County Executive

Fairfax County, Virginia

CONTACT INFORMATION: Our office is open 8 a.m. to 4:30 p.m. M-F

TTY 711

12000 Government Center Parkway
Fairfax, VA 22035

Bryan Hill,
County Executive

Biography - Deputy County Executive Tisha Deeghan

Tisha DeeganAppointed Fairfax County Deputy County Executive in December 2017, Ms. Deeghan's leadership portfolio includes ten Health and Human Services agencies. In addition to providing strategic direction and guidance to the agencies, she chairs or is the county's liaison for many Boards, Authorities, and Commissions appointed by the Board of Supervisors to include the Human Services Council, Successful Children and Youth Policy Team, and Community Policy and Management Team.

Ms. Deeghan received her Bachelor of Science in Psychology and Master of Social Work from Michigan State University in East Lansing, Michigan.  She received her Master of Health Services Administration/Public Health from the Department of Health Management & Policy, University of Michigan School of Public Health. Ms. Deeghan has worked in the field of mental health and substance use disorder treatment and prevention for 36 years with more than 30 years in leadership roles, including Executive Director of the Fairfax-Falls Church Community Services Board.


News Release: Deeghan Appointed Deputy County Executive (Dec.  5, 2017)