Adrian Montague

Sir Adrian Alastair Montague (born February 1948) is a British solicitor and businessman. He was chairman of the insurance company Aviva from April 2015 to May 2020, and in July 2023 became chairman of Thames Water.

Early life
Adrian Alastair Montague was born in February 1948. He earned a master of arts degree from Trinity Hall, Cambridge.

Career
Montague began his career as a solicitor for Linklaters & Paines, where he worked from 1971 to 1994. He worked for the investment bank Dresdner Kleinwort from 1994 to 1997. In 1997, he joined the public sector to serve as the chief executive of the Private Finance Initiative Task Force at HM Treasury until 2000, and deputy chairman of Partnerships UK from 2000 to 2001. He was the chairman of British Energy from 2002 to 2009.

In 2008, when Montague was chairman of the insurance company Friends Provident, he turned down an offer from the private equity firm J.C. Flowers to take over the company for 150p a share, only to see Clive Cowdery's Resolution buy it 12 months later for a mere 79p a share.

Montague was the chairman of Aviva from April 2015, succeeding John McFarlane, stepping down in May 2020.

In June 2023, with the UK government reportedly on standby for a potential taxpayer rescue, Thames Water appointed Montague as its new chairman to lead fundraising efforts with effect from 10 July 2023.

Personal life
Montague has been married three times. He was married to Pamela Evans from 1970 to 1982; they had a son and two daughters. He was married to Penelope Webb from 1986 to 2009, and they had a son. In 2015, he was married for a third time, to Innes Daubeney.