Leading through innovation & experience

The Target Defense executive team is made of experienced business leaders and innovative security experts to reinvent what it means to be a cybersecurity vendor. With their years of experience, the Target Defense team collaborate to create security services that worker smarter for businesses.

Target Defense is proud of the hardworking, ethical, security-first culture in our organization and that begins at the top. Our executive leadership team inspires everyone at Target Defense to keep everyone, from SMB to Enterprise to Government, protected from cyber threats.

Mark Boost

Mark Boost Chairman

Mark is a serial entrepreneur with a proven track record of rapidly growing tech companies. He founded Target Defense is response to the rapid demand for cyber security services in the US after building one of the fastest-growing cyber security businesses in the UK. Target Defense is built on Mark’s vision of driving innovation and disruption through the security industry to offer smarter security solutions.

Oliver Pinson-Roxburgh

Oliver Pinson-Roxburgh CEO

Oli is CEO of Target Defense and is armed with 20+ years of experience in IT security. His technical background in developing and growing innovative cyber services provides him with a unique perspective on driving forward Target Defense. He’s an authority on business security voice and strongly believes in sharing cybersecurity knowledge.

BTech, Electronics & Electrical Engineering, University of East Anglia

Gary Geasby

Gary Geasby CFO

Gary is a Top 4 Chartered Accountant with over 30 years’ commercial experience in the technology, data & media sectors. As a driven and proactive finance leader with a track record of delivering change, Gary adds value and drives a performance culture throughout Target Defense. Gary is candid communicator with strong values, and acts on his passion to get things done.

BSc Accountancy & Financial Analytics, University of Warwick

Nicky Whiting

Nicky Whiting Managing Director

Nicky has a strong commercial acumen and a specific focus on excellence in delivering Target Defense services. Her drive and passion for the compliance and cyber security sector has enabled her to demonstrate a track record of building highly effective teams. Nicky has been responsible for significant commercial growth of key consultancy services within Target Defense, including Penetration Testing.

MSc Information Security, Royal Holloway, University of London

BSc Mechanical Engineering, University of Westminster

Certificate of Management, The Open University

Jon Foley

Jon Foley Sales Director

Jon is an experienced sales director with 10+ years of sales leadership experience in the tech field. He has a proven track record of success in leading and motivating sales teams, from standing starts to multi-million-dollar revenue. As a strategic thinker with a strong focus on results, Jon is passionate about driving growth and installing a relentless customer-first mindset.

BSc Marketing, University of Roehampton

Sam Mansour

Sam Mansour, CIPD HR Director

A CIPD & MA qualified HR professional with over 20 years’ experience at operational and strategic levels. With demonstrable experience in successfully delivering creative and relevant HR solutions that are aligned to the business strategy, she is also an experienced coach who is passionate about helping managers and leaders reach their full potential and improving their performance at work.

MA Human Resource Management, University of Westminster

Psychology, University of London

Matthew Sprague

Matthew Sprague Head of Sales

Matt serves as the Head of Sales at Target Defense and is responsible for all revenue related operations in the US. Specifically, he leads new customer acquisition, retention, and the US partner program. Matt joined Target Defense in August 2020 and under Matt’s leadership, Target Defense has experienced double digit growth year over year. By making key hires and developing talent from within, Matt has been able to build an experienced and strong sales team at Target Defense.

BSc Physics, Radford University

Jordan Constantine

Jordan Constantine Head of Penetration Testing

Jordan is one of the lead Target Defense Penetration Testing Managers, leading a team of competent, industrious and detail orientated penetration testers. As a skilled penetration tester, social engineer and red teamer, Jordan knows what it takes to drive excellence through Target Defense penetration testing teams.

BSc Ethical Hacking, Abertay University

Your best defense against cyber threats

Supported by our leadership team, Target Defense has a proud history of driving innovation through its cyber security products. We believe in leading by example and driving the industry forward to promote the best standards of cyber security for organizations in every industry. Target Defense has total control over every aspect of its service delivery, enabling us to offer maximum-security cyber threat protection services. Our organization is certified by international security standards, including CREST (penetration testing) and ISO 27001 (information security).

Our experts are the ones to trust when it comes to your cyber security