Simulation Architect  •  Principal Engineer  •  R&D Lead
Fountain Valley, CA · ed@eddiefast.com · LinkedIn · GitHub
I'm a simulation architect and lead developer with over 20 years of experience designing immersive training systems for defense, research, and beyond.
I also enjoy building tools that empower others - from speech-enabled training agents to a homebrew MAME emulator just for fun.
Former game dev. Weekend emulator hacker. Always prototyping.
Unity, Unreal, VBS4; immersive 3D environments
Windows, macOS, Android, iOS, WebGL, VR/AR
Military training, terrain streaming, messaging, GIS/military data, symbology
C#, C++, Python, JavaScript; modular frameworks, multithreaded systems
CI/CD, Amazon AWS, Google Cloud, Microsoft Azure
(Hartholt, Fast, eg al., IHSED 2025)
Showcased streamlined production of realistic digital doubles for simulation.
(Hartholt, McCullough, Fast, et al., SISO SIW 2021 - Best Paper)
Architected the modular simulation platform used in 20+ defense and research systems.
(Hartholt, Fast, et al., IVA 2022)
Redesigned Unity support for scalable, modular development of virtual humans.
(Hartholt, Leeds, Fast, et al., IHSI 2024)
Integrated Unity, virtual humans, and cognitive agents via cross-platform middleware.
(DeVault, Artstein, Fast, et al., AAMAS 2014 - Best Paper Nominee)
Widely cited system combining AI, speech analysis, and healthcare interviews.
(Gratch, Wang, Gerten, Fast, Duffy, IVA 2007 - cited 400+ times)
Seminal study on verbal and nonverbal coordination in embodied agents.
20+ peer-reviewed publications on simulation, virtual humans, and training systems. Full list available here.
MCS - MAME emulator re-written in C#