About Us

Level Ex creates video games for doctors that capture the challenges of practicing medicine. We’ve carved out a distinct space at the intersection of medicine and entertainment, bridging gaps in the healthcare industry through state-of-the-art video game technology and design.


Our executive team unites leaders from game development, digital health, medicine, tech, and entertainment to create our award-winning medical video games.

Sam Glassenberg

Founder & CEO

Sam is the visionary behind the company’s acclaimed medical video games. Before Level Ex, he was the CEO of the leading independent game publisher for Hollywood movies, FTX Games (acquired by PTEC in 2016), releasing blockbuster titles like Hunger Games and Mission: Impossible. Sam also led the DirectX team at Microsoft. His career began at LucasArts creating Star Wars games. Sam serves on numerous tech advisory boards and is a sought-after international speaker for his provocative topics on video games and healthcare.  

Sean Mulloy

Chief Financial Officer

Sean directs all aspects of finance and operations, including HR, recruiting, facilities, and IT. He brings a deep and diverse background to Level Ex—combining progressive analytical and operational experiences at blue-chip companies such as Bank of America and Discover Financial Services with hyper-growth companies like Redbox and, most recently, Pangea Money Transfer. 

Andy Glaister

Chief Technology Officer

Andy has spent decades managing engineering teams and spearheading technology at top companies, most recently as Amazon's Technical Director for the Lumberyard game engine. He now leads the engineering team at Level Ex, managing its platforms, engines, tools, and processes. Prior to Amazon, Andy worked at Microsoft for 17 years in various roles, including Director of Development for its Game Studios and Development Manager for the Windows Graphics and Gaming (DirectX) team. Prior to Microsoft, Andy was the Technical Director for FASA Interactive and Kinesoft Development. His portfolio of over 40 shipped titles includes HaloPC, Mechwarrior, Pitfall the Mayan Adventure, and Earthworm Jim. 

Ben Balliett

VP, Head of Medical Device Sales

Ben has a passion for the healthcare industry and takes pride in working for companies that are dedicated to solving complex problems and making a difference in patient care. For the past 20 years, he has held leadership positions at organizations such as Brainlab, Xenex, and Sanofi to help drive revenue, build teams, and develop talent. At Level Ex, Ben fosters close working relationships with internal and external stakeholders to successfully convey the value of our cutting edge technologies in many facets of healthcare. 

Ryan Blake

Studio Art Director

Ryan supervises Level Ex’s elite team of 3D, 2D, IU, technical, and environment artists and coordinates all art assets. He has been with Level Ex since its inception and created much of its core 3D art. Ryan has 10 years of industry experience in areas such as 3D modeling, rigging, sculpting, and texturing and has worked on many notable, award winning games from companies including Paramount, Zynga, WB, Atari, and AMC. 

Eric Gantwerker, MD, MMSc (MedEd)

VP, Medical Director

Eric Gantwerker, MD, MMSc (MedEd), FACS is a practicing academic pediatric otolaryngologist. At Level Ex, he leads the company’s medical and educational strategy, directs CME and product development, oversees efficacy studies, and manages the company’s robust physician advisory board as well as relationships with hospitals, institutions, societies and organizations. Eric holds a MMSc in Medical Education from Harvard Medical School and an MS in Physiology and Biophysics from Georgetown University. He specializes in applying the cognitive science of learning, motivational theory, and educational technology to medical education and speaks both nationally and internationally on these topics. Eric was also recently inducted as an Associate Member of the American College of Surgeons Academy of Master Surgeon Educators. 

Ann Marie LaCasha

Head of Marketing

Ann Marie leads the marketing team and all marketing functions at Level Ex. She is passionate about providing transformative experiences that advance healthcare. She is a seasoned and accomplished professional, with expertise in executive decision-making, strategic planning, healthcare, digital marketing, brand building, product launches, client implementation, and project management. Having spearheaded marketing at major healthcare/med tech companies like Brainlab and Abbott, as well as startups, her broad experience includes guiding omni-channel engagement campaigns and program delivery for health systems, health plans, retailers, pharma and OTC/CPG brands; UX/UI design and research direction; aligning data insights to growth opportunities to support client KPIs, and overall success and effective consumer engagement. 

Jason VandenBerghe

Game Design Director

Jason has over two decades of experience leading creative teams. At Level Ex, he employs game design methodologies, honed through extensive experience in the consumer games industry, to capture the greatest challenges of medical and surgical procedures as video game mechanics. Jason has worked on nearly every aspect of third and first-person action game design at studios such as Ubisoft (For Honor, Far Cry, Ghost Recon), ArenaNet (Guild Wars 2), Activision (Call of Duty, X-Men), and Electronic Arts (James Bond, Lord of the Rings). Through his work, he has developed “Engines of Play,” a model of player motivation used across the industry to inform and optimize game design. 


Over 150 healthcare experts dedicate their time to work hand in hand with our team — informing all aspects of our business from game design to product development. Our advisors are on the forefront of transforming healthcare with us:

Kyle Hogarth, MD, FCCP

Interventional Pulmonology, Pulmonary Medicine Professor of Medicine; Director, Bronchoscopy; Co-Director, Lung Cancer Screening Program; University of Chicago

Komal Bajaj, MD

OB/GYN & Medical Genetics Associate Professor, OB/GYN & Women's Health Albert Einstein College of Medicine Chief Quality Officer, NYC Health + Hospitals

Atman Shah, MD, FSCAI

Interventional Cardiology Clinical Director, Section of Cardiology; Co-Director, Cardiac Catheterization Laboratory; Associate Professor of Medicine University of Chicago Medicine

Adrian Pichurko, MD

Anesthesiology University of Wisconsin School of Medicine and Public Health

Charles Lei, MD

Emergency Medicine Simulation Fellowship Director; Assistant Professor of Emergency Medicine Vanderbilt University Medical Center

Adam Ehrlich, MD, MPH

Gastroenterology Associate Professor, Medicine; Program Director, Gastroenterology Fellowship; Co-Medical Director, Inflammatory Bowel Disease Program Temple University Hospital

Errol Gordon, MD

Neurology & Critical Care Assistant Clinical Professor of Neurosurgery; Assistant Clinical Professor of Neurology Mount Sinai Hospital

Neeraj Desai, MD

Pulmonary Disease, Critical Care Medicine, Internal Medicine Pulmonologist Amita Health Resurrection Medical Center Chicago

Brian Gantwerker, MD, FAANS, FACS

Spine Surgery Neurosurgeon The Craniospinal Center of Los Angeles

Ray Glassenberg, MD

Anesthesiology Associate Professor of Anesthesiology Northwestern University, Feinberg School of Medicine

Peter Lio, MD, FAAD

Dermatology Clinical Assistant Professor of Dermatology and Pediatrics Northwestern University, Feinberg School of Medicine