Stewart sits as a Non-Executive Director on the Homes for Lambeth Group Board and is Chair of the Homes for Lambeth Build Board. He is Non-Executive Director and Chair of the Development and Investment Committee for One Housing and also Non-Executive Director and trustee of Tara Developments a housing, civil engineering and groundwork’s company. He has an extensive background in housing, having worked at affordable housing specialists Lovell Partnerships for 21 years. He retired as Managing Director in 2017.