Prime Services

Meet our Prime Services Team



Nick Briscoe

Director, Head of Prime Services


Nick has a wealth of experience working across global listed and OTC derivative markets in both voice and electronic environments. He is presently completing the Chartered Financial Analyst (CFA) program, has an engineering background and specialises in combining technical skill and knowledge of global markets with a deep desire to understand client needs to provide optimised prime services solutions.

Geoff Last

Director, Prime Services


Geoff has 36 years experience in the financial markets. He specialises in providing optimised FX solutions to institutional traders, hedge funds, HFTs, brokers and banks. Geoff has worked as a trader and broker at many global investment banks including Citibank and Westpac. He was the first trader to make the market when the AUD/USD originally floated in 1983. Geoff ensures that all Invast clients and partners experience the best possible trading environment.

David Vanstone

Director, Prime Services


David previously worked as part of UBS Investment Bank’s Prime Services Sales team in London. There he was involved in all aspects of selling UBS’ derivative execution and clearing services to Hedge Funds, Asset Managers, Corporates and Banks. He has a strong knowledge of the impact of Basel 3 Capital rules and the impact on the industry having been involved in re-pricing derivatives products for new and existing Prime Services clients.

Wendy Tao

Director, Prime Services


Wendy has a Bachelor of Commerce (BCom), Accounting and Finance from the University of Sydney. She can speak fluently in Mandarin, Cantonese, Shanghainese and English, whilst studying Japanese recently. Wendy has previously worked at an established Singapore brokerage firm as well as a Chinese brokerage in a trader's associate role. She is currently completing her Chartered Financial Analyst (CFA) program, and holds a RG146 certification. Wendy continues to specialise in servicing financial institutions in the Asian region.

Christen Meli

Associate Director, Prime Services


Christen holds a Master of Commerce (MCom), Finance from the University of New South Wales. He specialises in providing multi-asset prime services to retail brokers, hedge funds and proprietary trading firms around the world. Christen has previously worked at one of the world's largest foreign exchange brokerages, where he was responsible for optimising liquidity, trade analysis and improving business efficiency. 

Cassandra Poon

Associate, Prime Services


Cassandra is studying a dual Bachelor of Commerce/Bachelor of Laws (BCom/LLB) degree at the University of New South Wales. She has also completed an exchange business program at the London School of Economics and Political Science. Prior to Invast, she worked as a paralegal and began her career in public relations. Bilingual in English and Cantonese, she joins Invast as we expand our Asia-Pacific operations.

Ben Goddard

Associate, Prime Services


Benjamin is studying a Bachelor of Business (BBus), Accounting and Finance from the University of Technology, Sydney. He has also completed an exchange business program at the London School of Economics and Political Science. Benjamin has gained valuable experience within corporate restructuring and debt advisory in his previous roles. He joins Invast as we continue to establish our international prime services team.








Contact Our Prime Services Team

(Or we can contact you at your convenience)

Phone: +61 2 9083 1333

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