Youngstown University (Bachelor of Arts, 1949). Youngstown University Law School (Juris Doctor, 1953).
With United States. Army Mechanized Cavalry, 1945-1947. Working as a partner of NEWMAN, OLSON & KERR. Admitted to the bar, 1953, Ohio. Major clients of LEONARD OLSON: GENERAL Counsel FOR: Society Bank of Eastern Ohip, The Metropolitan Savings Bank of Youngstown.
Saint Elizabeth Hospital Medical Center.
Blue Cross in Eastern Ohio, Catholic Diocese of Youngstown. Youngstown Auto Club (American Automobile Association), Barrett Cadillac.
The Youngstown Club. Citizens Budget Company The East Fairfield Coal Company
Lake Park Tool & Machine.
Incorporated, Nemenz Supermarkets, Youngstown Steel & Alloy. Scholl-Choffin Company (heating and plumbing engineers and construction). City Asphalt & Paving Company, Century Industries Corporation Winkle Electric Company
Youngstown Arc Engraving Company, The MoorePeterson Company
Micro-Matic Tool. Incorporated. Parkview Counselling Services.
Reliable Source of Metalwork, Youngstown Area Goodwill Industries, Incorporated, Trigg Marine & Supply. Incorporated, Barth Farms. Incorporated.
Youngstown Gymnastic Center.
Incorporated LOCAL Counsel FOR G M A C., Household Finance Company Ohio Fair Plan Underwriting Association Nationwide Mutual Insurance Company Grange Mutual Insurance Company
Allstate Insurance Company
Ohio Insurance Guaranty Association BuckeyeIndustrial Mining Company, Joe Dickey Electric, Incorporated.
Youngstown Rubber Products, Incorporated.
Mahoning County (Trustee, 1963-1965), Ohio State (Member, Junior Bar Committee, 1954-1957) and American Bar Associations. [With United States. Army Mechanized Cavalry, 1945-1947].