Warren began his career working as a programmer for the British Civil Service in 1992, before writing code in the telecoms industry and then for a series of investment banks. Moving to Goldman Sachs in 1999, he worked initially in Global Economic Research in London and subsequently for the Firmwide Internet Group in New York. His principal responsibilities were to develop and support the firm’s institutional client-facing website, and to oversee the digital distribution of all client research globally.
Warren left Goldman Sachs in 2011 after 12 years to pursue freelance projects for clients including Barclays and the London Stock Exchange. In 2012, Warren joined Steve Cracknell at Zenti Inc, a Silicon Valley based tech-start-up as DevOps Engineer, strengthening the company’s artificial intelligence and machine learning capabilities. In 2017, Warren co-founded Insight with Steve Cracknell and assumed the role of Chief Technical Officer, overseeing the company’s software engineering proposition.