About Mainstream

The Mainstream Board comprises a diverse and skilled group. Together they form a complementary team leading Mainstream with strong commercial and strategic direction, sound governance and financial rigour.


Greg Haliday - OWNER & Managing Director

Mainstream-Board-Member1Greg is co-founder and owner of Mainstream, together with his wife Diane.

With extensive experience and proven performance in a number of roles with nationwide freight companies, Greg co-started Mainstream in 1992.

Greg's approach is innovative and solution-driven. His unrelenting can-do style and strong work ethic meant the business grew rapidly; successfully moving freight that was typically perishable, urgent, or just simply difficult.

Today Greg holds the positions of Managing Director and Chairman of the Board. His leadership style is very much hands-on and forthright. Day-to-day activities still include managing clients, many of whom had faith in Greg and Diane when they began using Mainstream in the early 1990s.

Paul Sills - DIRECTOR

LLB (Hons)

Mainstream-Board-Member3Paul is a Barrister, Business Adviser and Independent Director. He became a member of the Mainstream Board in an advisory capacity in 2009.

Paul has a proven track record for delivering results. His career includes leadership of eight companies serving domestic and global markets; including Europe, USA, Middle East and South East Asia.

Prior to his involvement in private business Paul held senior commercial law positions with some of New Zealand's most notable law firms.

Paul's experience as a skilled strategist combined with his senior operational and financial experience contributes considerably to the direction and growth of Mainstream.

Paul has been a member of the NZ Institute of Directors since 2008.

Robert Foster - DIRECTOR


Mainstream-Board-Member4After over 14 years providing professional accounting services and business strategy advice to Mainstream, Robert joined the Mainstream Board at its formation in 2009.

Robert has been a Senior Partner since 1992 with international accounting firm, BDO New Zealand. His strong commercial experience in facilitating acquisitions, financial planning and delivering business growth plays a significant role within the Board.

Robert is passionate about businesses achieving success through high quality and skilled people in key positions.

Robert is a member of the New Zealand Institute of Chartered Accountants.

Diane Haliday - OWNER & IT DIRECTOR

Mainstream-Board-Member2Diane is co-founder and owner of Mainstream, together with her husband Greg.

Diane achieved an accomplished career in Information Technology (IT) before co-founding Mainstream in 1992.

Diane manages the Mainstream IT Department and leads the Board on the company's infrastructure and investment strategy in Information Technology.

Mainstream Global proved to be the perfect partner when Seating Services started managing international freight on our overseas orders. Mainstream has been with us every step of the way and ensured we were fast learners when it came to international freight. Tight timeframes have always been met and we are constantly in the picture with regular updates - and all at competitive rates!

Rob Harris, Sales Manager, Seating Services Limited

call us today
Whangarei 09 272 8888
Auckland 09 272 8888
Hamilton 07 846 0970
Tauranga 07 541 1300
Hastings 06 879 7766
New Plymouth 06 755 4527
Palmerston North 06 357 8630
Wellington 04 576 0080
Nelson 03 547 9192
Christchurch 03 341 6663
Dunedin 03 455 6547
Invercargill 03 214 4500
Central Otago 03 448 6723
visit our contact page for further details