Josef F. Schmid[2][3] (born 6 July 1965) is a German-American physician, NASA flight surgeon and a major general in the United States Air Force Reserves.

He completed his family practice residency at David Grant USAF Medical Center and then served tours in Okinawa, Japan, and Frankfurt, Germany.

Following his active duty Air Force service, Schmid then obtained his Master of public health degree in 2001 and an aerospace medicine residency at the University of Texas Medical Branch (UTMB) in Galveston, Texas.

[2] Schmid is a NASA flight surgeon in the Medical Operations Branch at Johnson Space Center in Houston.

[2][3] Schmid served as the commander of the 433rd Aerospace Medicine Squadron in Lackland Air Force Base, Texas.

[2] In May 2007, Schmid became an aquanaut through his participation in the joint NASA-NOAA, NEEMO 12 (NASA Extreme Environment Mission Operations) project, an exploration research mission held in Aquarius, the world's only undersea research laboratory.