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.


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.


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.



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