Career

He became the chairman of the United Kingdom agency in 1982 and then in 1986 chairman of Saatchi and Saatchi International. His total calculated compensation is £453,000 per year. He regularly devises political advertising campaigns for the Conservative Party (United Kingdom), and created the "demon eyes" caricature of Tony Blair.

Sinclair is also a trustee of the Tony Blair Faith Foundation.

He is a governor Saint James School and is the organizer of the School of Economic Science"s annual event known as Art in Action at Waterperry. He is author of the book, Brutal Simplicity of Thought.