Ambassador Profiles Ambassador Stephen Thomas Stephen Thomas has been a Shared Interest member for almost 20 years. He recently extended his commitment by becoming an Ambassador. Ambassador Stephen Hayes Stephen Hayes is a Shared Interest Society investor and Ambassador. Ambassador Tracy Mitchell Tracy is an investor and works voluntarily as an Ambassador for Shared Interest. Ambassador Pat Wallace Pat Wallace is a Shared Interest Ambassador and investor. Ambassador David Self Retired vicar, David Self, moved to Thornbury near Bristol eight years ago. David has been a Shared Interest investor since 1997. Ambassador Alejandro Garrido Alejandro has been a Shared Interest Ambassador for over two years.