John Siepierski is an experienced aerospace engineer currently serving as the Lead GNC Engineer at SpaceX since October 2020, with previous roles including Lead Modeling & Simulation Engineer and Guidance, Navigation & Control Engineer. Prior to SpaceX, John worked at Cummings Aerospace from June 2017 to October 2020 as Aerospace Engineer III, focusing on guidance, navigation, control, and 6DOF simulation, along with software development for modeling and simulation. Earlier experiences include positions at Berry Plastics Corporation as a Reliability Engineering Intern and at FLANDERS as an Engineering Intern. John's academic background includes a Bachelor's Degree in Engineering with an emphasis in Mechanical from the University of Southern Indiana, and a double major Bachelor's Degree in Political Science and Philosophy from the same institution, supplemented by studies at the University of Turku in Finland.
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