NAG People

NAG is committed to a people-first philosophy, underscored by a culture emphasising collaboration and innovation. Central to our operations is a team comprising both highly acclaimed experts and skilled professionals. Our approach since 1970, continuing through our integration into the n2 Group, prioritises the development of talent and growth of our employees.

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Adrian Tate
Chief Executive Officer

As Chief Executive Officer at NAG, Adrian is responsible for the company’s overall strategic direction and execution. He leads NAG’s Executive Team and plays a key role in all areas of the business.


Adrian has a passion for bringing innovative solutions to market, and in the variety of business activities needed to do so. Adrian came to NAG from Cray, where he was the founding Director of the Cray European R&D Lab, leading Cray’s customer-focused business activities and collaboration projects. Adrian also worked in Cray’s CTO Office, developing new market-focused products and supporting the CTO in strategic planning.


Adrian’s technical background is in numerical libraries, having been the Technical Lead and Manager of the Cray Scientific Libraries team for several years.

Giulio Trimarco
Vice President of Engineering

Giulio is part of NAG’s Executive team and heads up the Research & Development function. Giulio plays a pivotal role in steering the company towards sustained competitiveness in both product excellence and innovation.


Giulio brings a wealth of experience from diverse engineering environments. From fast-paced startups to established industry giants such as ARM, Giulio has consistently been at the forefront of engineering leadership. Giulio has been instrumental in championing engineering best practices and building a culture of excellence within his teams.


Giulio is instrumental in propelling NAG forward, guiding its success and technological progress in computer science and engineering.

John Higgs
Chief Operating Officer

As Chief Operating Officer and Group Financial Controller, John is directly responsible for HR, Legal, Finance, IT and Sales Support functions at NAG Ltd and financial management, planning and reporting for the NAG Group. He is a member of the leadership team that sets commercial strategy for the NAG Group.


John has worked in project and program management roles in FTSE 100 based companies in both the telecoms and financial services sectors. Prior to this, John was Finance Director of an academic journal publisher, having qualified as an accountant in practice.

Ian Wilson
Chief Innovation Officer

As Chief Innovation Officer, Ian is directly responsible for developing innovative new business lines for the NAG Group. He is a member of the Executive Team that sets commercial strategy for the NAG Group.


Ian has significant leadership experience as a board advisor, founder, CEO, and executive director in a range of businesses from fast-growing start-ups to major global organisations, having recently served as the Global Head of Artificial Intelligence at the world’s 10th largest bank, HSBC.


Ian’s career has spanned 3 continents, across America, Europe, and Asia, covering industries from Military Simulation to Financial Services.

Jem Davies

Jem is a highly experienced business leader and technologist having previously served 18 years at Arm. He is a former Engineer and was an Arm Fellow holding multiple patents. Jem’s career moved into business management and he became a GM first in Arm’s Media Processing Groups, then the founding GM of their Machine Learning division. In addition to setting future technology roadmaps, he also worked on several acquisitions leading to building new businesses inside Arm. Jem left Arm in 2021 and currently has a portfolio of non-executive and chair roles. Jem will help NAG execute on transformative strategy, focus on product and service innovation, and explore new market positions.

Xiang Fan
Non-Executive Director

Xiang is a highly proficient programme director with over 15 years of experience in investment banking and financial services. Specialising in steering multi-million-pound, multi-year cross-functional investment programmes spanning Technology, Trading, Quant, Risk, and COO domains, she brings a wealth of expertise to her role.


Xiang’s career has seen her lead various change functions within counterparty & credit risk, credit derivatives and investment services at NatWest Markets, Deutsche Bank, Barclays Capital, and Bank of New York Mellon. She has an Investment Management Certificate, a Master of Science in Information Technology and a Bachelor of Engineering in Engineering Economics.

Jordan Giddings

Non-Executive Director

Jordan is a recognized leader driving innovation in systems, data, cyber, and technology across academia, the private sector, and government. With expertise in dual-use technologies, complex systems, cyber, AI, and data sciences, Jordan is dedicated to co-creating capabilities for long-term impact.


Having served as a Board member and Chair in commercial and governmental sectors, including a Non-Executive Director at the Met Office, he has delivered a number of senior roles for the UK MOD and broader National Security community. Jordan now works primarily as an independent adviser. He holds visiting professorships at UCL, Cranfield School of Defence and Security, and the University of Hertfordshire, and visiting fellowships at Imperial College and Loughborough. Professionally, he is a Fellow of the Institution of Engineering and Technology, Institute of Physics, and the Royal Society of Arts.

John Elmer

Non-Executive Director

John is an experienced industry professional having spent 27 years, and ten as CEO, at strategy firm Gelb Consulting. John joined the Board of Directors of Endeavor Management after merging Gelb with Endeavor in 2011.


His current venture, Bayard Bradford, integrates sales and marketing technologies with enterprise IT systems to provide a strategic toolkit for managing revenue growth.

Dominik Ulmer

Non-Executive Director

Dominik Ulmer is the owner of the Swiss company DUSC GmbH, offering consulting services in the field of HPC and supercomputing. Until March 2020, he was Sr Director HPC&AI Technical Sales EMEA at HPE.


Prior to that, Dominik was Vice-President Business Operations EMEA at CRAY and General Manager of the Swiss National Supercomputing Centre CSCS. He has held leadership positions in IT management in industry and public sector in Germany and Switzerland.


In his early career, he worked as a research scientist, focussing on modelling sedimentation processes and geological basin formation. He has also served as an expert evaluator and reviewer for HPC research project proposals submitted to the FP7 R&D funding programme of the European Commission. Dominik holds a graduate degree in geology from Albert-Ludwigs-Universität, Freiburg im Breisgau, Germany.

Stephen M. Watt

Non-Executive Director

Stephen Watt has been Professor of Computer Science at the University of Waterloo since 2015, where he is past Dean of the Faculty of Mathematics.


Prior to that, he was professor at the University of Western Ontario and the University of Nice-Sophia Antipolis and held research positions at INRIA and IBM Research. Watt’s research focusses on compilers, mathematical software and machine learning and he is co-author of several software packages and standards, including Maple, Axiom, Aldor, MathML and InkML.


Watt has served as board member or chair of several private and public sector organizations, including the Descartes Systems Group (NASDAQ:DSGX, TSE:DSG), Maplesoft, Kognitiv, Big Road, Waste Diversion Ontario and the McMichael Canadian Art Foundation.

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