Matthew D. Le Master Heller Ehrman, Seattle Matthew D. Le Master is an attorney with the law firm of Heller Ehrman. Previously, he was a principal with the Seattle law firm of Riddell Williams P.S. He is a member of Heller Ehrman’s corporate/venture law practice group. He has extensive experience advising public and private companies with mergers, acquisitions and corporate matters. He received his B.S. degree from the University of Oregon and J.D. degree from the University of Washington.[September 2008]