Superior Die Set in Oak Creek has elected Frank Janiszewski as president and CEO. He has worked at Superior for more than 30 years.
Janiszewski graduated from Marquette University with a degree in mechanical engineering and began as an engineer at Superior. He quickly moved into plant management and was later named executive vice president.
Superior was founded in 1923. The company has two U.S. and two European plants. It manufactures die sets, mold bases, pins, bushings and other products.