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Alexander Wojcicki is a Principal Propulsion Engineer at SpaceX, where tenure began in August 2009. Responsibilities include overseeing Raptor turbomachinery and the oxygen powerhead. Prior roles at SpaceX involved managing propulsion design for the Liquid Engine Development Group, leading the design for the Merlin 1D engine, and serving as a propulsion design engineer focusing on component and system design for Merlin rocket engines and the Dragon spacecraft. Previous experience includes internships at SpaceX and Harris Group Inc. in various engineering roles. Alexander holds a Bachelor of Science in Mechanical Engineering from Northwestern University, earned in 2009.