Our Leadership

Combining decades of technical and commercial expertise to steer Calnex forward

Tommy Cook

Chief Executive Officer (CEO)

Tommy is the founder and CEO of Calnex Solutions. He has over 40 years’ experience in telecoms test and measurement ranging from hands-on design, R&D programme management through to leading business teams with P&L.

Prior to starting Calnex, Tommy held a senior role within the sector, leading a business team focused on the markets Calnex now addresses. Tommy founded Calnex in 2006.

Ashleigh Greenan

Chief Financial Officer (CFO)

Ashleigh has over 20 years’ of experience providing corporate finance and business advisory services to a range of high growth SMEs. Ashleigh’s role at Calnex encompasses all aspects of business strategy and financing, along with maintaining the company’s strong financial management and reporting culture.

Ashleigh also works on organic and inorganic opportunities to continue to fuel the company’s growth trajectory. Ashleigh joined Calnex in February 2020.

Graeme Urquhart

VP Sales

Graeme has over 20 years’ experience managing sales and leading commercial teams across a range of high-growth technology businesses and sectors. Graeme’s role at Calnex encompasses all aspects of global sales strategy and execution, along with building strong commercial partnerships and driving sustainable revenue growth.

Graeme also works closely with marketing and product teams to develop new market opportunities and expand the company’s international presence. Graeme joined Calnex in August 2025.

Peter White

VP Marketing and Products

With over 30 years in the technology sector, Peter brings a wealth of experience across technical, sales, and marketing roles. He has worked with some of the world’s largest technology, enterprise, and defence organisations, helping them navigate complex digital transformations and achieve strategic outcomes.

Peter joined Calnex in 2022 following the acquisition of iTrinegy. He now leads the company’s marketing and product development strategies, driving innovation and supporting Calnex’s long-term growth ambition.

Jeff Wright

VP Engineering

Jeff has over 40 years’ experience in technology with hands-on and senior management roles spanning Design, Product & Applications Engineering and Commercial development. His experience includes 21 years in Motorola’s semiconductor and software businesses. Prior to joining Calnex Jeff spent 6 years starting and growing a software services company.

Jeff joined Calnex in March 2012 and is responsible for product research and development, leading the company’s engineering teams to deliver highly innovative products and first class customer support.

Stephen Edmiston

VP Operations

Steve has over 30 years’ experience in manufacturing covering all aspects of the product lifecycle. This includes 25 years in defence electronics supporting high value, complex systems with Selex (now Leonardo) and Thales in various roles from production engineering to senior management.

Prior to joining Calnex, Steve spent 9 years with Ingenico managing the fulfilment, service, and support of payment terminals across EMEA. Steve joined Calnex in August 2021.

Ger Kirk

VP Quality Systems

Ger has 18 years’ experience with Agilent/Hewlett-Packard developing and implementing both manufacturing and R&D processes with a particular emphasis on new product introduction.

Ger also spent 6 years with Scottish Enterprise as an Innovation Specialist where he provided advice and guidance to small and medium sized business. Ger joined Calnex in June 2011.

Claire Wishart

Chief People Officer

Claire has over 20 years’ experience in operational administration working in both corporate environments as well as startups and SME’s, supporting managers and teams of up to 250 people.

At Calnex, Claire is responsible for the HR and Administration functions with a strong focus on employee engagement, culture and corporate social responsibility. Claire joined Calnex in November 2010.

About Us