In 1928, Sigler was the
Democratic candidate for
Michigan Attorney General, yet was unsuccessful losing to Republican
Wilber Marion Brucker, who was elected
Governor of Michigan two years later. Sigler would later switch to the Republican Party. In 1942, he was a candidate in the Republican primary from the
8th District for a seat in the
state senate. He was also a member of
Rotary International. On November 5, 1946, Sigler, nicknamed
Hollywood Kim, was elected Governor of Michigan, defeating former governor
Murray Van Wagoner in the general election. During his two years in office, state agencies were reorganized and the department of administration was created. In 1947, he received his
Private Pilot License. In 1948, he served as a delegate to the
Republican National Convention, which re-nominated
Thomas Dewey as their candidate for U.S. President to defeat President
Harry S Truman, yet Dewey was again unsuccessful as he was against
Franklin Roosevelt four years earlier. Dewey carried Michigan, but Sigler was unsuccessful that year, as he was defeated for re-election for governor by Democrat
Soapy Williams. After running unsuccessfully for re-election, Sigler left office on January 1, 1949, and retired from political life. ==Retirement and death==