Appointed in 2017 as London's first Chief Digital Officer, Theo leads on London-wide digital transformation, data and smart city initiatives at City Hall.

His role involves:

* strategic leadership on the digital transformation agenda for London's public services, across the GLA group and the wider public sector
* convening on behalf of the Mayor, across London local government to support the take-up of innovative, technology, and data-led approaches to service delivery and public engagement
* developing and promoting partnership between the public, private and community sectors to enable and support the development of new public service-oriented technology and innovation.