Siva Sashank Tholeti is an accomplished engineer specializing in multiphysics simulations and fluid dynamics, currently serving as a Space Resources Multiphysics Simulation Engineer III at Blue Origin since October 2024. Previously, Siva held positions at TLG Aerospace as a Flight Sciences Engineer and at COMSOL, Inc. in various roles including Applications Manager and CFD Applications Team Lead, contributing to significant advancements in simulation models for multiphase flow and heat transfer, as well as mentoring teams and conducting training sessions. Siva earned a PhD and a Master's degree in Aeronautics & Astronautics from Purdue University, following a Bachelor's degree in Aerospace Engineering from SRM IST Chennai, complemented by early research experience and internships in fluid dynamics and aerospace applications.