Our Lady of the Lake Announces New Executives

Our Lady of the Lake Regional Medical Center welcomes two new vice presidents to its team - Lesley Tilley, MSN, RN, NE-BC as vice president of operations and Diane Poirot, MBA, SPHR, SHRM-SCP as vice president of human resources.

“I am thrilled to welcome Diane to Baton Rouge and welcome Lesley back to the Our Lady of the Lake family. Lesley and Diane are both proven leaders with servant spirits that are well respected by those who have worked with them,” said Stephanie Manson, chief operating officer at Our Lady of the Lake. “I am confident their talents will contribute to continued and increased success for the Our Lady of the Lake team.” 

Tilley first joined Our Lady of the Lake in 1994 as a registered nurse before serving as a case manager, director of medical management, and a divisional director of nursing. She developed the palliative care services section before taking an opportunity with Amedisys. Six years ago, she returned to roles within the Franciscan Missionaries of Our Lady Health System, where she worked with inpatient hospital care management teams to ensure optimal level of functioning, developed population health initiatives in the ambulatory environment, and strengthened post-acute care strategies and relationships. 

A native of Eunice, La., Tilley received a bachelor’s degree and a master’s degree in nursing from Loyola University New Orleans. A wife and mother of three boys, Tilley is currently a member of the American Nurses Association and the Louisiana State Nurses Association. She also volunteers her time with St. George Catholic Church and School and Catholic High School in Baton Rouge. 

With more than 28 years of human resources experience, Poirot comes to Baton Rouge from CHI St. Luke’s Health in Houston, Tex., where she served as vice president of human resources of the Texas Division. Prior to that role, she served as senior vice president and chief human resource officer at Harris Health System. Her previous experiences working in large, complex health systems and also in Catholic healthcare was a plus. 

Poirot, a native of Baytown, Tex., earned a bachelor’s degree in management, and a master’s degree in business administration with an emphasis in human resources from the University of Houston-Clear Lake. Poirot and her husband Daniel have six children and five grandchildren. She enjoys volunteers her time with the Special Needs Advisory Council and the Special Olympics.