Senior Leadership


St. Mary’s Senior Leadership Team is a group of respected and highly experienced executives who are responsible for the day-to-day clinical and business operations of the system. The Senior Leadership Team is committed to ensuring St. Mary’s continues to provide exceptional care in alignment with its Core Values and Mission to be a compassionate and transforming healing presence within our communities.

St. Mary's Health Care System Senior Leadership Team

Stonish Pierce

Stonish Pierce 
President & CEO

Jeff Brown

Jeff Brown 
SVP, Hospital Operations

Brittainy Horne

Brittainy Horne 
President, Medical Group

Beth Patrick

Beth Patrick 
Chief HR Officer

Elena Barberis

Elena Barberis 
Vice President of Finance

Jennifer Messer

Jennifer Messer 
Chief Development Officer

Holley Tyler

Holley Tyler 
Regional Chief Nursing Officer

Liz Schoen

Liz Schoen 
General Counsel