Lab Personnel



"Alone we can do so little; together we can do so much." - Helen Keller



Andrew Koeser, BCMA, PhD - Principal Investigator (Board-Certified Master Arborist, TRAQ Qualified Tree Risk Assessor, and QTRA Registered User)


Drew McLean, MS - Lab Manager (Certified Arborist, TRAQ Qualified Tree Risk Assessor, and QTRA Registered User)


Deb Hilbert, BS - Biological Scientist and PhD Student (Certified Arborist)


John Roberts, MS - PhD Student (Certified Arborist)


Siti Jariani Mohd Jani, BS (PhD Student)


Ryan Klein, MS - PhD Student (Certified Arborist)


Keir Hamilton, BS - MS Student


Seth Blair, BS - MS Student (Certified Arborist, Certified Utility Arborist)


Lab Interns

Haley Campanella, University of Tampa, Tampa

Sarah Cox, University of Florida, Plant City

Nick Fanelli, University of South Florida, Tampa

Katie Melissa Clark, Eckerd College, St. Petersburg

Thomas DiMauro, University of Florida, Gainesville

Madison Rice, University of South Florida, Tampa


Past Lab Personnel

Patty Derner - Intern, Eckerd College, St. Petersburg

Xiaoyu Zheng, - Intern, University of Florida, Gainesville

Jeffery Van Treese II, Esq, MS, JD, PhD. - Graduated PhD Student

Ryan Klein, MS - Graduated MS Student

Holly Finley, BS - Technical Writer

Julie Schelb, MS - Horticultural Technician (Certified Arborist)

Gitta Hasing, MS - Sr. Biological Scientist (Certified Arborist and TRAQ Qualified Tree Risk Assessor)

Melissa H. Friedman, MS - Technical Writer