Vice Adm. Koenig is a native of Salinas, California and a 1958 graduate of Salinas Union High School. He attended the U.S. Naval Academy and later received a bachelor of science degree from Brigham Young University in 1962. He received a medical degree from Baylor University College of Medicine in 1966. He was certified by the American Board of Pediatrics in general pediatrics and pediatric hematology-oncology.
Koenig advanced to Diplomate of the American College of Healthcare Executives in February 1995. He received “The 1994 Federal Health Care Executive Award for Excellence” from the American Hospital Association in March 1995.
From 1967 to 1969, Koenig served as general medical officer, Fleet Activities, Sasebo, Japan. Following a Residency in Pediatrics (1969-1971) and Fellowship in Pediatric Hematology-Oncology (1971-1973) at Naval Hospital San Diego, he remained at the hospital serving as the chief, Pediatric Hematology-Oncology Division (1973-1980). In 1980, Koenig reported to Naval Medical Center Oakland, California, where he served as chief, Pediatrics (1980-1983) and then director of Medical Services (1983-1984).
In June 1984, Koenig became executive officer of Naval Hospital Portsmouth, Virginia. He served in this role until July 1985 when he returned to California, becoming the commanding officer of the Naval Hospital San Diego (1985-1987). He assumed command of Naval Health Sciences Education and Training Command (NMETC), Bethesda, Maryland, in July 1987. This was followed by staff tours as: director, Health Care Operations in the Office of the Chief of Naval Operations; and Deputy Secretary of Defense (Health Affairs) for Health Services Operations. Koenig served as deputy surgeon general of the Navy from July 1994 to June 1995. In June 1995, Koenig was appointed surgeon general of the Navy; he served in this role until his retirement in June 1998.
Koenig’s personal awards include the Defense Superior Service Medal, Legion of Merit (two awards), Meritorious Service Medal (two awards), Navy Commendation Medal, and the Navy Achievement Medal.