William T. Hark, M.D. received a BA in biology at the University of Virginia. He then attended medical school and completed a residency in internal medicine at the Medical College of Virginia (Virginia Commonwealth University) in Richmond. Dr. Hark returned to the University of Virginia for his allergy and clinical immunology fellowship. Dr. Hark has done research with NASA as a part of their Space Life Sciences Training Program (SLSTP) in addition to research involving allergies and respiratory physiology at the University of Virginia.

Dr. Hark's areas of interest include food allergy, dust mite and animal sensitivity, asthma, hives, hay fever and insect sting reactions. He has been in this clinical practice for over 12 years and enjoys treating patients of all ages. Dr Hark often sees entire families for treatment of their allergic diseases, and he emphasizes the importance of improvement of quality of life with a minimal amount of medications. He has trained residents and is an Assistant Clinical Professor in the Department of Internal Medicine at VCU Medical Center. Dr. Hark has been active in the national allergy societies and is on the Adverse Reactions to Food Committee and the Immunotherapy, Allergen Standardization and Allergy Diagnostics Committee of the American Academy of Allergy, Asthma & Immunology. Through these memberships, Dr. Hark has helped shape national allergy guidelines and has gained insight into the latest information and recommendations by the allergy societies. He is a fellow of the American College and Academies of Allergy, Asthma and Immunology. Dr. Hark is a participant in the American Board of Allergy and Immunology Maintenance of Certification Program (MOC) to obtain Continuing Medical Education (CME) and keep up to date with the latest advances in allergy treatment and understanding. Dr Hark frequently gives talks to local medical groups, media and community organizations about allergy. With these presentations, Dr. Hark hopes to increase awareness of the seriousness and significance of allergic disease. Dr. Hark has also lobbied the Virginia General Assembly on behalf of his patients with respiratory diseases. Recently, Dr. Hark has helped raise money for food allergy research through organizing a team and participating in the Food Allergy & Anaphylaxis Network (FAAN) Walk for Food Allergy.

In addition to local and national medical organizations, Dr. Hark is active in community organizations including Stop Child Abuse Now (SCAN) and Virginia Museum of Fine Arts and is on the board of Virginia Opera. Dr. Hark enjoys spending time with his wife, Ginny, who sings opera and teaches voice lessons. Outside of work, Dr. Hark is an avid photographer and enjoys travel, hiking and going to the gym.