Meet our leadership team

Our leadership team combine extensive experience gained from across the technology and financial services industries, at companies such as IBM, FTSE Group, Apama and Thomson Reuters.

guy warren

Guy Warren

Chief Executive

Guy joined ITRS in July 2014 as CEO and brings more than 25 years’ experience in financial services and technology businesses.

Guy had previously been a customer of ITRS, using Geneos to improve the availability of the real-time systems when he was COO of FTSE Group. He has also managed a financial services product business as the EVP & General Manager of Misys Banking, a leader in the core banking solutions market. Guy has a strong background in large blue chip organisations and more recently working with private equity backed companies. Earlier in his career, he was the CEO of Logica UK, a large professional services company.

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Daniel Storms CCO ITRS

Daniel Storms

Chief Customer Officer

Daniel joined ITRS as Chief Customer Officer in August 2021, bringing more than 25 years’ management and leadership experience in software companies serving major financial institutes.

Daniel has worked for global companies including Temenos, Fiserv, CSC and MasterCard, where he held senior management positions across the globe in their Services business. He has a strong background in Customer Success, acquisition integration and building large scale, world class professional services organisations.


James Colquhoun

James Colquhoun 

Chief Financial Officer

James has an impressive and diverse track record as a commercial CFO in high-growth businesses on an international scale. This spans venture and growth capital-backed businesses as well as large corporates.

With 15+ years in CFO roles, James has a strong background in corporate finance, business planning and analysis, and stakeholder relations.

Before ITRS, James was CFO at SightCall, a leading global video assistance platform.

linkedin James Colquhoun

Steve Christinson

Steve Christinson

Chief Technology Officer

Steve is an experienced Chief Technology Officer with a demonstrated history of leading innovative, high performance, technology teams in the Financial Services industry.

Steve believes in putting architectural simplicity at the core of the business IT estate; that is, the ability to innovate at pace while maintaining stability. He is motivated by utilising the entire production tools landscape to build resilient and responsive systems of a high quality.

Steve is highly proficient and active in programming, a strength which he applies to his hands-on approach to work. Day-to-day at ITRS Group, Steve is in charge of engineering management, C-level presentation/communication, technology strategy, technological aspects of M&A, and technology risk management.

Prior to joining ITRS Group, Steve worked with the likes of Itiviti, CameronTec and OrcSoftware. He has extensive experience working with both mature and new products to support the evolution of the IT estate.


Martin Nilsson CPO

Martin Nilsson

Chief Product Officer

With more than 20 years’ experience of B2B software and financial services technology, Martin joined ITRS Group in 2020 and became CPO in 2021.
Martin’s passion for business development, product strategy and go-to-market led to his co-founding Bee Analytics, to assist the public transport sector in Sweden to be more data driven – and sustainable - by providing Business Intelligence-as-a-Service.

Prior to Bee, Martin spent several years in the financial services technology industry with senior positions at Orc Software/Itiviti. He has managed global teams and employees in around 20 countries and has held many Board appointments as well.



Rob Jardine

Chief Marketing Officer

Rob joined ITRS in 2022. He is a versatile, commercially-focused CMO with more than 20 years experience in SaaS and technology marketing and consulting. He has a proven record of building high-performing marketing teams and driving demand generation by targeting the right audiences with compelling messages and content.

Most recently, Rob was CMO at LoopUp plc, a cloud communications provider. Prior to LoopUp he worked with private equity backed companies on sales and marketing strategy and execution. Previously, Rob worked as a strategy consultant with Bain & Company in Los Angeles and Melbourne. His focus at ITRS will be on accelerating organic growth and developing a strong corporate brand.


Tim Blunt

Tim Blunt

Chief Revenue Officer

Tim joined ITRS in May 2023. He has more than three decades of experience in enterprise technology sales. He has a proven track record of rapidly scaling businesses by implementing compelling commercial strategy and robust go-to-market processes. Most recently he was Chief Revenue Officer at CatchPoint, a digital performance analytics business. Previously he held various sales leadership positions at NICE, a global leader in customer experience solutions. As well as leading the global sales function, Tim will scale activities in North America from his base in Boston, US.


Laura Taylor Smith

Laura Taylor-Smith

Chief People Officer

With many years of HR experience across tech businesses, Laura has transformed the global people space in the four years she has worked at ITRS. She has built the team from the ground up, bringing employee engagement, facilities, and internal communications into the fold. Her enthusiasm and passion have translated into a seat at the executive table as Chief People Officer. When she clocks off, you’ll find her kickboxing, traveling, and spending time with her three children.




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TA Associates


TA Associates ranks among the 50 largest private equity firms globally. It focuses on investing in profitable and growing companies, typically in the technology, healthcare, financial services, consumer, and business services sectors. The firm has a long history of successful investments and is known for providing strategic support and resources to its portfolio companies to accelerate their growth. TA Associates is headquartered in Boston, Massachusetts, with additional offices in Menlo Park, Austin, London, Mumbai and Hong Kong.





Montagu Private Equity is one of Europe’s leading private equity firms and has been investing in businesses for over fifty years. Montagu’s investment strategy is focused on partnership with management in buyouts of high-quality companies operating in stable and growing sectors, providing products and services that their customers would badly miss. It develops a shared strategic vision with management and then provides the necessary financial, strategic and operational resources to help realise that vision and support growth.