Philip R. O’Brien is the Vice Chair of the ACS CAN Board of Directors, having served as a Board member since 2019. Mr. O'Brien is also the National Ambassador or the ACS CAN Cancer Votes program. He previously was on the American Cancer Society Wisconsin State Leadership Board from 2011 through 2019, including a two-year term as Chair, and was a member of the ACS Midwest Division Board of Directors. Mr. O’Brien first became involved with the Society through Reinhart Boerner Van Deuren’s Making Strides Against Breast Cancer campaign in 2005 and has served as Chair of that event from 2007 to 2025. Mr. O’Brien currently is the ACT! Lead for the 4th Congressional District of Wisconsin.
Mr. O’Brien is an attorney and shareholder with Reinhart Boerner Van Deuren, S.C., in Milwaukee, Wisconsin. He is a lawyer in the firm's Employee Benefits and Litigation Departments, providing counsel nationally to ERISA multi-employer health and pension funds. He recently served as Chair of the Professionals Committee of the International Foundation of Employee Benefit Plans, and is a frequent speaker and author on the subject of employee benefits.
Mr. O’Brien received his Bachelor of Arts and Juris Doctor degrees from Marquette University.