Graham is a Chartered Fellow of the Institute of Directors and a Fellow of the New Zealand Institute of Primary Industry Management. He was National President of the later in 1987/1988.
He was a founding director of Blue Sky Meats (NZ) Ltd, a public meat exporting company which employs about 350 staff and has a turnover of more than $100 million. The company was formed in 1986 and Graham was Chair from 2007 to 2016, when he retired from the board.
Graham was on the Council of the Southern Institute of Technology for 11 years, including being Chair from 2002 to 2011. During this time, zero fees were introduced and despite charging no fees, cash assets grew from about $2 million to $30 million.
He was an independent appointee to the Rugby Southland board in 1998 and Chair from 2007 to 2010. Graham was the Rugby Southland representative on the Highlanders franchise board (1999 – 2006) and was elected to the board of NZ Rugby in 2010. Six years on that board included 3 as Rugby committee Chair, 5 on the Audit and Risk committee and representing NZR on the Crusaders board following the Christchurch earthquake.
In 2012, Graham was a ministerial appointee to the NZ Racing Board, where he was Chair of the Dates, Net Proceeds Committee and Combined Racing Integrity Group as well as a member of the Audit and Risk committee.
Other governance roles covered club and regional sport, national meat industry bodies, a computing company, a local Government trading company and independent Chair of a law firm. Graham now lives in Tauranga.