Royal Navy | Royal Air Force | Royal Dutch Shell | Society of Jesus | Royal Society | Royal Albert Hall | National Geographic Society | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Royal Marines | American Cancer Society | Royal Commission | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Life | Theatre Royal, Drury Lane | Royal Flying Corps | Royal Canadian Mounted Police | Royal Australian Air Force | Royal Artillery | Royal Festival Hall | Royal College of Art |
Bull was Admitted solicitor, 1928, served as Honorary solicitor to the Royal Life Saving Society, the Royal Society of St George and the League of Mercy, as Governor of the Upper Latymer Foundation School, as a Member of the Board of Management of the West London Hospital and Vice-Chairman of South Hammersmith Conservative Association and was Liveryman of the Worshipful Company of Mercers of the City of London.
In his role as governor, McCusker and his wife serve as the patron for a number of organisations and events, including the Perth International Arts Festival, Telethon, and the West Australian Ballet, and the Western Australian branches of Anglicare, the Royal Flying Doctor Service, the Royal Life Saving Society, the RSPCA, and St. John Ambulance.