Before coming to the FTC, Ohlhausen spent five years at the U.S. Court of Appeals for the D.C. Circuit, serving as a law clerk for Judge David B. Sentelle and as a staff attorney.
Olnhausen (alternative name: Ohlhausen; historical variants: Olnhausen, Ohlhausen, Olhausen, Ohlhaussen, Ahlhausen, Aalhausen, Aalhaus) is a village in Baden-Wurttemberg with an area of 4.57 km², in the district of Heilbronn, near Jagsthausen.