Ester Lovsin Barle, DVM, MSc, PhD, MScTox, is the Global Head of Product Sustainability and Stewardship at Takeda Pharmaceuticals. Ester leads the cross-organizational product sustainability workstream, Sustainability by Design for the Planet; pillar of purpose led sustainability in Takeda; and product stewardship topics such as safety data sheet process, maintaining article and material regulatory compliance, scientific development, and cross-organizational implementation of health-based exposure limits (HBEL) in support of research, development, and manufacturing in Takeda. Previously she held corporate positions at Lonza and Novartis. Ester has been working in the pharmaceutical industry for over 15 years. She received her master’s degree and PhD from the University of Ljubljana, Slovenia, and a second master’s degree in toxicology and risk assessment from Medical University in Vienna. Ester is a certified toxicologist and has a certification in environmental management for sustainability. She joined ISPE in 2023.