Cowen Inc. announced that it has appointed Mark Kelly as managing director and global head of Alternative Equity Strategies for Cowen Execution Services Limited (CESL). In his new role based in London, Kelly will report to Matt Cyzer, CESL chief executive officer. Kelly has more than 20 years of practice and deep expertise advising a broad range of investors on how to navigate event-driven investment opportunities and catalyst-driven special situations. He has previously spent 11 years at Olivetree Financial Limited, where he served as the firm's European chief executive officer and global head of Event Driven. During his career, Kelly has also spent three years at Morgan Stanley and six years at Merrill Lynch where he worked in Equity Sales.