He joined them as a sound engineer in 1975.

Walter Francis Ainslie born, 1865 joined his father as a civil and mining engineer in 1887.

He joined Booz, Allen in 1965 as an engineer and became a partner in 1971.

In 1949, he joined General Analine and Film as an industrial engineer.

He then joined a company in Salt Lake City as an engineer.

Following his graduation, he joined a mining company as an engineer in its power plant.

He joined IBM in 1967 as an engineer, but moved into management positions which led him to his most recent position.

He joined the company as an engineer in 1973.

Thereafter he joined the Indian Railways as an engineer.

He graduated with a major in electrical engineering and joined the Grumman Corporation as an engineer.