Cowen Group, Inc. announced that Eric M. Rose has joined Cowen’s Options and Event Driven Strategies sales and trading team. Mr. Rose is a Managing Director and Senior Derivatives Trader with a focus on risk arbitrage and event driven situations. Mr. Rose will report to Kyle Solomon, Cowen’s Head of Options and Event Driven Strategies. Most recently, Mr. Rose was with Jefferies where he directed equity derivatives trading and risk management for the event/special situations and healthcare sectors.