Colleen Sullivan is Co-Head of Ventures at Brevan Howard Digital. Prior to joining Brevan Howard Digital, she co-founded and served as CEO of CMT Digital, where she was also a partner with the broader CMT Group. Colleen commenced activities in the crypto industry in 2013. Before starting CMT Digital, she co-founded Sullivan Wolf Kailus, a boutique law firm specializing in hedge fund, private equity, venture capital, digital assets, and other alternative investment products. Colleen previously practiced law in the Investment Funds and Derivatives group at Sidley Austin LLP. At age 25, she co-founded iOptions Group LLC, which developed hedging and monetization strategies for holders of employee stock options.