Zhenyu George Li is a passionate video game developer with over 20 years of experience in the field. As a seasoned software engineer, George has contributed significantly to the development of numerous games throughout his career and currently serves as a senior development engineer at Unity. George's fascination with video games was sparked during his college studies, igniting a passion that would shape his professional journey. During the early stages of his game development endeavors, George immersed himself in technologies such as Visual Basic, C/C++, DirectX, OpenGL, Windows GUI, SQL, and so on. These foundational experiences laid the groundwork for his subsequent success in the industry. Throughout his career, George has made substantial contributions to various commercial games. Notable titles on his portfolio include Unity demo and starter kit games, Sandbox, Halo Infinite, Magic Arena, Stela, Dead Rising 2, The Bigs 2, and others. His involvement in these projects has allowed him to gain extensive knowledge and practical experience in a wide range of domains, including programming, game engines, gameplay and AI, graphics, animation, multiplayer, game physics, frontend, and multiplatform. In practical applications, George has used Unreal, Unity, and some propriety game engines in the development of real game projects. In addition to his achievements as a game developer, George has also honed his teaching abilities during his eight years of college-level instruction. He has shared his knowledge and expertise with aspiring developers, serving as a lecturer at the Vancouver Film School, College of Interactive Arts, and Hefei Union University. While teaching at Vancouver Film School, George guided students through the intricacies of Unreal Engine, helping them build a strong foundation in professional game development.

Charles Shih-I Yeh pursued his computer science studies at the University of Southern California before embarking on a career in the video game industry in the early 2000s. He has held various pivotal roles in game programming, including building proprietary game engines, crafting Digital Content Creation (DCC) tools to streamline production pipelines, and designing engaging gameplay mechanics alongside robust multiplayer and MMORPG tournament services. Charles is also passionate and committed to sharing expertise and insights by delivering lectures on game programming at several esteemed universities. He is also the author of two game design books as well as the official translator of several famous game programming books, such as Game Programming Gems 4, into his native language, Mandarin.