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David Sandrock

David Sandrock is a faculty member in the Landscape Technology Program º£ÌÄÖ±²¥. David earned a BS and MS in Horticulture from the University of Georgia under world-renowned plantsman Michael Dirr. He earned a Ph.D. in Horticulture from Oregon State University (OSU) in 2003. For five years, he taught landscape design, construction, and management and researched Landscape Horticulture at the University of Florida and OSU. David has also owned and operated his own landscape contracting business.

David is a licensed landscape contractor and an International Society of Arboriculture Certified Arborist. When he’s not teaching, David enjoys spending time with his family, art, motorcycles and being outside.

Elizabeth Brewster

Elizabeth Brewster holds a BA in Humanities from the New College of USF and a BS in Horticulture from the University of Maryland. She worked as a horticulturist for the Washington National Cathedral and Tudor Place in Washington, DC, and the William Paca Garden in Annapolis MD. She spent five years working as a landscape designer and project manager for residential design/build companies in Virginia and Oregon. She is an avid hiker and enjoys going anywhere you can see glaciers and wildflowers.

Em Roberts

Em Roberts is a consulting arborist, educator, and career tree worker with 18 years of experience in tree risk assessment, forest health, and arboriculture instruction. Her work includes hazard tree felling, climbing, pruning, and tree preservation across forest and urban environments in the U.S. She began her career with the U.S. Forest Service in 2008 and has since worked as a consulting utility forester, arborist for Washington State Parks, and urban forestry specialist for Washington State. She also served as a lead instructor for North American Training Solutions, teaching climbing, rigging, and aerial rescue.

Em is associate faculty in Clackamas Community College’s Arboriculture Program, teaching arboriculture and tree risk assessment.

Jennifer Peters

Jennifer Peters is a faculty member in the Landscape Technology Program º£ÌÄÖ±²¥ with 28+ years of experience as a landscape designer, contractor, and instructor. She co-owns a Portland-area design/build landscape firm specializing in rock hardscapes and is a licensed landscape contractor, currently serving on the Oregon State Landscape Contractors Board.

She is passionate about student success and enjoys hiking, camping, gardening, and working with natural landscapes.

Rachel Munzig

Rachel Munzig (she/her) had the privilege of growing up on a fruit tree farm where she developed her love of the outdoors, especially trees. Rachel is an ISA Certified Arborist and is also certified in Tree Risk Assessment Qualification. She double-majored in Biology-Environmental Studies and Spanish at Bowdoin College in Maine, and received a Graduate Certificate in Urban Forestry from Oregon State University.

She worked mostly in the nonprofit sector before PCC, including managing urban farms and gardens, and helping to relaunch the Portland Fruit Tree Project. She also co-founded Alder Commons, a multigenerational and multicultural nonprofit community center in NE Portland.