About the President

Mrs. Denise Corkery Marbach '72, P '05, '09

Mrs. Denise Corkery Marbach '72, P '05, '09 is the first President of Gwynedd Mercy Academy High School.

Denise Corkery Marbach ’72, P'05, ‘09 has over a 55-year history with Gwynedd Mercy. First as a Gwynedd student then as an alumna, a parent of two Gwynedd alumnae, and former Board of Trustees Chair, Marbach’s dedication and loyalty to the school and its mission have been a constant force in her life.

As head of the school, Marbach serves as the chief agent of change and innovation. She led the school’s strategic plan, “She is the Future,” and during the first four years of her tenure as the school’s first President, she has instituted numerous programs to educate, inspire, and empower the young women of Gwynedd. Denise is a member of the Board of Trustees.

On her arrival in July of 2017, Marbach exclaimed, “I am very excited and deeply honored to be GMAHS’s first president. I am committed to the continuity of the school’s traditions and upholding our Mercy charism and Catholic beliefs. I am passionate about working with our faculty, staff, parents, students and alumnae to create our vision for the years ahead.”

Marbach was a partner with PricewaterhouseCoopers LLP (PwC) where she worked in the insurance, healthcare, and education industries for 38 years. A certified public accountant, she was the first woman partner at Coopers & Lybrand (C&L) Philadelphia’s office in its 90-year history. Price Waterhouse and C&L later merged to form PwC. Marbach launched and grew several practices in major U.S. cities. She retired from the firm in June 2015.

During her tenure and lead by the strategic plan "She is the Future", Gwynedd Mercy has seen many change that have made Gwynedd a dynamic environment for our students and a place for all faculty and staff to feel accomplished in their careers. In 2024, she was instrumental in planning the New Monarch Wing and the sucessful competition of the "Place to Soar" campaign.