Our Leadership Team

The Teneo leadership team lives our brand beliefs – Think Big, Always Be Curious, Be Open-Minded, Be Inspired and Give Selflessly – and inspires others to do the same and have the courage to make a difference. Meet the Teneo leadership team below.

Piers Carey
Chief Executive Officer

Piers co-founded Teneo in March 2000 and currently serves as Chairman of the Board of Directors as well as Chief Executive Officer. Piers inspires the Teneo team to realize customer service excellence and has his own personal vision to impact the education of one million children in Africa.

Gina Fedeli
Chief Operations Officer

Gina joined Teneo in January 2023 as COO, having 15 years of senior leadership experience in the IT sector. In her role, she leads Teneo’s overall business operations and partners with the senior leadership team to execute the company’s strategic vision, drive operational efficiency and spearhead continual business process improvement.

Andy de Clerck
Chief Technology Officer

Andy defines our service roadmap, seeking future services that will help our customers to solve their business challenges. In addition, he educates our customers and the Teneo team on these services and assists in their integration into the business.

David Mullaney
Chief Financial Officer

“I’ve been with Teneo since 2014. One of the things that initially drew me to Teneo was their incredible CSR activities and willingness to help other people. I’ve enjoyed a number of roles here from Management Accountant, Finance Manager and now as CFO with incredible support in my development along the way. I love how varied this role is and I am driven by delivering an excellent service with the help of my team.”

James Hall
VP of Services

James leads our teams whose core purpose is to deliver excellent technical services to our customers and he also runs our ISO certifications and commercial contracts.  James is passionate about our CSR value and manages our initiatives in this area.

Brett Ayres
VP of Product

Brett joined Teneo in 2013 and has worked in a number of commercial and technical leadership roles before being promoted to VP of Product. Today Brett is responsible for our product and service portfolio and ensuring that we have the right technologies to support our customer’s objectives.


“Finding the right blend of Network, Security and Observability tools for today’s hybrid IT environments is far from straightforward, this is where Teneo helps guide its customers by linking technical functionality to business outcomes”

Mark Leppard
VP of Sales EMEA

Mark leads our sales strategy and execution across the EMEA region.