William John Ruh is a businessperson who founded Castle Creek Financial LLC and Castle Creek Capital LLC and who has been the head of 7 different companies. Presently, Mr. Ruh is President at Ruh Advisory Corp., President of Cairn Capital Management Ltd., Chairman of First Chicago Bancorp and Chief Executive Officer & Chief Financial Officer at Empyr, Inc. Mr. Ruh is also on the board of Mocapay, Inc., United States Sailing Association, Inc., BIM Networks, Inc. and nCino, Inc. and Chairman for United States Sailing Foundation.

Mr. Ruh previously was Managing Principal at CCM Capital Opportunities Fund LP, Managing Principal at Castle Creek Capital LLC and Managing Principal at Castle Creek Financial LLC (a subsidiary of Castle Creek Capital LLC), Managing Principal at Aequitas Capital Management, Inc., Chairman of Ceres Group, Inc., Chairman for Indivos Corp., Director at Regency Bancorp (California), Vice President of Mabon Securities Corp. and Commercial Lending Officer at First National Bank of Chicago (Illinois).

William John Ruh received an undergraduate degree from SUNY Maritime College and an MBA from The Fuqua School of Business.