Jack Duff
Group Head of Cyber Security at Phenna Group | Hebburn, England, United Kingdom
Jack Duff’s Email & Phone Number
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Group Head of Cyber Security at Phenna Group in December 2025 - Present
Senior Security Consultant Lead at Arctic Wolf in August 2024 - December 2025
Senior Security Consultant at Arctic Wolf in November 2023 - August 2024
Cyber Advisor at Ontinue, the MDR division of Open Systems in October 2022 - November 2023
Security Engineer at Waterstons in November 2021 - October 2022
Security Consultant at Waterstons in April 2021 - November 2021
Newcastle College, Bachelor's degree, July 2026
Phenna Group is a global family of specialist businesses delivering Testing, Inspection, Certification and Compliance (TICC) services to customers worldwide. Our mission is to help organisations operate safely, efficiently and in full compliance through trusted, technically expert assurance services. We operate across the Built Environment, Infrastructure, Industrials, Certification & Compliance, and Food & Life Sciences sectors, supporting thousands of clients with the vital assurance they need to meet rising regulatory, safety and quality standards. What sets us apart is our long-term investment philosophy. Unlike traditional private equity models focused on short-term gains or consolidation, Phenna Group champions sustainable growth. We empower our businesses to retain their identity, operational autonomy and entrepreneurial spirit, while benefiting from group-wide expertise, capital and collaboration. Our companies are leaders in their markets, trusted to deliver reliable, accredited and independent services that protect people, products and the planet. Across the group, we share a commitment to technical excellence, innovation and outstanding customer care. As we continue to grow globally, our goal remains constant: to build a strong, sustainable group of exceptional businesses that create long-term value for customers, employees and stakeholders. Learn more at www.phennagroup.com
Discover more about Phenna Group
LSE BSc Economics Graduate
Off-Cycle M&A Analyst at Phenna Group
(January 2026 – Present)
Corporate Development
Corporate Development (M&A) at Phenna Group
(February 2026 – Present)
Group Head of Marketing & Communications
Group Head of Marketing & Communications at Phenna Group
(Aug 2024 – Present)
Phenna Group, Minerals Division
Business Development Manager Minerals Division, Australia at Phenna Group
(Jan 2025 – Present)
Founder & Executive Chairman @ Phenna Group | M&A Execution
Non Exec Chair & Director at Various Portfolio Companies
(Jan 2018 – Present)
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What is Jack Colden Duff email address?
Email Jack Colden Duff at [email protected] and [email protected]. This email is the most updated Jack Colden Duff's email found in 2026.
What is Jack Colden Duff phone number?
Jack Colden Duff phone number is 07470526051.
How to contact Jack Colden Duff?
To contact Jack Colden Duff send an email to [email protected] or [email protected]. If you want to call Jack Colden Duff try calling on 07470526051. (updated on March 26, 2026)
What company does Jack Duff work for?
Jack Duff works for Phenna Group.
What is Jack Duff's role at Phenna Group?
Jack Duff is Group Head of Cyber Security
What industry does Jack Duff work in?
Jack Duff works in the Information Technology & Services industry.
