Thomas S. O'Neill — Senior VP & General Counsel at Exelon Corporation

Mr. Thomas S. O'Neill, also known as Tom, has been Senior Vice President and General Counsel at Exelon Corporation since January 01, 2017. Mr. O'Neill served as a Senior Vice President of Regulatory & Energy Policy and General Counsel at Commonwealth Edison Company (alternate name, ComEd) since July 5, 2010 until January 01, 2017. Mr. O'Neill served as Chief Operating Officer for Exelon Transmission Company, LLC. He served as Senior Vice President of New Business Development at Exelon Generation Company, LLC from March 2009 to 2009. He served as Senior Vice President of Exelon from 2009 to 2010, Vice President of New Plant Development, Generation from 2007 to 2009 and Vice President of Licensing and Regulatory at Exelon Nuclear from 2005 to 2007. Mr. O'Neill joined Exelon in 2001 after 12 years of private law practice. He was a Partner, Chicago office of the national law firm Jenner & Block, practicing civil and criminal litigation with a wide range of corporate and individual clients. He served as Lead Counsel of Exelon Nuclear and was promoted to Vice President, responsible for regulatory, legal and environmental affairs. He served as Senior Vice President of Project Development at Exelon Nuclear Partners, LLC. Mr. O'Neill received his Bachelor of Arts degree in English Language and Literature from the University of Illinois at Urbana Champaign and his law degree from University of Notre Dame Law School.