He founded Michigan National Bank by merging several banks in mid-sized Michigan cities.
National Football League | Michigan | University of Michigan | National Register of Historic Places | National Hockey League | England national football team | World Bank | National Basketball Association | National Science Foundation | National Geographic | National Trust | National Endowment for the Arts | National Geographic Society | Argentina national football team | National Trust for Places of Historic Interest or Natural Beauty | National Park Service | National League | Australian National University | Michigan State University | National Guard | National Geographic Channel | National Institutes of Health | Bank of America | National Guard of the United States | National Collegiate Athletic Association | United States National Research Council | National Portrait Gallery | National Academy of Sciences | Indian National Congress | United States men's national soccer team |
As a resident of Battle Creek, Michigan, Olin served on the Battle Creek Community Foundation Board of Trustees (Grant Review Committee) and as a board member of Michigan National Bank (1983-1996).