Leadership

Scott D. Sampson, PhD
Executive Director and William R. and Gretchen B. Kimball Chair

Dr. Sampson leads the institution’s world-class museum as well as its programs of scientific research, sustainability, and education. A renowned paleontologist, passionate science communicator, and seasoned museum leader, Sampson joined the Academy in September 2019.

Shannon Bennett, PhD
Chief of Science and Harry W. and Diana V. Hind Dean of Science and Research Collections

Dr. Bennett is responsible for the Academy’s programs of scientific research and exploration, as well as overseeing the Academy’s priceless collection of nearly 46 million scientific specimens from around the world.

Michael Costanzo
General Counsel and Chief Risk Officer

Costanzo is the senior leader who manages legal processes, security, safety, and enterprise risk management at the Academy.

Ayat Elnoory
Chief People and Culture Officer

Elnoory leads all aspects of the employee experience to deeply connect staff to the Academy’s purpose of regenerating the natural world and to support a thriving culture in which all staff have opportunities for growth, connection, and advancement.

Melissa Felder
​Chief Experience Officer

Felder is responsible for the Academy’s on-site and digital experiences, brand strategy, and earned revenue. She leads a dynamic Experience division that connects diverse communities to environmental science.

Jim Gohary
Managing Director/Chief Financial Officer

Gohary is responsible for overseeing the financial stability of the Academy and central coordination of all business and talent operations, including facilities, government affairs, philanthropy, and experiences.

Estefanía Pihen González, PhD
Chief of Education and Learning

Dr. Pihen González is responsible for leading the Academy’s extensive education and engagement programs, including a team of about 45 staff, 30 paid interns, and 400 volunteers.

Amber Mace, PhD
Managing Director/Chief of Strategic Partnerships

Dr. Mace leads the Academy’s regional, national, and international partnerships. Her responsibilities include aligning the Academy's work with its strategy as well as overseeing the Academy’s divisions dedicated to science and education.

Mark Ruffo, PhD
Chief Advancement Officer

Ruffo works closely with the Academy Board of Trustees and a team of development professionals to raise philanthropic gifts that support the Academy's scientific research, environmental literacy programs, conservation initiatives, and museum experiences. 

Leah Van der Mei
Chief Operating Officer and Head of Government Affairs

Van der Mei is responsible for infrastructure, guest and building operations, and technology for the Academy. She also oversees the institution’s relationships with local government and community organizations.

Academy Fellows

A governing group of approximately 450 distinguished scientists, Academy Fellows have made notable contributions to one or more of the natural sciences and help further the reach of our research and education initiatives through individual and collaborative efforts with Academy researchers. Nominated by their colleagues and selected by the Board of Trustees, Academy Fellows remain members of the Fellowship for life.