# Ron Weiser **Ron Weiser** (b. 1945) is a Michigan real-estate billionaire (founder of McKinley, Inc.), Republican megadonor, and former chair of the Michigan Republican Party who has long been one of the state's most influential GOP financiers. A former U.S. ambassador to Slovakia and a University of Michigan regent, he has poured tens of millions into Michigan and national Republican campaigns and party infrastructure. He recurs in the KB as a state-level node in the [[Dark Money]] and party-finance networks. This is a stub — expand with the MIGOP tenure, the donor network, and the regent controversies.