Board

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 and programme management of R&D projects through to leading business teams within the market segments in which Calnex currently operates. Tommy has participated in a number of Industry Standards forums during his career, including the ITU-T and MEF groups, and presented technical and market insight papers in industry forums.

Ashleigh qualified as a chartered accountant with Deloitte before spending 5 years at KPMG in transaction services. She has held senior finance and corporate development roles at Exova Group plc, the UK materials testing business, before joining Parsons Peebles Group Limited, where she was a director of a number of group companies and held the role of Chief Financial Officer until she joined Calnex in early 2020.

Stephen joined the Board of Calnex in January 2022 and was appointed Chair in August 2022. He is an accomplished director of both public and private companies, with more than 20 years’ PLC-board experience. He is currently a Non-executive Director at main market listed Informa plc, AIM-listed Actual Experience plc, JSE-listed Datatec plc and MCB Group Limited. Stephen was previously Non-executive Director at Rosenblatt Group plc, Restore plc, Jaywing plc, Inmarsat plc and MECOM plc. In his earlier career Stephen was Chief Financial Officer and then Chief Executive Officer of Telewest Communications plc and Vice Chairman of Investment Banking at WestLB Panmure.

Helen Kelisky brings over 30 years of technology business and sales leadership experience and a track record of driving top line growth, leading national and international businesses. Previous roles included Managing Director of Google Cloud in the UK and Ireland, Senior Vice President of Cloud sales at Salesforce UKI, and Vice President of Cloud at IBM. Helen has been recognised as one of the 100 Most Influential Women in UK Tech 8 years in a row from 2017 to 2024, as well as one of the most influential leaders in UK Tech in 2023 and 2024. She currently sits on the Board of Women in Telecommunications and Technology, a non-profit networking group focused on education and enhancing women’s careers.

Graeme is an experienced corporate financier and qualified chartered accountant, having previously been a partner with Arthur Andersen LLP and finance director of international groups. He is currently a non-executive director of Smart Metering Systems plc, Aberforth Split Level Income Trust plc and Cruden Holdings Ltd. Graeme was formerly Chair of Macfarlane Group PLC and acted as a non-executive director of businesses including Interbulk Group plc and Belhaven Group plc. He currently undertakes a number of pro bono appointments including as Trustee at Citizens Advice Scotland and the Entrepreneurial Scotland Foundation.

Margaret has over 20 years of experience at Board level in public and private software and technology companies. Margaret’s current roles include acting as Senior Independent Director at main market-listed De La Rue plc, Chair at Origami Energy Limited, a VC-backed energy-focused technology business, and non-executive director at Holiday Extras Investments Limited. Previously, Margaret was Senior Independent Director of Xaar plc and chaired private companies Skyscanner Limited and Penguin Portals Limited until they were sold for £1.4bn and £509m, respectively.