Summary
Ethan Koester is a seasoned Roblox game developer and mentor with over a decade of experience shipping high-profile titles and leading large distributed teams, including the billion-play hit Robloxian Highschool. Based in California, he combines full-stack Lua programming, production leadership, and game design with hands-on work across UI, modeling, animation, sound, and UGC integration. A certified Scrum Master with multiple internships and contractor stints at Roblox Corp, he regularly guides teams through release strategy, analytics, and player-feedback loops—almost all teams he mentored shipped their games. Recently he’s been building new games from the ground up while mentoring accelerator teams, bringing a rare mix of obsessive attention to detail and proven commercial success.
10 years of coding experience
6 years of employment as a software developer