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Antoni Ribas, MD, PhD, began a 1-year term as president of the American Association for Cancer Research (AACR) on April 29. Ribas is a professor at the University of California, Los Angeles (UCLA), and the director of the Tumor Immunology Program at the UCLA Jonsson Comprehensive Cancer Center. He has served in various roles at the AACR, including as program committee chair for the 2020 annual meeting. His research focuses on novel treatments for melanoma; he was involved in developing the PD-1 inhibitor pembrolizumab (Keytruda; Merck), as well as BRAF and MEK inhibitors.

On April 1, Gillian Leng, MBChB, began her role as chief executive of the UK's National Institute for Health and Care Excellence (NICE), replacing Sir Andrew Dillon, who retired. Leng, who previously served as the deputy chief executive of NICE, is also the organization's director of Health and Social Care, as well as a visiting professor at King's College in London. At NICE, her accomplishments include setting up and running the clinical guidelines program, among others. Specializing in public health and medicine, she previously conducted epidemiology research on peripheral vascular disease.

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