

Cedomir Jesic, Chair
Cedomir is a civil engineer with over 25 years of experience, specializing in stormwater infrastructure projects that require innovative solutions and adherence to current industry best
management practices. His expertise includes floodplain management, riverbank stabilization, stream restoration and fish passage. He focuses on creating sustainable and effective designs that enhance hydrology and hydraulics, integrating green stormwater infrastructure to bolster environmental resilience.
He joined the Greater Oregon City Watershed Council board to leverage his extensive knowledge and experience in water resource management, supporting the preservation and enhancement of our local watersheds. He recognizes the vital role these watersheds play in maintaining ecological balance and supporting the health of our community. He has been serving on the Greater Oregon City Watershed Council since 2012. He envisions a future where sustainable watershed management, critical habitat protection, and ecological restoration thrive for the benefit of future generations. In his free time, he enjoys fishing, skiing, beekeeping, and biking activities that connect him with nature and deepen his appreciation for the outdoors.

Marcia Sinclair, Vice-chair
Marcia joined the watershed council in 2022. She brings experience in communication and community engagement focused on land use, natural resource planning, conservation and restoration. She has worked for local, state, regional and federal agencies, including 13 years at Metro where she managed government relations and construction communication for the Oregon Zoo and built a program to distribute millions of dollars to local cities and counties to acquire and develop natural areas.
She chaired Oregon City’s first Natural Resources Advisory Committee; is a self-taught naturalist, and a rural landowner in Damascus. She’s happiest when outdoors and is a passionate gardener, backpacker and bread baker. When she’s not planting heirloom tomatoes or gathering wild mushrooms, you’ll find her wandering off into the high Sierra backcountry.

Alison Heimowitz, Treasurer
Rooted in a life-long commitment to the natural world, Alison has spent over 30 years connecting teachers and students to immersive nature-based experiences both in the classroom and the field. She lives in Oregon City and is a founding member of the Watershed Council. In her free time, Alison enjoys hiking, reading, and playing with pups.

Sarah Miller, Board Secretary
Sarah Miller joined the Greater Oregon City Watershed Council as a founding member in 2004 to bolster her career resume, but found something much more–a small, fun dedicated group committed to improving local watersheds.
Sarah has worked for Oregon Department of Environmental Quality’s Cleanup Program for 20 years and currently serves as the Columbia Slough Sediment Cleanup project manager. When she’s not at work she enjoys active outdoor pursuits, such as hiking, kayaking and beach walking with her golden retriever, gardening and singing with Tilikum Choir Community.
Sarah’s deep family roots in Portland and Clackamas County compel her to continue supporting natural spaces for the enjoyment of future generations and as habitat where fish and wildlife can thrive.

Danielle Folliard, Member at Large
Danielle Folliard is an outdoor enthusiast and conservationist with a BS in Forest Management and Wildlife Resources. Her background includes work in fisheries and wildlife research for private industry and US Forest Service. Danielle also worked as an Environmental Educator for more than a decade and was a SOLV project leader for many years. Danielle has been volunteering for the Greater Oregon City Watershed Council since 2020. She loves hiking, kayaking, biking and just about anything outdoors. She is an advocate for environmental conservation with a strong commitment to protecting and improving watershed health, with a particular interest in salmonid habitat.

Doug Neeley, Member at Large
Doug Neeley is a founding member of the Greater Oregon City Watershed Council and a long time supporter of watershed health. A former statistician, Doug had an illustrious career living abroad and using his skills to support farmers and agricultural programs. He taught statistics at several universities and colleges, before turning to local politics in Oregon City. Doug served three City Councilor terms and one term as City Mayor. He established the Natural Resources Commission during his tenure as mayor and advocated for practical, collaborative solutions to conserving and protecting natural resources.

Marcos Kubow, Oregon City Temperature TMDL Specialist. Oregon City representative
Marcos is the Water Quality Coordinator – Stormwater for the City of Oregon City. His responsibilities include meeting requirements of national and state laws for pollution control and temperature management. One key way to manage the temperature of surface water such as lakes and streams is by shading with large trees and that’s where the watershed council comes in. Marcos received a BS in Environmental Science and an MS in Natural Resources from the University of Vermont, focusing on Green Stormwater Infrastructure also called Low Impact Development.
While Marcos’ is connected with the council for work, he also cares about the watersheds in his community and feels a spiritual connection to the rejuvenating properties of nature. He has been on the board for two years. In his free time Marcos swims in open water, plays with his son and dog, and enjoys wood crafting. He hopes that one day climate change will be a thing of the past, we all will be deeply connected with nature, and seek feedback from the wild.

Jay Wilson, Clackamas County Disaster Management Resilience Coordinator. Clackamas County representative
Jay works with watershed councils on the interconnection between flood hazards and habitat restoration. He got engaged with the Greater Oregon City Watershed Council after the January 2009 flood on Abernethy Creek and believes getting involved in watershed issues is a gateway for appreciating a sense of place and nurturing community identity.

Greater Oregon City Watershed Council Staff
Tom Gaskill, Executive Director
Tom joined the Greater Oregon City Watershed Council as Executive Director in 2021, bringing several decades of conservation experience to the position through his work along the Oregon coast and more recently in the Portland metro area.
As Conservation Learning Program Manager at the Oregon Zoo, and as the Education Coordinator at the South Slough National Estuarine Research Reserve for over 20 years, he sought to grow understanding and advance stewardship of Oregon’s coastal watersheds, estuaries and the ocean. He received his Bachelor of Science degree in Environmental Biology from Plymouth State University in Plymouth, New Hampshire.
In his current position, Tom manages a variety of restoration and stewardship projects, leads fundraising and grant writing to grow capacity, and coordinates efforts with the Clackamas Partnership and other governmental and community organizations. He is an avid bird watcher, paddler, and outdoor enthusiast with a deep commitment to caring for and restoring wild areas and healthy waters!

Andrew Robinson, Restoration Manager
Andrew completed his first restoration project when he was 15 helping fence off a wetland in Tualatin. Since then, his love for plants and local ecology has only grown. After studying terrestrial and freshwater ecology at Western Washington University, he moved back to the Willamette Valley and started work in on-the-ground implementation of land stewardship.
He has worked on a variety of projects ranging from landscape scale wetland restoration projects to smaller upland oak and prairie stewardship projects to mapping plant species in remote locations. Outside of working part time for the watershed council he enjoys tending to a large garden, going on rock climbing adventures, woodworking and runs a small native plant nursery

Kira Smith, Outreach and Engagement Coordinator
Kira joined the Greater Oregon City Watershed Council in 2024 after working as a watershed outreach coordinator with the City of Portland’s Bureau of Environmental Services for five years. She holds an MS in Geography from Portland State University. Kira grew up in Central Pennsylvania in a community with close ties to both dairy farming and natural resource conservation. She loves learning about native plants and hearing stories about how different people in the watershed feel connected to their local rivers and streams. She is most excited to continue building community connections in her work with the Council.
Outside of her work with the Council, you can find Kira tending her garden, learning new sourdough recipes, and trying to take her cat Saturn for walks.
