Tangen was previously Chief Executive Officer and Chief Investment Officer in AKO Capital, which he founded in 2005. He also set up the AKO Foundation in 2013, which supports charitable initiatives to improve education, promote the arts and mitigate climate problems. Prior to this, Tangen was a partner and senior analyst at Egerton Capital and an equity analyst at Cazenove & Co.
Tangen holds a Bachelor’s Degree in finance from the Wharton School and Master’s Degrees in the History of Art from the Courtauld Institute of Art and in Social Psychology from the London School of Economics. He has also studied Russian at the Norwegian Armed Forces’ School of Intelligence and Security.