A veterinarian by training, Catherine has worked for over fifteen years in public health communication, with a strong focus on "One Health.” She specialises in global health communication, risk communication, infodemic management, and the training of international health professionals. For seven years, she led the communication department of the World Organisation for Animal Health and was involved in the development of numerous tripartite communication initiatives on zoonoses and antimicrobial resistance. Founder of her consultancy company in 2020, OLYLO, she and her team regularly support international organisations in projects related to her areas of expertise. She also advises various public and private health sector leaders on their strategic communications.