From 2006 to 2011, Ewald headed the Flight Operations Division within ESA’s ISS Operations department at the Columbus Control Centre near Munich. In this role, he directed a team of ESA Mission Directors managing the Columbus laboratory delivery flight in February 2008 and the Columbus science activities thereafter. He is now advisor to the Head of Director General's Cabinet at ESA's Headquarter in Paris
He is married and has three children. He enjoys reading and spending time with his family, and performs with an amateur theatre group. His main sports are soccer and he holds a black belt in karate.