branch with the CDC she directed international health training, research, and surveillance including the Integrated Disease Surveillance and Response (IDSR) program.

Prior to CDC Dr. McDonnell worked with the World Health Organization as a health scientist specializing in training program and materials development. Dr. McDonnell worked with WHO and nonprofit agencies in community-based care in Afghanistan and Pakistan and then with the Global Program for AIDS in Africa and Geneva Switzerland.

Gib Parrish completed medical school at UCLA in 1974 and a residency in laboratory medicine and pathology at the University of Washington in 1982. He then worked for the U.S. Centers for Disease Control and Prevention (CDC) from 1982 to 2002, where he devoted his time to environmental health problems, public health surveillance, improving mortality data, assisting state health departments with public health assessment activities, and improving national and state health information systems.
Since retiring from CDC, Dr. Parrish has worked on various population-health information-related projects, including a distance-learning course on population health information; book chapters on public health surveillance for the CDC and Oxford Press; and a book for Oxford Press on health statistics, which he co-edited with Daniel J. Friedman and Edward Hunter. He has also consulted on projects for CDC, U.S. DHHS, RWJF, NCVHS, and CSTE, dealing with community health assessment and associated indicators, community health improvement, population health information systems, the dissemination of data via the Internet, and the potential use of data from electronic health records for electronic vital registration systems.
From 2013–2020, Dr. Parrish taught introductory epidemiology to MPH students at UNE and UNH. During 2016–2023, he consulted on CDC & CSTE’s Reportable Condition Knowledge Management System, which identifies and evaluates potential cases of reportable conditions using data from electronic health records. From 2018–2025, he provided technical assistance to CSTE in their review of standardized surveillance position statements.
Dr. Parrish currently lives in Yarmouth, Maine.