Peter Cianchette

Cianchette was appointed ambassador by President Bush and sworn in on May 8, 2008. He presented his credentials on June 12, 2008 and served until June 19, 2009. He was the 56th person to hold the position and was succeeded by Anne S. Andrew.

Cianchette served two terms as a Maine State Representative (1996–2000) from South Portland and Cape Elizabeth and was the Republican candidate in Maine's 2002 gubernatorial election, making a credible showing. He served on the National Republican Committee and as the Maine General Chairman of the Bush-Cheney 2004 re-election campaign.

Cianchette worked in Cianbro's Dragon Products cement division until 1985. In 1985, he moved to the South Portland area and worked in business there with The Cianchette Group, a public affairs management and business consulting firm; the Portland-based private investment firm, CHK Capital Partners; and, starting in 1998, the business and public affairs consulting firm, Pierce Atwood Consulting, where he served as chief operating officer and executive vice-president.

Peter Ernest Cianchette (born June 21, 1961) is an American diplomat, businessman, politician and former United States Ambassador to Costa Rica.

Cianchette was raised in Pittsfield, Maine. He attended Maine Central Institute and worked as a youth for the Cianbro construction and construction services company which his father, Ival "Bud" Cianchette, and his uncles, Ken, Carl and Chuck, founded in 1949. Cianchette was graduated from the University of Maine with a business administration degree.