Revolution Medicines, Inc. Jeff Cislini, formerly vice president, deputy general counsel, has been promoted to senior vice president, general counsel and corporate secretary. Additionally, Daniel Simon will join the company as chief business officer in early September. Mr. Cislini has more than 20 years of experience advising on a wide range of legal topics, including corporate governance, securities law, contracts, compliance, intellectual property, privacy and employment law.

He joined Revolution Medicines in 2020 as its deputy general counsel and has served as the company's senior legal advisor during his tenure. Before joining Revolution Medicines, Mr. Cislini served as a vice president at Atara Biotherapeutics. Prior to his in-house career, Mr. Cislini worked at the law firms of O'Melveny & Myers and Wilson Sonsini Goodrich & Rosati, where he focused on general corporate and transactional matters.

Mr. Simon possesses more than 15 years of life science industry experience with expertise spanning business development, strategy, and operations. In his new role as Revolution Medicines' chief business officer, he will initially be responsible for strategic planning, portfolio analysis, pre-commercialization assessment and planning, and companion diagnostic strategies. Mr. Simon joins Revolution Medicines from Guardant Health where he most recently served as the company's senior vice president, biopharma business development.

During his tenure, he is credited with developing and leading a new business unit supporting more than 100 biotechnology and pharmaceutical companies and 400 clinical trials using Guardant's liquid biopsy platform to help accelerate drug development. Mr. Simon began his career at McKinsey & Company in London, working in the pharmaceutical and medical products group, where he led client work in business strategy, innovation, business development, and operations, and subsequently worked in corporate development at Onyx Pharmaceuticals before its acquisition by Amgen.