James joined Balderton in 2013. Since then, he has led Balderton's investments in a number of sectors and geographies, covering healthtech, manufacturing, mobile productivity, developer tools and virtual and augmented reality. He sits as a board member and observer for multiple portfolio companies including Depop, GoCardless, Sophia Genetics, Sunrise (acquired by Microsoft), Cloud9 IDE (acquired by Amazon), 3DHubs and Kaia Health.

Prior to joining Balderton, James helped to launch and run one of the UK's first social venture funds, providing support and capital to social enterprises with a special focus on the education, healthcare and financial sectors. Before this James worked with entrepreneurs and businesses in Europe, the Middle East and Africa, with Atomico, the Guardian Media Group and as a consultant with McKinsey & Company.

As well as the professional experiences above, James has worked as an adviser to a number of start-ups and social enterprises, and in 2011 as a Specialist Adviser to Parliament.

James has an MA in Politics, Philosophy and Economics from Oxford University and occasionally lectures for the University on aspects of responsible capitalism and the social impact of technology.