Sir Stephen is best known as a businessman, philanthropist and investor. He is the founder and director of the Warehouse Group which he started in 1982, and he has had a long association with Emirates Team New Zealand having backed the team for more than 15 years. Since he was appointed Chairman of the Board of Directors he’s been directly involved in the team’s management. As an investor in New Zealand enterprises, he has made substantial investments through K1W1 and seed venture capital into a large number of startup and early-stage businesses. 

In 1994 Sir Stephen and his wife established the Tindall Foundation to provide help to New Zealanders in need.

In 2009, he was made a Knight Companion of the NZ Order of Merit, 2007 Distinguished Companion of the NZ Order of Merit; 2006 The Sir Peter Blake Leadership Medal.