Tanner has 23 years of investment industry experience. Prior to setting up AEW UK (formerly ArbreIM) he was a managing director of the UBS UK real estate team, which he joined in 1994. He was responsible for investment strategy and new fund development, and was chair of the European product strategy committee. He was also the fund director of all UBS UK funds. From 1989 to 1994, he worked at Hillier Parker, which is now part of CBRE Investors. Prior to 1989, he managed a family farming partnership. Tanner has earned a bachelor of science degree (honours) from the University of London and a master of philosophy degree from Reading University. He is a Chartered Surveyor (MRICS).