Education, Outreach, and Advocacy Oregon Community Trees



2021 Speakers

Speakers are being confirmed regularly – check back soon for the latest additions!

Christine Buhl | Forest Entomologist, Oregon Department of Forestry

Christine Buhl is a graduate of Oregon State University (B.S. Environmental Science, Entomology) and the University of Wisconsin-Madison (Ph.D. Entomology). She has a broad background in entomology spanning from work with public health vectors to tropical species conservation to insect chemical ecology, and working geographically from Hawaii to Lebanon. She currently serves as the state Forest Entomologist with the Oregon Department of Forestry where she provides statewide technical assistance to public and private landowners and monitors forest health via aerial and ground surveys.


Milan Davis | Urban Forester, City of Salem

Milan has been the Urban Forester for the City of Salem since January of 2020. Milan worked for the State of Alaska Department of Natural Resources, the American Horticulture Society in Alexandria VA, and worked for over 10 years in the nation’s capital, 6 years as manager of field operations at Casey Trees and four years as a lead arborist at the Urban Forestry Division for the District Department of Transportation.. Milan has also worked for over 10 years in the farm & nursery industry specializing in orchard operations, specialty crops and organic vegetable production.  He graduated from Virginia Tech with a Bachelor of Landscape Architecture and has been an ISA Certified Arborist since 2006.


Lauren Grand | Assistant Professor, Extension Forester, Oregon State University, Forestry & Natural Resources Extension – Lane County

Lauren Grand joined OSU Extension as the Lane County Extension Forester in 2016. Lauren’s role is to provide objective, research-based educational opportunities related to forest ecology, forest stewardship, and small woodland management.  Before becoming an extension forester Lauren worked as a wood products consultant in Vietnam and research assistant with fire ecology labs at UC Berkeley and the Forest Service. She has a BS in Environmental Science from the University of California Berkeley. Her expertise also includes amphibian conservation management, which was the focus of her MS work at the University of Washington. In her free time, Lauren enjoys exploring wetlands for amphibians, romping in the woods with her son and pup, and canning the fruits and veggies from her partner’ garden.


Ian Hanou | CEO & Founder, PlanIT Geo

Ian Hanou has 19 years of private sector experience. He earned a BS in Forest Management & GIS from Colorado State University and founded PlanIT Geo in 2012. Ian is a thought leader in software and geospatial analysis for urban forestry, green infrastructure, and ecosystem services. He has led over 400 assessments, studies, and technology projects with state and local governments, nonprofits, consultants, and other entities. At PlanIT Geo, Ian directs overall operations, management, strategic partnerships, and vision. He plays a hands-on role in business development, project management, administration, and the roadmap for the Tree Plotter suite of software. In 2011, the Society of Municipal Arborists honored Ian with an award for innovation in tree planting prioritization using GIS. He lives in Colorado with his wife and two children, where he has summited all 54 mountains over 14,000 feet.


Kris Hikari | Green Stormwater Resource Manager, Watershed Revegetation Program

Kris Hikari is currently a Green Stormwater Resource Manager with the Watershed Revegetation Program of the Bureau of Environmental Services at the City of Portland. Primary job responsibilities include coordinating the installation, maintenance, repair, and replanting activities for trees and other vegetation within over 500 public stormwater facilities in rights-of-way across NE Portland. She has 20 years’ experience in working at the intersection of plants and people with the goals of creating functional living systems within urban environments. She is an ISA-certified arborist, Municipal Specialist and holds a master’s degree in Landscape Architecture from the University of Oregon. In her free time, Kris is devoted to cultivating a diverse, quasi-native, food forest in her backyard, as well as introducing her young daughter to the wonders of the natural world.


Martin Nicholson – Curator, Hoyt Arboretum, Portland Parks & Recreation

Martin’s work history includes Oregon State University and Washington State University research facilities before working as Plant health manager with J Frank Schmidt Nursery. He has been at the Hoyt Arboretum for 14 years and serves on the Great Plant Picks tree committee and the Portland Heritage tree committee.


Paul D. Ries, Ed.D. | Senior Instructor and Director, Graduate Certificate in Urban Forestry, Oregon State University

Dr. Paul Ries has worked as a practitioner and educator in natural resources, urban forestry, arboriculture, and wildland fire at the state, local, International, non-profit, and academic levels for over 35 years. He currently teaches urban forestry, green infrastructure, and arboriculture at Oregon State University and provides consulting services and training for government agencies and non-profit organizations through Insightful Nature LLC. He holds BS and MS degrees in Natural Resources and a Doctorate in Educational Leadership. Paul is a Past-President of the International Society of Arboriculture (ISA) and has been an ISA Certified Arborist since 1988.


Tyler Roth | Owner, Gorge Tree Surgeon

Tyler Roth has worked extensively with trees since 2006. Tyler has an AAS in Natural Resources: Forestry from MHCC and a BAS from THE OSU in Horticulture. His career has led him all over the PNW including AK, ID, OR, and WA. Tyler has run his own tree service as an ISA certified arborist since 2013. Most days you will find him climbing a tree for a career, fun, or to rescue animals like cats and red tailed hawks. Tyler has a unique insight for this presentation based on every day field observations as well as his education and continuing education events.


Wei Zhang, Ph.D. | Co-Founder/Co-Owner Zynnovation LLC

Wei Zhang holds a Ph.D. degree in Engineering from Virginia Tech. He has been doing research & development for the green industry for 10 years. His research areas include watering solutions for landscape plants, plant health, plant protection against stresses like drought and road salt. His work also provides novel solutions to green stormwater infrastructures, for which plants are used for the treatment of pollutants in stormwater. Has has more than 40 peer-reviewed scientific journal articles, one monograph and more than 100 conference presentations. He has been a frequent speaker on Arboriculture, Landscape Architecture, Urban Forestry, Stormwater Green Infrastructure, and related conferences and seminars. He is known as a scientist, educator and public speaker. Dr. Zhang is a ASLA approved LA CES provider.



   copyright 2010 Oregon Community Trees All Rights Reserved. | Oregon Community Trees - P.O. Box 13074 - Salem, OR 97309-1074
   designed and programmed by BHG Creative