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The TeamTeam

Attestant has been formed by a team with decades of experience in technology, finance, and treasury management at the highest levels.

Dr. Sreejith Das Ph.D
Dr. Sreejith Das Ph.D

Chief Executive Officer

Sreejith is a financial specialist with decades of experience in the wholesale capital markets. Part of a small team that successfully obtained a new UK banking license, one of the first to be granted in over a hundred years, he is skilled at building and developing multi-billion dollar investment corporations. He holds a Ph.D in applied mathematics, and has a keen interest in technology and the changes it can bring to society.

Jim McDonald
Jim McDonald

Chief Technology Officer

Jim has worked on internet infrastructure for nearly 30 years, including running one of the first public access internet services. He has worked on hardware and software, in startups and multinationals, in technical, management and leadership roles. His current focus is on Ethereum 2, decentralized infrastructure, and advanced validator strategies.

Robert Olsen
Robert Olsen

Chief Commercial Officer

Robert has over 30 years of sales and marketing experience in a wide variety of roles. Since 2012 Robert has focussed his attention on the digital asset space, and was an early pioneer in Ethereum. Through his extensive network of friends and colleagues he has helped a large number of startups to establish connections that have greatly assisted their growth.

Gary Rowe
Gary Rowe

Chief Operations Officer

With over 30 years developing software Gary has worked in many fields and on lots of projects. He has been active in the crypto ecosystem since early 2011 with the development of the popular MultiBit Bitcoin wallet and several open source libraries. He has advised large financial organizations on their blockchain strategies and guided their implementation and operations.

Ben Whitby
Ben Whitby

Compliance and strategy advisor

Ben is a wholesale finance compliance specialist with over 20 years of industry experience. He has been focused on adoption of cryptoassets into both consumer and wholesale finance since 2013. Ben works closely with major regulators, has spent time with HSBC, PwC and Accenture, and built the world's first Interest Rate Swap Trading Platform: Swapstream.

Dr. Steve Berryman Ph.D
Dr. Steve Berryman Ph.D

Technology and strategy advsior

A highly motivated professional with over 25 years' software engineering experience within the financial industry, Steve has a degree and a Ph.D in Computer Science. He has worked for tier one investment banks across the globe, where his main focus has been on cutting edge derivatives and software to price and manage their risk. Now more focussed on blockchain technologies, Steve is also the co-founder of one of the longest running Tezos staking firms.

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