[citation needed] Gibb served in the Pacific theatre as part of the U.S. Navy from 1942-1945, retiring to the Naval Reserve with a rank of Captain.

[2] Originally an investment banker, Gibb moved to Vermont in 1951, settling in Weybridge and becoming a farmer, raising Angus cattle and sheep.

[1] Prior to his election to the Vermont General Assembly, Gibb served as chair of the Finance Committee of the Addison County Republican Party.

[1] Gibb proposed a series of strong environmental controls to Davis, in particular recommending the creation of a statewide zoning agency to regulate land development.

Gibb quickly announced his intent to run for the open seat, alongside incumbent Henry Ward Bedford, engineer and surveyor Joseph Widli, and former state senator Clarence Lathrop.