The CEO of Enstrom Helicopter Corporation is stepping down. The company announced Tuesday Tracy Biegler will leave Enstrom to pursue other opportunities. Biegler graduated from UW-Madison and began working for Enstrom as an engineer in 2003. He was elected to the President and CEO position in 2014 and led the company through some of their most profitable years to-date. Matthew Francour will take over as interim CEO while Enstrom seeks Biegler’s permanent successor. Francour has been with Enstrom since 1978.