What did theodore roosevelt do before he became president

The answer is: New York's governor.

Explanation:

*One year after entering law school he dropped out to enter public service.

* 1881-elected to the New York State Assembly at the age of 23, and served two terms (1882-84).

*1888 - a job on the U. S. Civil Service Commission

*1895 - president of the New York City Board of Police Commissioners

*1897 - assistant secretary of the U. S. Navy

*1898 - colonel of the First U. S. Volunteer Cavalry

*1899 - New York's governor

* He was sworn in as the 26th president, after McKinley got shot on September 6, 1901.