Aquis Exchange has appointed John Greenan as director, technologies.

The rival to the London Stock Exchange says Greenan will be responsible for leading the sales and contracting activities for its exchange infrastructure technology and services.

He will relocate to London for the role, and draws on over 20 years’ experience as the CEO of Alignment Systems, a consultancy providing global electronic trading expertise and strategic insight to investment banks, asset management companies, hedge funds, stock exchanges, interdealer brokers, trading venues and digital assets businesses.