Management Team

The Arboretum staff is dedicated to making the Arboretum the leading center of tree expertise, inspiring the world to plant and protect trees. The management team strives to make that vision a reality by leading staff to achieve three essential goals: advance the planting and conservation of trees, attract larger audiences and engage them in the mission, and raise and earn significantly greater financial support.

Management representatives by area of responsibility:

Gerard T. Donnelly, PhD
President and CEO

Kris Bachtell, MS
Director of Collections and Facilities

Richard Hootman, MS
Director of Visitor Programs

Jill Koski, CFRE
Vice President of Development

Nancy Peske, PHR
Director of Human Resources

Susan Wagner, Ed.M.
Vice President of Education and Information

Gary Watson, PhD
Head of Research

Timothy Wolkober, CPA
Vice President of Finance and Chief Financial Officer