Greg completed his Bachelor of Commerce Degree at The University of Western Australia in 1988. Post graduation he was employed by KPMG Peat Marwick (now KPMG) for approximately four years in their audit division where he was responsible for supervising the audits of a diverse range of entities including publicly listed companies. During his employment with KPMG Peat Marwick he undertook his professional year of study and gained associate membership to the Institute of Chartered Accountants.
In 1995 Greg commenced trading as a sole practitioner providing audit, accounting taxation and financial planning services to a wide range of clients.
In 2001 Greg established a business partnership with Adrian Sloan forming the chartered accountancy practice, Brennan Sloan. The business has employed numerous professional and administration personnel over the years.
On 17 June 2010, Greg was advanced to the status of Fellow of the Institute of Chartered Accountants.
Greg personally provides taxation, accounting and business advisory services to a large number of very successful small and medium business enterprises (SMEs).
Greg is married with four children and is actively involved in the sport of Athletics as a competitor, coach and official. He is also the chairman of the finance committee of St Paul’s Catholic Church Mt Lawley.