Alexander co-founded RSe Consulting, a public sector consultancy specialising in Local Government.

He sold RSe Consulting to Tribal Group in 2008 and continued there for a year as a Director for Local Government specialising in supporting public sector organisations to work effectively in partnership and cut costs. Alexander is currently writing a book about the unique challenges faced by public sector managers and works with several start up organisations in areas including carbon off-setting, Chinese credit data and public sector cloud computing. At the Young Foundation he has been working closely with the Wellbeing project to explore ways of spreading their work more widely and has been an Uprising mentor for the past three years. He is also a trustee of Fight for Peace.

Prior to setting up RSe Consulting Alexander worked at the Financial Times Group in a number of roles.

Alexander became a Trustee of the Young Foundation in March 2010.