Jackie Rose has joined Cowen Digital as director, institutional sales. working with the PolySign and MG Stover teams to offer the full suite of execution, custody, fund administration and prime brokerage services, including research and cap intro. Rose was previously head of institutional business development at Blockchain.com. Launched in March 2022, Cowen Digital is the digital assets division of Cowen, a U.S.-based financial services firm. It has a strategic partnership with PolySign and its subsidiaries, Standard Custody & Trust and MG Stover.