Hi! How can we help You?

By liquidity news Financial Market September 15, 2025

John Greenan Joins Aquis Exchange as Director, Technologies

Aquis Exchange has appointed John Greenan as Director, Technologies. It’s a crucial time for Aquis as it is solidifying its position as a leader in electronic trading infrastructure and 24×7 trading solutions. The appointment is an indicator of the company’s direction towards innovation and client-focused services.

Who is John Greenan?​

Greenan has more than 20 years of experience in electronic trading. He advised global institutions, including investment banks, hedge funds, stock exchanges, and digital asset businesses, as CEO of Alignment Systems. His career spans four continents. It covers multiple asset classes such as equities, FX, fixed income, futures, options, and digital assets.​

He is widely regarded as a thought leader in the industry. His expertise combines market knowledge, technical skills, and commercial insight. Greenan has built strong relationships with brokers, vendors, and exchanges. He is known for driving digital transformation in trading systems and workflows.​

John Greenan Joins Aquis Exchange as Director, Technologies
John Greenan Joins Aquis Exchange as Director, Technologies

Role at Aquis Exchange​

At Aquis, Greenan will lead sales and contracting for the company’s proprietary exchange infrastructure technology and services. He has relocated to London for the role. He will be advancing Aquis’ 24×7 trading technology — an area where the company already holds an industry leadership position.

​About Aquis Exchange

Alasdair Haynes founded Aquis Exchange in 2012. It is a pan-European trading platform based in London. It offers a subscription-based model for trading cash equities across 16 European markets. The company charges users based on message traffic rather than trade value. Aquis also develops and licenses exchange technology through its Aquis Technologies division. In July, Aquis Exchange appointed Thomas Downes as its new Head of Markets.​

Summing Up

The appointment shows Aquis Exchange’s intent to expand its global presence in trading technology. The company is ready to strengthen its role as a top vendor for electronic trading infrastructure and 24×7 solutions.
Register your company now and get featured on our homepage!

Subscribe to the Liquidity24 Newsletter for the updates in financial markets!

[sibwp_form id=1]