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. He has spent his entire career in corporate finance, both as an analyst and investor. Mr. O'Rourke also serves 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 Media Inc., a leading global performance based marketing company that reaches more than two billion users per month and he previously served on the Board of Directors of Rant, Inc., an innovator in U.S. digital media, prior to its sale to a Nasdaq listed company. He was formerly CFO of Fidelity Property Group, a real estate development company with a focus in California. He received his Bachelor of Science in Accounting with an Honors Citation from the University of Maryland, College Park.

Andrew Kaplan

Director

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

Director

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.

Eric So, LL.B.

Director

Mr. So is a member of the Board of Directors of Riot Blockchain, and is Chairman of its Audit Committee and a member of the Nominating and Governance Committee and the Compensation Committee. He is Chief Legal and Corporate Development Officer at Mundo Inc., a private internet marketing company, and serves as a Director of Therapix Biosciences Ltd. (NASDAQ: TRPX) He is also a member of the Toronto Board of Trade and the Hong Kong Canada Business Association. Mr. So has previously worked at Synergex Corporation, Fraser Milner Casgrain LLP, and Torys LLP. He earned his law degree at the University of Windsor and his bachelor of science at McGill University.