David Welch has been involved with Armstrong Siddeley cars since his father bought one in the 1950s. He has been a director and company secretary for the Armstrong Siddeley Owners Club and is currently the head judge at the club’s annual concours competition. He is also a trustee of the Armstrong Siddeley Heritage Trust and edits its journal, Siddeley Times, for which he writes a large part of the content. He has also contributed to classic car magazines.