Following a comprehensive international search, Morris Arboretum has appointed William (Bill) G. Cullina as The F. Otto Haas Executive Director of the Arboretum, effective July 8, 2019. Cullina succeeds Paul W. Meyer, who served the Arboretum for 43 outstanding years, 28 years as its Executive Director.

Bill Cullina comes to Morris Arboretum from the Coastal Maine Botanical Garden, where he served as its President and CEO since 2011, and is well-known as an author and lecturer. He possesses extensive experience in public garden leadership, fundraising, education, and horticulture. Cullina will be relocating to the farm house on Morris Arboretum’s Bloomfield Farm with his wife, Melissa Cullina, and three children.
Cullina assumes the role of Executive Director during an exciting time of growth at the Arboretum. The current Ever Green campaign, which concludes in 2021, will generate significant resources for further investment in the Arboretum’s gardens, research efforts, and education offerings. An experienced senior management team, nationally regarded staff, and engaged Board of Advisors are excited to welcome Cullina as he charts the course for this internationally renowned organization.
We have found a well-respected leader from the garden world with a proven record of success. He is an ideal choice to lead the Morris Arboretum in its next phase of growth.”Ellen Nalle Hass, Chair, Advisory Board of Managers, Morris Arboretum
Morris Arboretum leads—as the comprehensive source of information on Pennsylvania plants, as a player in the international effort to digitize the documentation of flora worldwide, and as a sensitively maintained oasis reflecting a healthy natural world. The Arboretum is an economic driver and cultural center, with programming that engages children, students, professionals, and Greater Philadelphia as a whole.

