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Setting the strategic direction

Our leadership team has decades of practice in managing and growing international technology services companies in several continents around the world. They have successfully directed businesses from start-ups and scale-ups through to blue-chip corporations. To support them, our technical teams have over 1,000 years of combined Microsoft and cyber security experience between them.

The Board

Federico Charosky

Founder & CEO

A risk and cyber security expert, Federico has held several senior positions in Europe, the Middle East, and the Americas during a 20-year career. He has served as the Head of Security at a Middle East bank and acted as a Senior Advisor for numerous prestigious blue chip and FTSE 100 companies.

John Wallace

Chief People Officer 

With over 20 years’ experience working in all aspects of human resources including resourcing, talent management and reward, John has held various senior strategic, leadership and consulting roles at RBS, Tesco Bank, Barclays and Gulf International Bank.

Quorum Cybers Chief Financial Officer Greg Aitken

Greg Aitken

Chief Financial Officer

Qualified as a Chartered Accountant, Greg has 15 years’ experience in the financial services and IT services sectors. As Quorum Cyber’s CFO since 2021, he has overseen an unprecedented period of growth in headcount, customer numbers and revenue.

Mark Lawrence

Chief Operating Officer 

Mark has over 30 years’ experience leading teams in high-growth environments in the UK’s IT industry. Among his former roles, he has been Operations Director and Managing Director for Vistorm Ltd, Hewlett Packard Enterprise, and AppSense.

Senior Leadership Team

Solutions Directors

Paul Cullimore

Solutions Director for Microsoft Defender

Paul has over 30 years of experience in the IT security industry and over 20 years working for Microsoft. His focus is the Microsoft Defender portfolio and advising customers on how to migrate from traditional on-premises solution to take advantage of cloud based security solutions.

Graham Hosking

Solutions Director for Data Security & AI

Graham helps customers to comply with industry regulations, manage data security, govern the data life cycle and prepare for Microsoft Copilot. Trained as a technical architect, he has over 20 years of experience – including six at Microsoft – in creating business strategies and delivering projects for diverse organisations.

Clive Watson

Solutions Director for Microsoft Sentinel

Clive leads the Detection Engineering team and the Microsoft Sentinel solution offering. He spent 18 years working for Microsoft and is a Microsoft Security Most Valuable Professional (Security MVP).

Ricky Simpson

Solutions Director for Identity

Ricky delivers identity security and compliance services for public and private-sector customers, helping them to maximise the value of their investment. With 10 years’ experience at Microsoft, his expertise lies in Microsoft’s productivity solutions (Microsoft 365), SIEM and XDR with Sentinel and Microsoft Defender, with a specialist focus on identity-based security.

Strategic Advisory Board

The Quorum Cyber Strategic Advisory Board acts as a navigation beacon and counsel for the company’s leadership team.

Bob Hayes

Bob Hayes is the Chair of Quorum Cyber’s Strategic Advisory Board. He spent 30 years working in senior positions in the UK Government, followed by 10 years as a Senior Fellow of the Microsoft Institute for Advanced Technology in Governments. Bob now acts as a non-executive director and advisor to several organisations.

Lesley Kipling

Lesley Kipling is the Chief Security Advisor at Microsoft. Lesley brings deep experience in security incident response, computer security, forensic investigations, and crisis management, and holds a Master of Science (M.Sc.) in Forensic Computing from Cranfield University.

David Aucsmith

David Aucsmith, a former naval officer and scientist in the US intelligence community, who is a Senior Principal Research Scientist at the Applied Physics Laboratory of the University of Washington and an Affiliate Professor of Computer Science & Engineering at the University of Washington. For 14 years, David was Senior Director for Microsoft’s Institute for Advanced Technology in Governments.

Andy Ellis

Andy Ellis is a former US Air Force officer, graduate of MIT, and a business executive with deep expertise in security. Andy led Akamai’s security as it created a billion-dollar cyber security business

Our Story

Get to know Quorum Cyber and find out what inspires us.

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