Tag: John Matthew Mateczun

Dec. 2, 2022

In Memoriam: Vice Admiral John M. Mateczun, MC, USN (Ret.)

It is with deep regret that I inform you of the passing of Vice Admiral John Matthew Mateczun, Medical Corps, U.S. Navy (Retired), on 7 November 2022 at age 76. Vice Admiral Mateczun entered the U.S. Naval Reserve in November 1976 and served in the Medical Corps as a psychiatrist and senior health care executive until his retirement in April 2012