After being educated at Repton School and completing his degree at Cambridge University, John started working as a journalist, first at Reuters and then at the Financial Times, where he edited the influential "Lex" column. From there he moved to Saatchi and Saatchi's US holding company, before co-founding Makinson Cowell, a specialist independent financial consultancy firm.
John, after receiving an education at Repton School and Cambridge University, began his career as a journalist, initially at Reuters and then the Financial Times, where he edited the influential "Lex" column. He subsequently joined Saatchi and Saatchi's US branch before co-founding Makinson Cowell, a specialized independent financial consultancy firm.