Our Team

Matt Colahan
Matt Colahan
- Phone:
- 1300 754 602
Matt is another local Gold Coaster who has traveled and worked overseas and is now enjoying being back home. He has considerable experience in commodity markets in Australia and Asia, his skills are primarily focused on providing our customers with the most important tool they need to make intelligent investment decisions, that is “Information” about spot prices, stock availability, Metal Account Statements and everything to do with the GBA systems and processes.
Matt’s current focus is upgrading all GBA’s information systems which will provide more functionality in buying, selling, trading and storing gold and silver.

Robbie Hoyes-Cock
Robbie Hoyes-Cock
- Phone:
- +65 94595211
Robbie hails from the United Kingdom and was educated and raised in Singapore where he has lived for just shy of 40 years. A graduate of United World College, Eton College and Bristol University and having a background in both banking and law, the vast portion of Robbie’s entrepreneurial career was spent building up one of the largest track-side, celebrity-driven Formula 1 events: The Podium Lounge in Singapore, Melbourne, Monaco and Abu Dhabi.
Robbie started his journey with our bullion companies as a sizable investor in our actively managed portfolio of physical precious metals and now heads up the international sales team for both The Gold Bullion Australia Group and Auctus Metal Portfolios.
Robbie is based in Singapore with his wife Anna and three young children Amelia, Athena and George and works out of our heritage shophouse offices at 23 Amoy Street.
Title: International Sales Director
Tel: +65 9459 5211
Email: robbie@goldbullionaustralia.com.au
LinkedIn: https://www.linkedin.com/in/robbie-hoyes-cock-39b963141/

Sarah Hogwood
Sarah Hogwood
- Phone:
- 1300 754 602
You would undoubtedly have communicated in some way with our Senior Sales Executive, Sarah Hogwood,. She has been with GBA for over 16 years and is not only the main contact for purchases and sales inquiries but she is the backbone of the company.
Before joining GBA Sarah spent over 20 years in various areas of fine jewellery industry including retail, wholesale and design.
In her spare time Sarah loves gardening, cooking and listening to music and spending time with her family including her “fur babies”.

Bernadette Murphy
Bernadette Murphy
- Phone:
- 1300 754 602
Bernadette has been a part of the GBA team for over a Decade now and is familiar with the company and the precious metals industry. Bernie is responsible for customer service and office administration as well as ensuring the business runs smoothly.
Bernie’s Mum was part of the original GBA team, so she is a real long-term family member. She has a large family to keep her very busy in her “spare time”.

Rebecca Luff
Rebecca Luff
- Phone:
- 1300 754 602
Rebecca is our Sales Executive in the Gold coast Office, she is your first point of contact when arriving at the GBA office.
Bec has more than 25 years Customer service experience, she is extremely professional and has a warm and friendly nature.
Bec was born in Melbourne, but has lived on the Gold Coast for decades.

Jay Husarek
Jay Husarek
- Phone:
- 1300754602

Jett Taylor
Jett Taylor
- Phone:
- 1300 754 602

Katie Lourey
Katie Lourey
- Phone:
- 1300 754 602

Elijah Gear
Elijah Gear
- Phone:
- 1300 754 602

Rachel Van Der Veen
Rachel Van Der Veen
- Phone:
- 1300 754 602

Jett Husarek
Jett Husarek
- Phone:
- 1300 754 602

Jaswin Brown
Jaswin Brown
- Phone:
- 1300 214 457

Mitchell Tomlinson
Mitchell Tomlinson
- Phone:
- 1300 214 457

GBA Redcliffe
GBA Redcliffe
- Phone:
- 1300 888 782
Cassie Blanck
Cassie was born on the Sunshine Coast where her family has over a 100-year history. Her career has spanned over 30 years in the construction industry. Ranging from accounts, project administration to design/construct of million-dollar properties.
With her husband Peter, they have been keen investors in precious metals over the years, which has led them into their current position of owners of Private Vaults Australia and the Brisbane arm of Gold Bullion Australia. Cassie is the senior sales manager for both companies in Redcliffe.
You will also find her ensuring the business runs smoothly and can assist with any customer service.
In her spare time, she delights in spending time with her children, grandchildren, friends and keeping a healthy balanced lifestyle.
Peter Hobson
Peter was born in Melbourne and moved to the Queensland as a young child so is technically a Queenslander. His background involves the ownership of many businesses and he has practiced as a Chiropractor in Nerang on the Gold Coast for over 25 Years.
With a passion for accumulating Bullion and many years of knowledge it made sense to assist others buying selling and storing their Bullion.
Peter and Cassie work together to assist anyone from the experienced Bullion Investors to the complete novice. They are here to answer any questions to help you.

Gold Stackers
Gold Stackers
- Phone:
- 1300 618 363
- Email:
- Melbourne@gbao.com.au
Kunal Sindhav
Office Manager – Melbourne
Kunal is our Office Manager and is also a Sales Executive with a particular focus on assisting customers invest for their Self Managed Super Funds (SMSF). He has been with Gold Stackers for 3 years and prior to joining the team was with ANZ bank.
Kunal has extensive financial services and banking experience, he enjoys keeping customers updated on the economic, supply/demand and market metrics that drive precious metal prices and adds value by working with customers to help them invest in precious metals with an understanding of investing through an SMSF.
Kim Ngo
Sales Executive
Kim Ngo is a Sales Executive in the Melbourne office, she has been part of the Gold Stackers team for two years. Prior to joining us Kim was with ANZ bank and has a background in banking and finance.Kim has an excellent understanding of precious metals for investing, she keeps up to date with the competitive environment, is extremely professional and has a warm and friendly nature that our customers love.
Sapan Shah
Sales Executive
Sapan Shah is a Sales Executive in the Melbourne office, he has been part of the Gold Stackers team for two years.
With several years of experience in customer facing role for leading Foreign Exchange business, he has built the ability to provide an outstanding service within any environment and ensure that he represent any business in professional and approachable manner.
Sandra Appleby
Sales Executive
Sandra Appleby is a Sales Associate in the Melbourne office who has recently joined the Gold Stackers team.
She has extensive financial service & banking experience having worked at the ANZ Bank for 20 years. She has a particularly strong focus on customer service.
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