Speaker profile
Guillaume Letellier, M.S., E.R.T
Guillaume Letellier is a regulatory toxicologist with Intertek Assuris. Guillaume now serves as a Sr. Manager, Toxicology and is responsible for assessing the safety of our clients’ products. Guillaume obtained his Master of Science in Toxicology from the University of Western Brittany, France. He is an active member of the French Society of Toxicology and is a EUROTOX certified toxicologist. In 2013 Guillaume joined Intertek France in Paris as a safety assessor for the cosmetic industry and was embedded within one of the world's leading cosmetics companies as a project manager until his transfer to the USA in 2016. He is now focused on assessing cosmetic, OTC, and food contact substances for our clients. As a result of his experience, Guillaume has an extensive knowledge of the cosmetic and food regulations worldwide and works diligently with his team to make sure our customers’ products are globally compliant and safe for the consumers.