Yang Wei: Designer of the J-20 Posted on July 3, 2011 by alert5 Yang Wei, who designed the twin-seat J-10B and JF-17 is now the chief engineer for the J-20. Related posts (Automatically Generated): RSAF Eurofighters spotted at Malta International Airport Nigerian Air Force lost FT-7NI PLANAF to get J-11s JASDF F-2B’s landing gear retracted during taxi August First flight demo teams gets 12 J-10s Taiwan to build heavily-armed stealth corvette next year