About Us

REX Shares is an innovative ETP provider specializing in alternative-strategy ETFs and ETNs. The firm created the MicroSectors™ and co-created the T-REX product lines of leveraged and inverse tools for traders. REX also manages a series of option-based income ETFs and has a total across all ETPs of $6 billion in assets under management. REX Shares, T-REX, MicroSectors™, and REX Advisers collectively form the REX Financial brand.



Greg King

CEO and Founder

Greg is the founder and CEO of REX Financial. 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 is the Chief Operating Officer of REX Financial, previously serving as CEO of REX Financial subsidiary REX Shares. He joined REX Shares in 2016 upon launch of their first ETFs and has played a key role in overseeing their product expansion and asset growth. Prior to REX Shares, Scott held senior sales and leadership positions at major global investment banks such as Citi, AIG, and Wells Fargo. In these roles, he focused on providing derivative and structure note solutions for hedge funds, asset managers, and financial advisors across various asset classes. Scott has been involved in the launch of over 100 ETNs and ETFs. He holds a B.S. in Mathematics from Sacred Heart University.


Robert Rokose


Robert joined REX Financial 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 Certified Public Accountant (CPA)


Michael Eschmann

Managing Director

Michael joined REX Financial in 2022 as Managing Director of Business Development. He has over 20 years of experience across sales, portfolio management, trading, and capital markets. Prior to joining REX, Michael served as Head of ETF Capital Markets for Oppenheimer Funds. Before that, he was Co-Head of ETF Sales and Capital Markets at Direxion Investments. He holds a B.S. in Finance from Fairfield University.