Sam Tabar

Chief Executive Officer

Sam Tabar was appointed Chief Executive Officer of WhiteFiber in February 2025. He concurrently serves as the Chief Executive Officer of Bit Digital, where he previously held the position of Chief Strategy Officer. Earlier in his career, he was the Co-Founder and Chief Strategy Officer of Fluidity, a Partner at FullCycle, and the Head of Capital Strategy for the Asia Pacific region at Bank of America Merrill Lynch. He began his professional career as an attorney at Sparx Group and Skadden, Arps, Slate, Meagher & Flom LLP.

Sam holds a Bachelor of Arts from Oxford University and a Master of Laws (LL.M.) from Columbia Law School, where he served as an associate editor of the Business Law Journal. He is an active member of the New York State Bar.

Billy Krassakopoulos

President, Data Centers

Billy Krassakopoulos is the President of WhiteFiber and a 20-year veteran of the data center and managed hosting industries. Prior to joining WhiteFiber, he founded Netintelligent Hosting Services, which was later acquired by eStruxture Data Centers. Following the acquisition, he served as Vice President at eStruxture, leading infrastructure development, managed hosting expansion, and general operational excellence. At WhiteFiber, he manages the company's data center footprint, facility scaling, and infrastructure deployment strategies.

Erke Huang

Chief Financial Officer & Director

Erke Huang serves as both the Chief Financial Officer and a member of the Board of Directors for WhiteFiber. He simultaneously serves as the Chief Financial Officer and a director of Bit Digital, where he previously stepped in as the interim Chief Executive Officer. Before his leadership tenures at Bit Digital and WhiteFiber, Erke founded the engineering and tech ventures Bitotem and co-founded Long Soar Technology. He also gained substantial venture capital experience through investment roles at Guojin and Zhengshi Capital, after starting his career as a structural tower analyst at Crown Castle.

Erke holds a Master’s degree in Civil & Environmental Engineering from Carnegie Mellon University and a Bachelor’s degree in Environmental Engineering from Southwest Jiaotong University.

Thomas Sanfilippo

Chief Technology Officer

Thomas Sanfilippo is the Chief Technology Officer of WhiteFiber, bringing decades of cloud infrastructure and engineering experience to the firm. Prior to this role, he led the network, data center operations, and core infrastructure divisions at Paperspace and DigitalOcean. During his tenure at Paperspace, he was instrumental in architecting and building out the company's high-performance GPU cloud and Gradient machine learning platform. He has also held engineering and technical leadership roles at Microsoft, Kaseya, and Artisan's Asylum.

Thomas holds a degree in physics, mathematics, and philosophy from The Ohio State University.