Afterwards , he joined Boeing 's Commercial Airplane Group in Seattle .
Patrick then attended the Massachusetts Institute of Technology , receiving a master 's degree ( 1990 ) and a PhD. ( 1996 ) , both in Mechanical Engineering .
Afterwards , Patrick joined Boeing 's Commercial Airplane Group in Seattle .
Patrick then attended the Massachusetts Institute of Technology , receiving a master 's degree ( 1990 ) and a PhD. ( 1996 ) , both in Mechanical Engineering .