Lyon Arboretum Staff Directory Photo Gallery
Portraits of Lyon Arboretum’s managers are displayed below.







View Staff by Department
View contact information and staff listings for each department
Administration

Nellie Sugii
Acting Director
Email: sugii@hawaii.edu
Office: (808) 988-0457

Kyle Koza
Fiscal Officer
Email: kkoza@hawaii.edu
Office: (808) 988-2971
Derek Higashi, Office Manager
Education Department

Raedelle Van Fossen
Education Manager
Email: raedelle@hawaii.edu
Office: (808) 988-0461
Jenna Watling, Education Specialist
Aziz Agis, Education Associate
Questions about field trips, university visits, outreach, volunteering, or community classes may be directed to LyonEdu@hawaii.edu. (This email address will replace our old email address educationlyonarboretum@gmail.com, effective 1/1/23. Beginning 1/1/23, please use LyonEdu@hawaii.edu.)educationlyonarboretum@gmail.com
Facilities

Clancy Ako
Facilities Manager
Email: cako3@hawaii.edu
Office: (808) 988-2479
Kim Zane, Facilities Assistant
Grounds and Collections Department

Līloa Dunn
Grounds and Collections Manager
Email: liloa@hawaii.edu
Office: (808) 988-0466
Nate Kamaka, Assistant Arborist
Rob Santiago, Gardener
Tylor Schwarze, Research Support
Richard Sears, Research Support
Hawaiian Rare Plant Program
Micropropagation Lab
Cindy Yamamoto, Micropropagation Lab Manager, (808) 988-0470, cnose@hawaii.edu
Devon Gordon, Botanical Support Technician
Doug Okamoto, Greenhouse Technician
Seed Conservation Lab
Nate Kingsley, Seed Lab Manager, (808) 988-0469, nkingsle@hawaii.edu
Jaqueline Harvey, Seed Lab assistant
Horticulture Department

Timothy Kroessig
Horticulture Manager
Email: kroessig@hawaii.edu
Office: (808) 988-0472
Katie Hachmeister, Horticulture Assistant
University of Hawaii Foundation

Audrey Hirayama
Director of Development, College of Tropical Agriculture & Human Resources and Lyon Arboretum
Email: Audrey.Hirayama@uhfoundation.org
Office: (808) 956-9172
Mobile: (808) 780-3420
Pacific Biosciences Research Center: Center for Conservation Research and Training
Elizabeth Dingeldein
Micropropagation Botanical Support
Office: (808) 988-0470