We help make the investing world flat by democratizing access to compelling investment products and strategies.


Greg King

Greg King

CEO, Founder

Founder and CEO of REX Shares. As the creator of several industry innovations including filing a patent for the first “ETN” in 2006 for Barclays, Greg has created and launched over 100 exchange traded funds and notes for Barclays, Credit Suisse, Global X Funds, and previously as Co-founder and CEO of VelocityShares™. He has an M.B.A. from University of California, Davis and is a CFA Charterholder.

Scott Acheychek

Scott Acheychek


Scott joined REX Shares in 2016 after holding senior sales and leadership positions at several large global investment banks. Scott covered hedge funds, asset managers, and financial advisors for multi-asset and commodity specific solutions. Since 2006, he has worked on the launch of over 50 ETNs and ETFs. Scott graduated from Sacred Heart University with a B.S. in Mathematics.

Robert Rokose

Robert Rokose


Robert joined REX Shares in 2020 and brings 28 years of accounting and financial services experience. His previous roles include CFO of U.S. Funds at JP Morgan Asset Management, Managing Director & CFO for PIMCO/Allianz Funds and Assistant Vice President & Assistant Controller of publicly held Lexington Global Asset Managers. He has an M.B.A. from University of Connecticut and is a CPA Charterholder.

Vince Dilullo

Managing Director

Vince joined REX Shares in 2021 and brings 25 years of capital markets, wealth management and financial industry experience. Previously, Vince served as a Wealth Management and Portfolio Advisor with Merrill Lynch, a Senior Director with Opportunity Network (FinTech company), and an Executive Director with UBS Investment Bank in the Global Equity Derivatives Group. While at UBS, Vince led the development, origination and distribution of structured investment and ETP solutions to financial institutions and private clients in the U.S.


J. Parsons

J. Parsons has been a leader in the exchange traded product industry for more than 15 years. J, most recently served as Head of Sales in the iShares business of Barclays Global Investors (BGI), where he played a key role in accelerating ETF distribution to financial advisors.

Anthony Pesco, Ph.D

From 1999 to 2016 Tony held several senior positions at Credit Suisse. Tony holds a Ph.D in Chemical Engineering from Columbia University, has held senior positions at Santander, AIG, J.P. Morgan, and started his career as a research scientist at AT&T Bell Laboratories.

Todd Phillips

Todd is a 25 year ETP industry veteran responsible for the development, design and successful execution of three ETP electronic and block trading businesses.

Richard Shorten

Rich is the Founder and Managing Director of Silvermine Capital Resources, a firm focused on venture, turnaround and other special situation investment opportunities in the communications, technology and alternative energy sectors.

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