As a Master of Voice, Stewart has a reputation for training the actor, and his last position was helping to pioneer Shakespeare’s Globe Theatre between 1997-2010. Stewart has coached world famous actors, such as Oscar winner Eddie Redmayne, Matthew Goode, Hugh Bonneville of “Downton Abbey,” Oscar winner Sir Mark Rylance, Simon Callow CBE, Dame Vanessa Redgrave, Michelle Williams, Minnie Driver, Margaret Thatcher, Diana, Princess of Wales, and the London 2012 Olympic Bid, to name just a few.