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.

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.”

Mark Leppard
Chief Sales Officer

Mark leads our sales strategy and execution across the globe.

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”

James Hall
VP of Compliance

James runs our ISO certifications and commercial contracts and keeps Teneo compliant with legislation. James is passionate about our Purpose Beyond Proft and manages our initiatives in this area.

Steve Evans
SVP of Solutions Engineering

Prior to moving to the solutions provider side of the house, Steve was a Teneo customer, managing a network of 30,000 users across 60 sites, with a crowning achievement of moving their primary datacenter with no downtime.  This technical background as a customer has given Steve the capabilities and perspective needed to develop a strong team of solutions engineers, to ensure Teneo can fully understand the business and technical requirements of our customers and help them be successful deploying innovative technologies