Sam worked in the City of London for almost thirty years and is the former Chief Executive of Mizuho International. More recently, he has dedicated much of his time towards assisting third sector organisations in becoming more effective in alleviating disadvantage.

Currently, he is the Chairman of Thetford Academy in Norfolk, Chairman of the Foundation and Growth Committee at Pilotlight, and a Trustee of the Kensington and Chelsea based Campden Charities.