Ester Lovsin Barle, DVM, MSc, PhD, MScTox is the global head of product sustainability and stewardship and at Takeda Pharmaceuticals. She lives in Zurich, Switzerland.

Ester is passionate about generating value with product safety and sustainability. She is leading the cross-organizational product sustainability workstream sustainability by design for the planet pillar of purpose-led sustainability in Takeda. Her responsibilities also include product stewardship topics, such as safety data sheet process, maintaining article and material regulatory compliance and scientific development and cross-organisational implementation of health-based exposure limits (HBEL) in support of research and manufacturing in Takeda globally. Previously she has held corporate positions at Lonza and Novartis. She has been working in the pharmaceutical industry for over 15 years. She received her PhD in veterinary sciences from 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.

Justin Mason-Home is an organic chemist with extensive health, safety, environmental, and chemical engineering experience in senior technical, legal, and commercial aspects of the pharmaceutical, biochemical, chemical, and other industries. He is a Fellow of the Royal Society of Chemistry in the United Kingdom.

Justin started as a research chemist in the flavour and fragrance sector, researching and discovering new chemical synthetic routes to produce nature-identical flavour and fragrance components. In the fine chemical sector, he worked through scale-up (Kilo Lab then Pilot Plant) to full-scale manufacture. After a move to corporate environmental management, Justin was head-hunted into environmental consulting, heading a technical environmental engineering function.

He has since held senior positions and worked globally in potent biopharmaceutical occupational health and safety global environmental consulting, he's held a board level position in a biotechnology company, and has worked in corporate environmental management. Justin has been involved in and worked on potent and highly-potent API projects for more than 22 years and specialises in technical complex and strategic projects, including unique experience in managing sensitive highly-potent and toxic biopharmaceutical compound matters. Justin has chaired, presented at, and attended many HPAPI events and is a recognised expert in this area.

Silke Büchl is an experienced IOHA certified occupational hygienist with about 20 years of experience in occupational hygiene. 

She became an IOHA certified occupational hygienist after her postgraduate studies for work and health at ETH Zürich and Uni Lausanne in 2003.  

Before she started as an occupational hygienist and deputy of the managing director at Praevena in 2014, she gained experiences in different fields of occupational hygiene, safety data sheets, hazard communication with the focus on occupational hygiene topics as well as participation in the internal board to define occupational exposure limits at Novartis. 

Praevena is a company that provides services such as: Exposure monitoring with regards to occupational hygiene and SMEPAC, customised training, customised concepts (PPE, work processes, OEL classification, etc.), workplace health risk assessment, performing quantitative fit testing. 

Dr. Friederike Hermann is Head of Occupational Hygiene at Lonza Visp. She ob­tained her doctorate in the field of Analytical Chemistry with an emphasis on Element Speciation. In 2001, Dr. Hermann started as an Analytical Chemist in the Environmental Department and eventually transitioned into the field of Occupational Hygiene. She was significantly involved in the setup of high potent compound production at Lonza. She completed her Master of Advanced Stud­ies (MAS) degree on Work and Health at the ETH Zürich and the University of Lausanne. Dr. Hermann is a certified hygienist through the Swiss Society of Occupational Hygiene. She is a member of the steering committee of COP Con­tainment ISPE Affiliate DACH. She is also a member of the MAK Commission Switzerland and actively participates in a network of Occupational Hygienists, Physicians and Toxicologists, which form the Basel Chemical Industry (BCI). She is also a member of the Health Commission for the Lonza Visp site, which has over 3,000 employees. She lives in Wallis, Switzerland, where she enjoys run­ning, cycling and hiking.

Charlyn Reihman, MPH, CIH is a Principal Occupational Health Consultant for SafeBridge Consultants, Inc. She has over 30 years of safety and health experience in pharmaceutical/vaccine manufacturing and research & development, including 28 years at Merck. Her experience includes pharmaceutical industrial hygiene and exposure control, biosafety, program development, training, management system implementation, remediation, and conducting EHS compliance and pharmaceutical supply chain audits.  She also has experience providing safety, and industrial hygiene support to other industries include the lead industry, medical device manufacturing, construction, chemical manufacturing, and academic research and development. Charlyn has a wealth of experience, providing best practice recommendations for improving performance and minimizing risk.