Ascension Oklahoma Leadership

Committed to the delivery of personalized care for all, with a focus on those most in need, and leading the transformation of healthcare.

Each member of the Ascension St. John Executive Leadership team is committed to living and fulfilling our Mission of caring for all persons, with special attention to those most vulnerable, each and every day. Our first priority is the health and safety of our patients, associates, and providers. We take great pride in the exceptional care and experience our 6,000+ team members provide to those who have entrusted us with their care across our 6 hospitals and more than 90 primary care, specialty care and urgent care locations.

We welcome your feedback, questions, or suggestions by contacting our leadership team by phone at 918-744-2180 or email at AscensionStJohnCares@ascension.org. An Ascension St. John executive leader will respond within three business days. We truly believe that listening to those we are privileged to serve is how we will continue to be the leading provider of Catholic healthcare in northeastern Oklahoma and southeastern Kansas.

Jeffrey D. Nowlin, FACHE

Jeffrey D. Nowlin, FACHE

CEO, Ascension St. John Ascension Oklahoma Ministry Market Executive

Candice Evans

Candice Evans

Director, Marketing & Communications, Ascension St. John

John Forrest, MD

John Forrest, MD

Chief Medical Officer, Ascension St. John

David I. Haws, MBA, MSHA

David I. Haws, MBA, MSHA

Chief Strategy Officer, Ascension St. John

Kevin Joseph, MD, MBA

Kevin Joseph, MD, MBA

Chief Clinical Officer, Ascension St. John

Lucky Lamons, MCJ, MPA, MHR

Lucky Lamons, MCJ, MPA, MHR

Chief Advocacy Officer and President Ascension St. John Foundation

Jason Lepak, MD

Jason Lepak, MD

President & Clinical Dyad Leader, Ascension Medical Group St. John

Michael J. McBride, FACHE

Michael J. McBride, FACHE

Regional President & Chief Operating Officer, Ascension St. John

Ramona Miller

Ramona Miller

Chief Operating Officer, Ascension Medical Group St. John

Ron Tremblay, BCC, LPC

Ron Tremblay, BCC, LPC

Chief Mission Integration Officer, Ascension St. John

Rebecca Tucker

Rebecca Tucker

Chief Financial Officer, Ascension St. John

Mark Wilkerson

Mark Wilkerson

Associate General Counsel - Kansas/Oklahoma Region

Jennifer Workman

Jennifer Workman

Senior Director, Human Resources, Ascension St. John