SAGEOS is proud to announce the addition of the GRI GM42 Specification to its portfolio of specialized testing services for high-density polyethylene (HDPE) geomembranes. This new capability strengthens our position as a trusted partner to the geosynthetics industry by offering testing services that meet the most demanding international standards.
Yann Sadier, B.Sc.
Business Development and Partnerships Manager
A graduate in Textile Engineering from ITECH Lyon (France), Yann Sadier currently serves as Business Development and Partnerships Manager for the textile sector at the CTT Group. He leverages strong technical expertise combined with a market‑driven approach to support textile and geosynthetics stakeholders in their innovation and growth initiatives. Yann has been part of the CTT Group since 2010, where he initially held key roles in R&D and flammability laboratory management, contributing to the development and commercialization of high‑value technical solutions. After several years dedicated to business development and the market launch of manufactured products, he rejoined the CTT Group in the summer of 2025. In his current role, Yann acts as a strategic point of contact between companies, CTT, and international partners. His mission is to drive growth in the textile and geosynthetics sectors through targeted partnerships, research and innovation collaborations, and the deployment of technical solutions aligned with market needs.
