US Marine announces the promotion of J.D. Sienicki to senior vice-president of engineering and product development. "Through his leadership, J.D. has built one of the most productive and effective product development organizations in the marine industry," stated Bill Barrington, President of US Marine. manager for the Family 3 Engine Project. Prior to that, J.D. spent over 15 years with General Motors in various roles including lead engineer -- body structures and as a vehicle development engineer. During his tenure with General Motors, J.D. administration in international business and a master of arts in international relations. JD also earned a bachelor of science in mechanical/automotive engineering from the General Motors Institute.