Patrick R. O’Neil serves as the Executive Vice President, Chief Legal Officer, and General Counsel at Ionis Pharmaceuticals, Inc., a leading biotechnology company focused on RNA-targeted therapies. In his role, O’Neil oversees all legal affairs for the company, including intellectual property, corporate governance, and compliance. His strategic legal guidance has been instrumental in navigating the complex regulatory landscape of the pharmaceutical industry, ensuring that Ionis continues to innovate and bring new therapies to market. Prior to joining Ionis Pharmaceuticals, O’Neil built a distinguished career in the legal field, with a focus on life sciences and healthcare. He holds a Juris Doctor degree from a top-tier law school and has worked at several prestigious law firms, where he developed a deep expertise in intellectual property law and corporate transactions. His experience also includes serving as in-house counsel for other biotechnology companies, where he successfully managed high-stakes litigation and negotiated complex licensing agreements. O’Neil’s extensive background has equipped him with the skills necessary to drive Ionis’ growth and protect its pioneering work in RNA therapies. At Ionis, O’Neil has been recognized for his leadership and contributions to the company’s success. Under his guidance, Ionis has strengthened its intellectual property portfolio and forged strategic partnerships that have accelerated the development of its drug pipeline. His ability to balance legal acumen with business strategy has made him a valuable asset to the executive team, helping to position Ionis as a leader in the field of genetic medicine. O’Neil’s dedication to advancing healthcare through innovative therapies continues to drive his work at Ionis, where he remains committed to the company’s mission of transforming the lives of patients worldwide.