The CalX Leadership Team

Meet the CalX Leadership Team – CalX Instrumentation Services founders, co-owners, and directors Kevin Davis, Willie McMahon and Claire McMahon.

Kevin Davis - Co-owner & Director of Operations.

Kevin began his Instrumentation apprenticeship in 1997 where he spent the early part of his career in Scotland gaining valuable experience working in the oil and gas industry, on oil refinerys and overhauling oil rig instrumentation. He was also part of a team working with British Nuclear Fuels Ltd (BNFL) in Manchester. He subsequently relocated to Cork to join Hanley Calibration Services Ltd where he worked predominantly in the pharmaceutical industry in Pfizer, Pharmacia and Upjohn and later became a field service technician for a time.

In 2000 he transferred to the Dublin office and covered field service for the North East and Northern Ireland. He returned to Ireland in 2005, following a period in the US, and established his own company, Eurotech Calibration Services Ltd, based in Co. Meath. The company grew rapidly and in 2019 Eurotech merged with Trefoil Controls Ltd to form CalX Instrumentation Services Ltd. Within the CalX leadership team Kevin oversees operations and business development.

Kevin’s fictional character is Kurt Caboom. To learn more about the CalX fictional characters see our culture page.

Willie McMahon - Co-owner & Director of Sales and Marketing.

Willie started his Instrumentation apprenticeship in Tara Mines, Europe’s largest Lead and Zinc mine, in Navan in 1994. He later joined ProsCon in their Dublin and Cork office as a calibration technician, working on projects across pharmaceutical industries in Cork and Dublin. He also supported the ProsCon environmental department across Leinster. In 2001 he joined Honeywell’s Dublin office where he spent 14 years working in various roles across calibration services, sales and management across numerous industries including Dairy Processing, Pharmaceutical, Food Manufacturering, Power Industries and more. 

In 2015 he set up Trefoil Controls Ltd, based in Co. Meath. Due to rapid expansion within the business, Trefoil Controls Ltd merged with Eurotech Calibration Services Ltd in 2019. Willie is the Sales and Marketing director within the CalX leadership team, where he oversees the expanding labour and product sales side of the business along with developing the brand to drive awareness of CalX in the market place.     

Willie’s fictional character Merlin. To learn more about the CalX fictional characters see our culture page.    

Willie McMahon - Co-owner & Director of Sales and Marketing.

Willie started his Instrumentation apprenticeship in Tara Mines, Europe’s largest Lead and Zinc mine, in Navan in 1994. He later joined ProsCon in their Dublin and Cork office as a calibration technician, working on projects across pharmaceutical industries in Cork and Dublin. He also supported the ProsCon environmental department across Leinster. In 2001 he joined Honeywell’s Dublin office where he spent 14 years working in various roles across calibration services, sales and management across numerous industries including Dairy Processing, Pharmaceutical, Food Manufacturering, Power Industries and more. 

In 2015 he set up Trefoil Controls Ltd, based in Co. Meath. Due to rapid expansion within the business, Trefoil Controls Ltd merged with Eurotech Calibration Services Ltd in 2019. Willie is the Sales and Marketing director within the CalX leadership team, where he oversees the expanding labour and product sales side of the business along with developing the brand to drive awareness of CalX in the market place.     

Willie’s fictional character Merlin. To learn more about the CalX fictional characters see our culture page.    

Claire McMahon - Co-owner & Director of Finance and People.

Claire qualified in Business Management in 1997 and since then has had administrative roles in a number of companies as well as in the not-for-profit sector. In 2015 she set up Trefoil Controls Ltd in partnership with husband Willie and managed the administrative side of the business. When Trefoil Controls Ltd merged with Eurotech Calibration Services Ltd Claire became the Director of Finance & People. Within the CalX leadership team, Claire provides strategic leadership for CalX’s business and finance functions, as well as for the management of its financial and capital resources. She also manages Budget and Financial Planning, Business Systems and Services. Within those units lie critical business functions including  payroll, financial reporting, accounts receivable and payable, and financial systems. 

Claire also oversees the Human Resources department with a focus on encouraging and supporting company culture, creating and leading employee engagement and development programs, and implementing reward programmes to ensure CalX is a happy and fair place to work.

Claire’s fictional character is Mary Poppins. To learn more about the CalX fictional characters see our culture page.

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