A former cohead of tech at Goldman Sachs has joined a startup that wants to be the iOS of Wall Street

A little-known startup that has quietly amassed over 100,000 Wall Street users has appointed a Goldman Sachs veteran as an independent board member.

Paul Walker, the former cohead of technology at Goldman Sachs, has joined the board at OpenFin, a startup that helps electronic-trading firms build their desktop applications.

Bain Capital Ventures, Pivot Investment Partners, and Nyca Partners have already invested in OpenFin, as have the likes of Cris Conde, former CEO of SunGard, and Tom Glocer, former CEO of Thomson Reuters.

Walker retired from Goldman in 2016 after 15 years with the Wall Street titan. Walker joined the firm in 2001 as a vice president in FICC strategies. He made partner at the firm in 2008.

OpenFin is looking to become Wall Street’s version of what the iOS and Android platforms are to the mobile application space. The firm currently powers applications licensed on 125,000 desktops. Mazy Dar, the CEO of OpenFin, believes Walker’s expertise in technology will help drive the company’s growth in the future.

“Paul’s experience at Goldman building risk systems and co-heading the firm’s 9000 person technology organisation gives him a unique perspective on how our customers will benefit from the OpenFin platform,” Dar said.

OpenFin finished a $US15 million round of venture funding backed by JPMorgan in February 2017.

Matt Turner contributed reporting

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