Oliver Dolder

Part of James Walker Group Ltd., edilon)(sedra BV is an international supplier of ballastless track systems, insulating rail systems, and noise and vibration reduction systems. The company is based in Haarlem, Netherlands. The Dutch company offers consultation services for the development of rail fastening systems, testing of materials, technical calculations, and drawings. With over 50 years of track experience, edilon)(sedra provides technical support in different stages of railway projects. The company offers various systems, including Corkelast® ERS, Corkelast® EBS, SDS, DFS, and more. Oliver Dolder has been the CEO of the company since 2021.

James Walker Group Ltd. manufactures fluid sealing products, railway products and services. Its fluid sealing products include environment care products, compression packings, custom products and services, engineering plastics, expansion joints, bellows, flange management, joint integrity products, flooring, decking products, gaskets, sheet jointings, hydraulic sealing products, materials technology products, mechanical seals, O-rings, oil and gas products, rotary seals, seals in PTFE, plastics, static seals, tension control fasteners and vibration-attenuation products. The company was founded by James Walker in 1882 and is headquartered in Woking, the United Kingdom.