Haifeng is a Technical Director at BAE Systems. He is an IEEE Fellow, and has a PhD degree in Computer Engineering from Carnegie Mellon University. His work in model-based (adaptive) systems engineering has been collected into IEEE/INCOSE Systems Engineering Body of Knowledge (SEBoK) and used in well-known aerospace products including Pratt & Whitney GTF engines, Boeing 777X aircraft electrical systems, and International Space Station, etc. He served as chair roles in a number of conferences in IEEE and AIAA, and on editorial boards of several premier journals in IEEE and INCOSE.