Born in 1964, Dr. Roby was appointed to the Supervisory Board in 2023. She holds a Ph.D in chemical engineering and is an experienced executive who has held a broad range of leadership roles. Amongst others at Linde, the world’s leading industrial gases company, Dr. Roby was a member of the management committee and responsible for R&D, Digitalization, Operations Excellence, Cyber Security, Procurement, Strategic Sales, Sustainability, and Safety, Health & Environment. She also led the Praxair Surface Technologies, Electronic Materials and Helium/Rare Gases businesses. In addition, Dr. Roby has served as an independent director to several companies, focusing on the intersection of technology and business. She provides guidance to these companies in the areas of innovation management, capital investment modelling, project management, strategic customer relations, complex commercial contracting, investor relations, sustainability, safety, and matters related to diversity, equity, and inclusion. In 2020, Dr. Roby was inducted into the National Academy of Engineers (USA), the highest distinction afforded to the engineering profession. She currently serves as non-executive director on the board of Rogers Corporation. Furthermore, Dr. Roby is active as non-executive board member of Rinchem Company and Twelve and she chairs Nuvance Health network, all of which are privately held organizations. She is also a Trustee of Villanova University.