Dr. Karla Soares-Weiser becomes Editor in Chief of The Cochrane Library on June 1, 2019. She has held numerous positions in Cochrane Groups, including as a Visiting Fellow at the IberoAmerican and UK Cochrane Centres, where she provided training in systematic review production. Karla was instrumental in the development of Cochrane Response, the organization’s evidence consultancy service; and in 2015 was appointed Cochrane's first Deputy Editor in Chief. Since 2016 she has been leading the transformation programme of Cochrane Review Groups into Networks. Born in Brazil and now living in Israel, Karla has been working in evidence-based health care since 1997 and is an author of over 60 Systematic Reviews, including 33 Cochrane Reviews. She previously held Assistant Professor posts in Brazil and Israel; and established a consultancy business that provided evidence synthesis services to government agencies and not-for-profit organizations. Karla is a trained psychiatrist, with a master's degree in epidemiology and a doctorate in evidence-based healthcare from the University of São Paulo.