Simon has been Cabinet Member for Economic Growth and Housing Development since May 2017. In this role he has brought forward one of the most ambitious house building and regeneration programmes in London, introducing new and challenging targets for affordable housing. This has included launching the first 100% affordable housing development with the GLA. 

Simon is leading the Waltham Forest's economic response to COVID, including the culturally led regeneration of Walthamstow town centre and key strategic sites across the borough as well as leading work to refresh the Borough’s approach to work and learning to help support residents post Covid.

Simon first stood as a Labour Candidate for Leyton ward in the 2010 elections and has worked for Leyton and Labour locally ever since. He was elected in 2014. Simon is currently Head of Government Affairs at Three Mobile.