Jonathan D.Guynn (Jon)


Dallas + 1.214.969.3793

Jon Guynn focuses his practice on complex commercial litigation, internal investigations, and white collar defense. He has represented individuals and companies in a broad range of industries, including aerospace, utilities, telecommunications, biopharmaceuticals, financial services, medical devices, food and beverage, and digital advertising. Jon also regularly represents clients in connection with complex and sensitive internal investigations and government inquiries.

Jon has a wealth of complex litigation experience, with an emphasis on trade secret, antitrust, and securities litigation. He has participated in and managed many aspects of litigation, from case inception through resolution, including conducting motion practice, fact and expert discovery, taking and defending depositions, and examining witnesses at trial.

Prior to joining Jones Day, Jon was an associate in the Newport Beach, California office of a trial focused litigation boutique, where he was a member of the firm's antitrust, appellate, mass tort, securities, and trade secrets practices. Jon is also an active pro bono attorney. He recently prevailed in a trial, securing a permanent restraining order for a victim of domestic violence as well as an order for full physical and legal custody of the victim's young children.


  • Beneficient Company Group acquires shares in GWG Holdings, Inc.Jones Day advised The Beneficient Company Group, L.P. (BEN), a provider of liquidity products and services to the owners of alternative assets and illiquid investment funds, in its acquisition of shares in GWG Holdings, Inc. (GWG Holdings), a NASDAQ listed company that is a leading provider of liquidity to owners of life insurance in the secondary market, previously held by GWG Holdings’ founding stockholders, Jon R. Sabes and Steven F. Sabes.