Calum is an Advisor at the UNDP Global Centre for Technology, Innovation, and Sustainable Development. He has led innovation, digitalisation, and smart cities programmes across the UK, Sub-Saharan Africa, and APAC. Calum has also worked on advising and scaling tech-driven enterprises, including startups focusing on secure networks and connectivity, digital identity, and safety and security. Calum has drafted and led legislation, policy, and strategy to rollout smart cities; delivered connectivity programmes (3G, 4G, and 5G pilots) and explored Internet-of-Things-related projects.

He has also led the development of service delivery initiatives such as chatbots, digital identity projects, and digital inclusion programmes. He has worked in local and national government, strategy consulting, and international development. Calum is also Co-Chair of the Digital Infrastructure Taskforce, part of the World Economic Forum’s G20 Working Group on Smart Cities, and a Panel Member of the Mayor of London's Infrastructure Advisory Panel. He has a BA (Hons) in Politics, an MSc in Development Studies, an MSc in Epidemiology, and is working on a PhD in Behavioural Science.