Greg King

Greg King

Formal First Name
Gregory (Greg)

Greg King is a renowned serial entrepreneur recognized for bringing innovation and transformational product engineering to the ETF industry. Greg is the Founder and CEO of REX Shares, a leading provider of exchange-traded products. He launched REX Shares with a focus on creating products that help investors navigate turbulent markets and preserve wealth. He is also the Founder and CEO of Osprey Funds, a premier digital asset management firm that offers secure, transparent, and cost-effective access to select digital assets. Greg is an innovator in the field who has launched over 100 ETPs including the first ETPs tracking VIX, broad-based commodities, and FANG stocks. Previously, he co-founded VelocityShares, which was acquired by Janus in 2014. He has also led the ETF Product and Marketing teams for Credit Suisse, Barclays and Global X Funds.

Professional Experience

Academic History


  • Greg has created and launched exchange traded funds and notes for Barclays, Credit Suisse, and Global X Funds.

  • He has spent his career creating vehicles that enable investors to access complex risk exposures.

  • He was EVP and Head of Product Development and Strategic Ventures at Global X Management Company.

  • He created the iPathâ„¢ platform for Barclays in 2006.


  • Greg has appeared in numerous financial publications, including CNBC and Bloomberg TV.

  • He has been quoted in industry publications such as Forbes, Wall Street Journal and Barrons.

  • He has appeared as a guest on Real Vision.