About us

John has worked at the highest level in both the Public and Private sectors including in Private Equity as a Chair, NED, Senior Strategic Advisor and Group CEO.

John is a Chartered Director and Fellow of the Institute of Directors, holding a number of tertiary qualifications, including a Degree in Electrical and Electronic Engineering, a Master in Business Administration and a Masters in Human Resource Management.

Jonathan joined TXO in September 2025. A chartered accountant, Jonathan has spent his career working in different industries since leaving Deloitte as a senior manager in their audit practice.

In terms of expertise, Jonathan has worked in a variety of companies experiencing changes in their operational or financial environment and has helped raise equity and/or debt at Flybe, Nuffield Health, McColl’s and Toto Energy, planned or upgraded systems at Flybe, Southern Water and Nuffield Health, and helped lead finance transformation or integration work at WSP (UK), HSS Hire and St. Modwen.

Having worked in both public companies and those owned by private equity, Jonathan has a deep understanding of the needs of owners and is keen to help TXO develop the growth it needs to continue its success in supporting the technology sector.

Walter joined as Chief Transformation & Projects Officer in June 2026, responsible for driving Group wide transformation and overseeing critical functions including IT, ESG, Legal, and QHSE.

With a strong track record of delivering complex projects and leading organisational change, Walter brings a strategic, results-driven approach to aligning business operations with long-term growth objectives. He is recognised for building high-performing teams, strengthening governance frameworks, and embedding sustainable, technology-enabled solutions across the business. He brings a strong engineering and programme management background, with experience spanning design, development, planning, and procurement, before going on to specialise in technical, risk and security.