John O'Rourke

Chief Executive Officer and Chairman of the Board

Mr. O'Rourke is the Chief Executive Officer and Chairman of the Board of Directors of Riot Blockchain. Since 2011, he has also served as the Managing Member of ATG Capital LLC, an investment fund focused on small and mid-cap growth companies possessing distinct competitive advantages and superior management teams. Mr. O'Rourke serves on the Board of Directors of Mundo Inc., a leading global performance based marketing company that reaches more than two billion users per month. He received his Bachelor of Science in Accounting with an Honors Citation from the University of Maryland, College Park.

Andrew Kaplan


Mr. Kaplan is a member of the Board of Directors of Riot Blockchain and is a member of the Nominating and Governance Committee (Chairman), Audit Committee and Compensation Committee. He is a founder of A to B Capital Management, and manages the A to B Capital Special Situations Fund, LP, which was launched on January 1, 2009. The fund invests in the small cap sector through private, pre-public and publicly traded companies. In addition, he has been a Vice President of Barry Kaplan Associates ("BKA") for the past 22 years, a leading financial public relations firm for both public and private companies in the United States, Canada and abroad. Prior to working at BKA, he had six years of experience working at major investment banks involved in deal structure, mergers and acquisitions and trading. Mr. Kaplan is a member of the Board of Directors of Naked Brand Group (NAKD) and Coral Gold Resources, Ltd. (CLH.V) and a former member of the Board of PolarityTE, Inc. (COOL). He holds a BSBA from the University of Hartford in Finance and Insurance.

Jason Les


Mr. Les graduated from U.C. Irvine in 2010 with a B.S. in Information and Computer Science. Mr. Les is an established professional poker player. Mr. Les successfully competed in high stakes heads-up games online for several years and was twice selected as the human benchmark for testing the world's best poker artificial intelligence in what was dubbed Man vs Machine at Carnegie Mellon University. Mr. Les was chosen as a director based on the fact that he has been active in the industry as a miner, studying protocol development and evaluating a variety of crypto investment strategies.

Remo Mancini


Remo Mancini is a professional corporate director with significant experience at senior levels in both government and the private sector. 

Mr. Mancini served in the Legislative Assembly of Ontario, Canada (Liberal Party member) from 1975-1993. During this time period Mancini held a number of notable positions including Minister of Revenue, Parliamentary Assistant to the Premier, Official Opposition Party House Leader, and Chairman of the Public Accounts Committee.

Mancini combines his experience as a former Canadian and U.S. senior corporate executive, corporate director and former Ontario Cabinet Minister to bring a valuable perspective to business affairs, senior executive management, and corporate governance. This extensive experience in both the public and private sector positions him to lead organizations, offer insightful decisive management guidance, and board leadership.  He has served on a number of Boards of both publicly listed and private companies.

He has earned the internationally recognized designation of ICD.D and is a graduate of the Directors Education Program offered by the Institute of Corporate Directors and the University of Toronto's Rotman School of Management.

Mr. Mancini is the owner and President of Sandstone Strategies, established in 2004.