BeStock  

WhiteFiber WYFI

$16.83 −$0.50 (-2.89%)
Pre-market · Oct 8, 7:00 am ET · After hours $16.88 +0.30%
Open$17.00
Prev close$17.33
Day range$16.43 – $17.07
Volume965.7K
Market cap$653.81M
P/E (TTM)–
Dividend yield–
CEOMr. Samir Tabar
Employees83
HeadquartersNew York, United States of America
Websitewww.whitefiber.com

Management team

Samir Tabar Chief Executive Officer and Director
Age 54 · Total comp. $4,278,812.00 · As of 2 Aug 2026

On July 30, 2026, the Board elected Sam Tabar to serve as director of the Company, effective August 1, 2026. Mr. Sam Tabar has served as WhiteFiber's Chief Executive Officer since February 2025. Mr. Tabar served as Chief Strategy Officer of Bit Digital from March 31, 2021 to March 31, 2023, when he was appointed Chief Executive Officer of Bit Digital. Mr. Tabar was an independent contractor for Centerboard Securities LLC, as a FINRA registered representative, from June 2020 until his resignation on March 31, 2023. Prior thereto, Mr. Tabar served as the Co-Founder and Chief Strategy Officer of Fluidity from April 2017 to June 2020. Prior to this, he served as a Partner to FullCycle Fund from December 2015 to April 2017. Prior to this, he served as Director and Head of Capital Strategy (Asia Pacific Region) for Bank of America Merrill Lynch from February 2011 to January 2013. Prior to this, he was Co-Head of Marketing at Sparx Group from March 2003 to 2011. Prior to this, he was an associate at Skadden, Arps, Meagher, Flom LLP & Affiliates from May 2001 to March 2004. Mr. Tabar received his Bachelor of Arts from Oxford University in 2000 and received his Master of Law (LL.M.) from Columbia University School of Law in 2001. He was associate editor of the Columbia Law Business Law Journal in 2000, and is a current member of the New York State Bar Association.

Billy Krassakopoulos President; Chief Executive Officer, Enovum
Age 44 · Total comp. $3,136,841.00 · As of 25 Mar 2026

Mr. Krassakopoulos has served as President of WhiteFiber since February 2025. He has served as Chief Executive Officer of Enovum since its formation on July 13, 2023. He will continue to serve in that position with WhiteFiber. Billy has more than 20 years experience in the data center and managed hosting industry. He founded Netintelligent Hosting Services in 2002, and the company was sold to Estruxture Data Centers in 2016. Subsequent to the acquisition of Netintelligent Hosting Services, he was a Vice President at Estruxture Data Centers.

Ichi Shih Independent Director
Age 55 · Total comp. $151,666.00 · As of 25 Mar 2026

Ms. Ichi Shih has served as an independent director of WhiteFiber since October 10, 2024. Ms. Shih was elected to serve as an independent director of Bit Digital at the September 4, 2020 Annual General Meeting, and has experience in financial management, M&A transactions, and capital market transaction across several global regions. This extensive experience, as well as her involvement in the Company's business and finances since our inception, qualifies her to serve on our board of directors. From 1998 to 1999, she worked as a Financial Analyst of Goldman Sachs & Co. in New York. From 2007 to 2009, she worked as Vice President of Brean Murray & Carret in New York. From 2009 to 2011, she worked as CFO of China Valves Technologies, Inc. in both Hong Kong and the U.S. From 2012 to 2014, she worked as Senior Vice President of Glory Sky Capital in Hong Kong. In 2015, she worked as Listing Advisor of Nasdaq Dubai in Dubai and Shanghai. From 2016 to 2017, she worked as CFO of Cubetech Global Assets in Beijing. From 2017 to 2018, she worked as CFO of ProMed Pharma in Beijing. Since 2018, she has worked as a Partner of Cathay Securities, Inc. in Beijing and New York. Ms. Shih received her Bachelor's degree in Accounting and International Business from Stern School of Business at New York University in 1995 and Master's degree in International Finance and Business from School of International and Public Affairs at Columbia University in 2002. Ms. Shih holds a CPA Certificate from American Institute of Certified Public Accountants.

Pruitt Hall Independent Director
Age 66 · Total comp. $114,000.00 · As of 25 Mar 2026

Pruitt Hall was appointed to serve as a director of WhiteFiber upon the commencement of trading of our Ordinary Shares on the Nasdaq Capital Market on August 7, 2025. Mr. Hall has served as Director, Mission Critical Services, Kirkland, Inc. in High Point, North Carolina since September 2008. There, he serves as a full-time career adjunct as AI infrastructure designer/builder/commissioning agent for data center clients. He is presently working with clients assisting in all phases of technology implementation from an infrastructure standpoint. From 1997 to 2008 he was Director of Technology Services, SSASE/Falk Integrated Technologies, Greensboro, North Carolina. Mr. Hall was made a Data Center Energy Practitioner, by the US Department of Energy in November 2017.

