He graduated from Political Science Department of Tokyo University (1917). Passed Higher Civil Service Examination.
Gen Shimizu made inspection tours of Europe and America. Served as administrative official of Social Bureau, director of Social Insurance Bureau and director of Seimei Hoken Toseikai (Life Insurance Control Society) and thereafter became chief director of Shakai Hoken Shinyo Hoshii Shiharai Kikin (Fund for Payment for Medical Treatment Through Social Insurance) (since 1948).
Held additional post of chief director of Workmen's Accident Compensation Insurance Association.