Marek Ziemak is a veteran of the Polish video game industry whose career spans nearly two decades, characterized by a progression from technical development roles to high-level executive leadership. His professional trajectory highlights a deep involvement in some of the region's most critically acclaimed titles, most notably within the Witcher franchise. Starting as a game tester and scripter at CD Projekt RED in 2006, Ziemak eventually transitioned into level design and production roles for The Witcher 2 and The Witcher 3. This foundational experience in AAA development provided the groundwork for his subsequent move into the publishing sector of the industry. Since 2014, Ziemak has been a central figure at 11 bit studios, where he has overseen various publishing projects. His roles have evolved from Senior Publishing Producer to Executive Producer, culminating in his current position as External Development Director. This tenure reflects a strategic focus on managing external partnerships and scaling production efforts across a diverse portfolio of titles. Beyond his corporate contributions, Ziemak influenced the next generation of developers through a six-year period as a lecturer at the Warsaw Film School, specifically within the Video Game Creation department. His professional expertise is supported by a robust academic background in both technical and managerial disciplines. He holds a Master of Engineering in Information Technology from the Military University of Technology, specializing in IT management systems. Furthermore, he supplemented his technical education with a Master of Business Administration for IT professionals from the Kozminski University. This combination of hands-on development experience, academic rigor, and executive oversight positions Ziemak as a significant figure in the operational and strategic landscape of the Polish gaming sector.