Mize, Gregory E.
Appointed: September 7, 1990
Judge Designate Mize was born in Chicago, Illinois. He earned a Bachelor’s of Arts Degree
in Philosophy in 1968 from the St. Mary of the Lake campus of Loyola University of
Chicago and an S.T.B. degree in Sacred Theology from St. Mary of the Lake Seminary in
1970. He has resided in Washington, D.C. since 1970 when he began his legal studies at
the Georgetown University Law Center.
Upon obtaining his Juris Doctor Degree from Georgetown in 1973, Mr. Mize
became an associate in the law firm of Karr Graves where he engaged in civil and criminal
litigation. In 1975 he was appointed Staff Director and Counsel to the D.C. Council’s
Committee on the Judiciary. For the next seven years, Mr. Mize was the architect of
legislation governing administrative procedure, fiduciary relations, and criminal law. He
managed budgetary oversight of the District’s public safety and court operations. He also
designed and implemented the process by which D.C. statutes are prepared and
Since 1983, Council has unanimously appointed Mr. Mize to be its General
Counsel. in that capacity, the has been: counselor and draftsman for hundreds of new
statutes–certifying the legal and technical sufficiency of all permanent legislation prior to full
Council consideration and vote; chief of litigation in matters involving legislative
independence; manager of the eleven-member Office of General Counsel; parliamentarian
and ethics counselor for the full legislature and its standing committees; representative of the
Council in matters pending in the Congress such as the successful effort in 1984 to amend
the District’s home rule charter to give the Council a valid legislative veto; and legal advisor
for the internal management of the Council’s annual appropriation with special attention to
personnel and contracting. As the chief legal officer to the District’s legislative branch, he has
enjoyed a special opportunity to bridge Washington’s business, political and social
Throughout his legal career, Judge Designate Mize has volunteered his time to
improve the administration of justice and the art of lawyering in the District of Columbia.He
has served on numerous D.C. Bar committees and intergovernmental boards including
service as chair of the D.C. Affairs Section of the D.C. Bar (1978-1979) and founding
membership on the Council for Court Excellence, Inc. He taught as an adjunct professor of
law at the Antioch School of Law (1982-1986) and at the Georgetown University Law
Center (1985-1988). He has been particularly devoted to those with developmental
disabilities, having served in various roles through the Lt. Joseph P. Kennedy Institute, Inc.
Mr. Mize is married to Marisa Giedt Mize who is a critical care nurse and educator.
They are the proud parents of four children.