Herbert Hoover was a mining engineer and very successful at it.
Before his term as India's president, he worked as an aeronautical engineer with DRDO and ISRO
Herbert Hoover made his fortune as a mining engineer. He had an engineering degree from Stanford. Jimmy Carter worked in the navy in the nuclear submarine program and did work which he referred to as nuclear engineering.
Ronald Reagan was a leading man in movies and worked in TV for many years before he was president.
he worked as a lawyer and minister before he was president
Theodore Roosevelt was a respected author and rancher before the Presidency.
Before Harry Truman became President of the United States he worked at a bank. He also worked at his family's farm.
No harry s. Truman was not a engineer he was a oil driller a farmer and was in banking
Jimmy Carter was in the peanut business, before becoming President.
Yes, he was a machinist, then worked for the Edison Illuminating Company as an engineer.
ANDREW Johnson
Thomas Woodrow Wilson
There are several places that Obama worked before becoming president. He worked as director of the Developing Communities Project for three years in a church-based organization in Chicago among others jobs.