Michael F. Callahan

Michael F. Callahan practices elder law, estate planning, and family law in Maryland, Virginia and the District of Columbia.

Mr. Callahan is a partner at Thyden Gross and Callahan, LLP, a Chevy Chase, Maryland law firm.  He is  in charge of the firm’s elder law and estate planning practice. He has practiced law for over 30 years.

He has been named among the top lawyers by Washingtonian Magazine and Maryland and D.C. Super Lawyers and is rated 10.0, Superb, by Avvo.com.  Mr. Callahan is a member of both the Maryland and Virginia panels for appointment to represent allegedly disabled adults in guardianship proceedings.

He lives with his wife, their children from time to time, and their cat in Arlington, Virginia.


File for Divorce in Maryland, Virginia and the District of Columbia

Money and Divorce (The First 90 Days and Thereafter)


Thyden Gross and Callahan, LLP
Partner, 1992 – present

Law Offices of Michael F. Callahan, Washington, DC
Solo attorney, 1987 – 1992

Internal Revenue Service, Office of District Counsel, New York, NY
Legal intern, Summer, 1986

Internal Revenue Service, Office of Chief Counsel, Washington DC
Legal intern, Summer, 1985

Internal Revenue Service
Management Analyst, Office of the Assistant Commissioner for Compliance
1983 – 1987

Internal Revenue Service
Revenue Officer, Chicago District
1975 – 1983


J.D. Georgetown University, 1987

B.S. University of Illinois 1974

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