Diploma PLC announced the appointment of Cheri Phyfer as an independent non-executive director with effect from March 2, 2026. Cheri will join the Nomination Committee and the Remuneration Committee. Cheri is currently an independent board member at BlueScope Steel Limited, O-I Glass Inc. and W.C. Bradley Co.
Prior to this, Cheri gained over three decades of experience working in industry, as Group President at Fortune Brands Innovations Inc. for seven years and, prior to that, at The Sherwin Williams Company, where she held a number of senior management positions. Cheri holds a Bachelor of Science degree in Management and an MBA, both from Clemson University, South Carolina.
Diploma PLC specializes in technical services. Net sales break down by activity as follows:
- manufacturing of control systems (54.9%): fluid control systems, harness components, wiring and fastening systems used primarily in aerospace, defense, medicine, energy and motor sports sectors;
- manufacturing of seals (29.9%): gaskets, filters, cylinders, machined parts for specialized industrial equipment, cylinder components for repair and maintenance of heavy mobile machinery and industrial equipment, etc.;
- manufacturing of healthcare equipment and environmental management equipment (15.2%): medical devices for pathology laboratories, operating rooms, clinics, etc., environmental analyzers, containments and emission control systems.
Net sales are distributed geographically as follows: the United Kingdom (18.4%), Europe (16.2%), the United States (52.6%) and other (12.8%).
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