Leslie West (born Leslie Weinstein; October 22, 1945 – December 22, 2020) was an American rock guitarist, vocalist, and songwriter. He was best known as a founding member and co-lead vocalist of the hard rock band Mountain.
West married his fiancée Jenni Maurer on stage after Mountain's performance at the Woodstock 40th anniversary concert in Bethel, New York (August 15, 2009).
On June 20, 2011, West had his lower right leg amputated as a result of complications from diabetes.
West suffered a heart attack in his home near Daytona, Florida on December 20, 2020 and was rushed to a hospital in nearby Palm Coast where he never regained consciousness. After being contacted by Rolling Stone, West's brother Larry West Weinstein confirmed that Leslie West had died on December 22, 2020.