Steven Rimmer is the Chief Executive Officer at Altavair LLC (formerly Guggenheim Aviation Partners). He co-founded Altavair LLC in 2003 and is responsible for its overall strategy and management. Prior to co-founding Altavair, he founded XS Aviation Ltd. in 2000. Previously, he co-founded Curtis & Company where he remained a principal in charge of its London office from 1991 through 1999.

He has held senior management positions with several prominent firms in the commercial aviation industry, including Security Pacific Chief Executive Officer. Steve has been involved in the commercial aviation industry including world-wide aircraft and engine trading activities for 35 years.