Brian Luptowski, PE, PMP, currently serves as the Propulsion Analysis Lead at Sierra Space since June 2021, following a similar role at Sierra Nevada Corporation from December 2016 to May 2021, where key projects included propulsion system performance analysis and slosh analysis for the Dream Chaser vehicle. Prior experience includes working as a Thermodynamics Engineer at United Launch Alliance, specializing in cryogenic propulsion performance for NASA's Space Launch System. Brian's earlier roles featured extensive contributions to solar power technology as a Senior Mechanical Engineer at Abengoa Solar and software development at Gamma Technologies, where capabilities in thermal management simulation were enhanced through international collaborations. Brian holds an MS and BS in Mechanical Engineering from Michigan Technological University.