Jiashu Xiong Independent Director
Age 33 · Total comp. $1,666.00 · As of 25 Mar 2026

Jiashu (Bill) Xiong has served as an independent director of WhiteFiber since October 10, 2024. Mr. Xiong served as IT Director of Bit Digital Canada, Inc. from October 2023 to January 2026, and a director of Bit Digital from October 2023 to January 2026 when he resigned from all positions with Bit Digital. He previously served on the Board of Bid Digital, Inc. and as the IT/DevOps Tech Lead for the Agricultural Bank of China's Canada branch from February 2018 to March 2023. Xiong received a bachelor's degree in Computer Science and Software Engineering from the University of Victoria. Mr. Xiong is qualified to serve as a member of our board of directors due to his educational background and experience in our business since its formation.

Justin Zhu Chief Financial Officer and Principal Accounting Officer
Age 45 · As of 2 Aug 2026

On July 30, 2026, the Board appointed Justin Zhu, as the Company's Chief Financial Officer, Principal Financial Officer, and Principal Accounting Officer effective August 1, 2026. Mr. Zhu has served as Senior Vice President of Finance and Chief Accounting Officer of the Company upon completion of the Company's initial public offering in August 2025. Until his resignation as of August 1, 2026, Mr. Zhu served as Vice President of Finance with Bit Digital since July 2021 and, effective as of July 2025, he was also appointed as Principal Financial Officer and Chief Accounting Officer of Bit Digital. From 2015 until July 2021, Mr. Zhu was a Senior Manager at Ernst & Young US LLP, where he advised Fortune 500 clients on accounting, reporting, and transaction-related regulatory requirements. He started his career at PricewaterhouseCoopers, LLP, from 2012 to 2015, focusing on public company audits. Mr. Zhu holds a Bachelor of Business Administration (Honors) in Accounting and a Master of Science in Taxation from Baruch College. He is a Certified Public Accountant in New York.

Michael Rulf Independent Director
Age 55 · As of 2 Aug 2026

On July 30, 2026, the Board elected Michael Rulf to serve as an independent director of the Company, effective August 1, 2026. Michael Rulf was elected to serve as an independent director of WhiteFiber on August 1, 2026. Mr. Rulf has served as Chief Solutions Architect of Syntax Systems Ltd. since December 2025, where he manages product development initiatives for managed services and cloud providers and supports product lines in excess of $250 million in revenue. He previously served as Syntax Systems Ltd.'s Americas Chief Technology Officer from 2018 to 2025 and as its Chief Technology Officer from 2012 to 2018. From April 2011 to August 2012, Mr. Rulf served as Vice President, Service Engineering Technology Office at Oracle Corporation, where he was responsible for providing strategic direction and vision for all Oracle Cloud Services products and development initiatives, including oversight of cross-functional product management and architecture teams of more than 200 individuals across domestic and international operations. From January 2008 to April 2011, Mr. Rulf served as Executive Director of Product Development at AT&T Inc., where he provided strategic direction for all Cloud Services products and managed a cross-functional organization in excess of 500 individuals. From April 2005 to January 2008, Mr. Rulf served as Vice President of Advanced Engineering at USi Inc., where he was responsible for the strategic direction and management of all product engineering initiatives. From 1998 to 2005, Mr. Rulf served as Vice President of Research and Development at Core Services Corporation, which was later acquired by Syntax Systems Limited, where he founded and led the company's information security consulting practice. From 1995 to 1998, Mr. Rulf served as Information Services Manager at Production Arts, where he managed systems installation and software development across the company's U.S. and international offices. Mr. Rulf received his Bachelor of Arts in Computer Science and Engineering Applications for Theatre from The College of Wooster in 1993 and his Master of Fine Arts in Theater Engineering from Purdue University in 1997. In 2007, Mr. Rulf was recognized as Innovator of the Year by the Oracle Applications User Group.

Thomas Sanfilippo Chief Technology Officer
Age 62 · As of 25 Mar 2026

Mr. Sanfilippo has served as the Chief Technology Officer of WhiteFiber since February 2025. He commenced employment as Chief Technology Officer of WhiteFiber AI in September 2024. Prior thereto, from July 2023 until September 2024, he was Senior Director of Paperspace's existing network, data center and infrastructure teams within Digital Ocean. From December 2015 until Paperspace was acquired by Digital Ocean in July 2023 he was leader of Paperspaces's core GPU Computer Cloud and Gradient AI/ML Platform technical organizations. Prior thereto, from January 2015 until September 2016, he was a senior Architect for Kaseya. From 2014 until 2017, he was Chairman of the Board of Directors of Artisan Asylum. There he worked on long-term growth and health of a non-profit community workspace and education center. From June 2012 to April 2014 he was Principal Software Development Engineer and from 2006 to 2012 he was Principal Group Development Manager at Microsoft. He began his career in 1986 with a degree in majors in physics, mathematics and philosophy from The Ohio State University.

From SEC filings, via Futu. Compensation is total reported pay for the most recent fiscal year on file, not base salary alone.

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