JG

Josh Giegel

Founder of Gambit

Los Angeles, California

Overview

Work Experience

  • Founder/CEO

    2023 - Current

  • Strategic Advisor

    2022

  • CEO and Co-Founder

    2021 - 2021

  • Chief Technology Officer

    2017 - 2021

  • President of Engineering

    2016 - 2017

  • Senior Vice President Engineering

    2016 - 2016

  • Co-founder + VP of Design and Analysis

    2014 - 2016

  • Propulsion Stage Systems Lead

    2014 - 2014

  • Senior Research & Development Systems Engineer

    2012 - 2014

    Advanced Projects - Conceptual Analysis - Integrated CO2 heat recovery systems for Navy/marine environments - High efficiency cycles for nuclear and concentrated solar power - High power waste heat recovery cycles - Novel component design and optimization Multivariable Nonlinear Optimization - Created, utilized and distributed a multivariable nonlinear system level optimizer - Utilized for power cycle architecture layout optimization - Generated 4 patent disclosures for novel new cycles Transient Modeling - Heat exchanger transient structural, fluid and thermal response

  • Propulsion Engineer/Analyst

    2009 - 2012

    Regeneratively Cooled Thrust Chamber (Engine) Conceptual Design and Analysis - Lead Analytical Design on: - Merlin 1D Thrust Chamber (highest thrust to weight engine built) - Merlin 1D Vac Thrust Chamber - Hypergolic Escape Engine (Demo Engine) - Hypergolic Escape Engine Full Design - high chamber pressure engine - LOX/Hydrogen Injector Test Bed - Thermal/Fluid Analysis - Created matlab regen channel optimizer code - anchored to test data and CFD - CFD on associated components - Created dual pass flow region in nozzle from single inlet manifold - Structural Analysis - Entire chamber assembly model - Full non-linear plasticity modeling - created math models to verify results Dragon Spacecraft Zero-Gravity Propellant Tank Fluid Analysis - Propellant wicking in zero gravity - Specified allowable g-level during flight/reentry - CFD modeling - Slosh modeling and frequency calculations Transient Thermal Management - Component level heat dissipation analysis and design - Cryogenic tank thermal management Liquid Film Cooling Modeling for Merlin Vacuum Engine - Developed a liquid film cooling model used to calculate skirt temperatures F9 Anomaly Investigation - Root cause investigation and modeling

  • Research Assistant

    2007 - 2008

    Direct Numerical Simulation (DNS)/Large Eddy Simulation (LES) of boundary layer transition in hypersonic flow

  • Undergraduate Research Assistant

    2006 - 2007

    Created a axi-symmetric two-dimensional ray tracing code for photon Monte Carlo radiative heat transfer modeling in gray media. Integrated into NASA DPLR code and validated code against existing exact solutions.

  • Fluid/Thermal Systems Intern

    2006 - 2006

    Thermal and Fluid System Design

  • Vehicle Impact Intern (Crash Testing)

    2005 - 2005

Relevant Websites