Wood Group has appointed Ian Marchant as its new Chairman following the retirement of Allister Langlands.Marchant has been a director of the oil and gas services company since 2006 and has been Senior Independent Non-Executive Director since May 2012. He was Chief Executive of SSE for more than 10 years before stepping down in June 2013, is Non-Executive Chairman of Infinis Energy and a Non-Executive Director of Aggreko.Langlands, who has been with Wood Group since 1991, started as Finance Director before becoming Deputy Chief Executive, then Group Chief Executive. He was appointed as Chairman in 2012."Ian has made an outstanding contribution to the board as a Non-Executive Director, as Chairman of the Audit Committee and, latterly as our Senior Independent Non-Executive Director," Langlands said. "Following his retirement as Chief Executive of SSE, the board and the Nomination Committee are delighted that he has agreed to succeed me as Chairman of Wood Group."RD