- Agent/Consul General (Egypt)
Appointed: May 13, 1893
Presentation of Credentials: December 11, 1893
Termination of Mission: Relinquished charge June 17, 1897
- Commissioned during a recess of the Senate; recommissioned after confirmation on Aug 25, 1893.
- Ambassador Extraordinary and Plenipotentiary (Austria)
Appointed: July 28, 1913
Presentation of Credentials: September 26, 1913
Termination of Mission: Left post. April 7, 1917
- Commissioned to Austria-Hungary. Joseph C. Grew was serving as Chargé d'Affaires ad interim when Austria-Hungary severed diplomatic relations with the U.S., Apr 9, 1917.