Since 1960 the Invast Group has been providing sophisticated individual investors, Institutional investors, hedge funds and global brokerage firms with innovative, reliable access to the full spectrum of global financial markets.
"Superior access, expert analysis and bespoke investment products allow you to stay at the forefront of financial markets."

At Invast, our Japanese heritage infuses everything we do, ensuring we stay at the cutting edge of technology and best practice, while maintaining a strong culture embodying a dedication to service, diligence and forward thinking.

Prime Services Team


James  Alexander

Managing Director, Institutional Sales


James is a seasoned financial markets professional with over 10 years experience across both exchange traded and OTC derivatives. Having worked on the Institutional derivatives desk for a number of U.S. Investment Banks and Brokers, James draws upon this experience to deliver a first class Prime of Prime solution covering FX, CFDs, metals and oil to institutional and wholesale clients of Invast. He specialises in bespoke liquidity relationships for brokers, institutions, hedge funds, and professional money managers.

Geoff Last

Director, Institutional Liquidity


Geoff has 36 years experience in the financial markets. He specialises in providing optimised FX solutions to institutional traders, hedgefunds, 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.

Nick Briscoe

Director, Institutional Sales


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.

David Vanstone

Director, Institutional Sales


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.

Jush Athar

Associate Director, Client Services


Jush has over 10 years experience working within the finance industry. He was employed at City Index Group in their London Headquarters, where he worked in various departments including Risk, Client Management and as an Execution Dealer, gaining valuable experience. Jush was then transferred to the Australian regional office to work in the Business Development Team, then was promoted to Head of Client Services for Australia and New Zealand for the region. Now here at Invast, with Jush's extensive experience and skills, he now provides support to the Invast Prime Services Team, whose mandate is to provide tailored Prime Solutions to its clients. He develops specific strategies to enhance value and effectively addresses any issues. Jush's skills continue to strengthen whilst working closely with the Institutional Sales Team.

Wendy Tao

Associate Director, Premium & Institutional Clients


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 and premium clients in the Asian region.








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​Contact Our Prime Services Team

(Or we can contact you at your convenience)

Phone: +61 2 8036 7555

If you would like to make a general enquiry, please complete the form below and we will respond promptly.