He was born in Edgely, York County, Canada West and became an author and physician.
Kaiser attended Weston High School then the University of Toronto where in 1890 he attained his Doctor of Medicine degree.
He served on municipal boards in areas such as libraries, education, planning and water.
As an author, his books include Historic sketches of Oshawa (1921) and A history of the medical profession of the county of Ontario (1934).
Kaiser was defeated by William Henry Moore of the Liberals in the 1930 election.