Headshot of Patrick R. O’Neil, Esq.

Patrick R. O’Neil, Esq.

Chief Legal Officer and General Counsel

Mr. O’Neil is the Chief Legal Officer and General Counsel of Ionis Pharmaceuticals. He is responsible for managing the legal, patent and GCP QA/QC departments. Mr. O’Neil also serves as Ionis’ corporate secretary. Mr. O’Neil joined Ionis in October 2001.

Prior to joining Ionis, Mr. O’Neil was an associate at Cooley LLP.

Mr. O’Neil received his BS in Business Administration, Finance Concentration from the University of San Francisco and his J.D. at UC Davis School of Law.

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