Josh Giegel
Founder of Gambit
Los Angeles, California
Overview
Work Experience
Founder/CEO
2023 - Current
Strategic Advisor
2022
Armada is an edge computing platform that links individuals and businesses, facilitating real-time data processing and decision-making.
Raised $108,000,000.00 from M12 - Microsoft's Venture Fund, Felicis, Dragon Global and Valor Equity Partners.
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
Virgin Galactic is a commercial spaceline that develops commercial spacecrafts.
Raised $1,345,000,000.00 from Rahim Thawer and Boeing HorizonX Ventures.
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
SpaceX is an aviation and aerospace company that focuses on reducing the costs associated with space travel by using reusable rockets.
Raised $9,770,343,846.00 from Roman Smolevskiy.
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