Colleen Sullivan is Co-Head of Venture at Brevan Howard Digital. Prior to joining Brevan Howard Digital, Colleen co-founded CMT Digital, where she was CEO and oversaw CMT Digital's crypto venture investing, trading, and policy initiatives. Prior to CMT Digital, Colleen was a partner in the CMT Group; co-founded boutique law firm, Sullivan Wolf Kailus; practiced in the Investment Funds and Derivatives group at Sidley Austin, and co-founded iOptions Group. Colleen is also a Founding Partner of the Alliance accelerator and on the Advisory Board of the Chamber of Digital Commerce.