Stephen A. Lasota

Mr. Lasota serves as Chief Financial Officer of Cowen. Mr. Lasota was appointed Chief Financial Officer in November 2009. Prior to the consummation of the transactions that formed Cowen in 2009, Mr. Lasota was a Managing Director and Chief Financial Officer of Cowen Investment Management (formerly known as Ramius LLC). Mr. Lasota joined the firm in November 2004 as the Director of Tax and was appointed Chief Financial Officer in May 2007.

Prior to joining Ramius, Mr. Lasota was a Senior Manager at PricewaterhouseCoopers LLP.