Ben Sizer is an experienced software developer whose primary focus has been in online games. With a background in artificial intelligence, machine learning, web development, Android apps, and geographical information systems, he has worked with a variety of programming languages including C++, Python, C#, and Javascript on multiple platforms, such as Windows, Linux, Android, Playstation 2, Playstation Portable, and Playstation 4. Sizer has worked with databases such as PostgreSql, MySql, MongoDB, and web technologies like Flask, Turbogears, and Pyramid. He has worked on performance optimization, audio, low latency distributed systems, character control, and gameplay systems to create immersive experiences. He has held roles such as Lead Software Engineer at The Multiplayer Guys / Improbable and Senior Game Programmer at Rovio Entertainment Corporation.

Outside of work, Sizer has varied interests such as sound design, music composition, game design and balance, and linguistics.