The team

Meet the people changing capital markets for good

Joe Sluys

Joe Sluys

CEO and co-founder

Joe launched his first fintech business when he was 24 and grew it to multi-million-pound revenues. An entrepreneur, economist and an expert in game theory, he’s the driving force behind SquareBook.
Richard Balarkas

Richard Balarkas

Chairman and co-founder

Richard pioneered electronic trading, founded the QCA, and served as president and CEO of Instinet. He has received lifetime achievement awards for his work on innovation in markets.

Mark Collins

Mark Collins

Chief technology officer

Mark has a PhD in artificial intelligence from the University of Edinburgh, and has been using his expertise in data science and machine learning in financial services since 2007.
Rich Kimber

Rich Kimber

Chief marketing officer

A marketer with expertise in editorial and UX, Rich has provided strategy and execution for major global publishers, B2B tech companies, and household names in ecommerce, travel, healthcare and more.

Siobhan McManus

Siobhan McManus

Investment partner

Previously head of global equity trading at AllianceBernstein, Siobhan has over 30 years’ experience in financial markets in New York and London.
Paul Anderson

Paul Anderson

Senior architect

Paul’s expertise in building software for the finance industry comes from more than two decades’ experience, with roles at major asset managers.
Rich McShee

Rich McShee

Buyside partner

Rich has worked at the coalface of IPOs and has experience in both product management and trading roles in financial markets. 
Neil Bond

Neil Bond

Buyside partner

A former head of trading, Neil has worked on both the buyside and the sell-side, along with experience at tech businesses.
Ryan Thompson

Ryan Thompson

Software developer

Ryan has a first class MEng and BEng Hons in software engineering, and has quickly become an expert in our backend connectivity projects.
Mark Parnell-Hopkinson

Mark Parnell-Hopkinson

Chief operating officer, co-founder

Mark has been in fintech since before it was fintech. He was founding CTO of PlusMarkets and has over 20 years in finance.
Bartosz Kubera

Bartosz Kubera

Software developer

A skilled developer, Bartosz had his hard work and talent recognised by the ScotlandIS Digital Skills Partnership in 2019.
Phil Dixon

Phil Dixon

Non-executive director

With over 25 years’ experience in banking and stockbroking, Phil was a founding partner and CFO at Code Securities, later bought by Nomura.
Jonathan Wood

Jonathan Wood

Head of finance

Jonathan’s experience as a senior finance professional has taken him around the world, from Kazakhstan to Uganda.

Advisory board

Fred Huibers

Fred Huibers

Advisor

An expert in auction theory, Fred spent over 20 years in capital markets before becoming a professor of fintech at Amsterdam University of Applied Sciences
Adam Conn

Adam Conn

Advisor

Head of trading and partner at Baillie Gifford, Adam is also a director at not-for-profit the Plato Partnership

Stuart Adams

Stuart Adams

Advisor

Stuart has over 25 years’ experience in senior business roles in financial services, as well as sport and media
Tom Whelan

Tom Whelan

Advisor

A partner at law firm McDermott Will & Emery, Tom is an expert in private equity

Henry Kenner

Henry Kenner

Advisor

An entrepreneur and environmentalist, Henry has over 30 years in financial services with leadership roles at Deutsche Bank, Swiss Re Capital and ABN Amro. He has led businesses through listings and is now also a NED at British fintech Curve.

Kevin Troup

Kevin Troup

Advisor

Passionate about sport and a board member of Scottish Curling, Kevin  has over 25 years’ experience in finance and was investment director, global equities at Standard Life