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Board of Directors

Tom HartzTom Hartz, Acting President, Environmental Education Committee Chair 

Tom Hartz, PhD, is a retired scientist with 6 years university teaching experience and over 35 years in medical device and diagnostics research, development and product support. He has served for over 10 years on the boards of non-profits devoted to education and child development. He joined the Friends Board in 2014. Tom is a Volunteer Naturalist, the 2015 Youth Camp Committee Chair, and is a member of the Governance Committee, the Education Committee and the Photography Society. The Refuge fuels Tom's passions for sharing the wonders of nature with others, particularly with kids, and continuing to learn about wildlife and habitats with the Friends and FWS.

Willem StoellerWillem Stoeller, Treasurer


Willem has been working with non-profit organizations for over 25 years starting with the Coast Guard Auxiliary, followed by naturalist with Bay Net in Monterey, volunteer at the visitor center and naturalist at the Elkhorn Slough National Estuarine Research Reserve, skipper for Sea Scouts of America and since January last year volunteer at our visitor center. He also spent 7 years on boards of different non-profit organizations. Recently Willem joined the Friends board as treasurer and immediately dived into the secrets of 503(c) (3) accounting, especially the fascinating reading of FASB #116.


Bonnie Anderson Bonnie Anderson, Administrative Assistant

Bonnie has been a Friends Board member since 2008 and was Chair of the Annual Tualatin River Bird Festival and Native Plant Sale from 2010-2018. The Festival draws between 900-1300 visitors to the Refuge on a single day and is a free, family-friendly event. Bonnie's favorite part about being a Friends member is enjoying volunteering at the Refuge with her family and encouraging her children to find their role in nature conservation. Bonnie can be found most days on the Refuge, working on behalf of the Friends organization. 

Dawn Carovano, Membership Coordinator

Alan Christensen, Restoration Committee Chair

Alan is a retired wildlife biologist who has worked for Federal, State and non-profit conservation organizations for over 40 years. His work took him to most western States, several Canadian provinces, Far Eastern Russia, and Lebanon. He received his BS and MS degrees in wildlife science from Oregon State University, served in the US Navy, and then resided and worked predominantly in Montana, Idaho and Oregon, where he is retired and residing in Portland. He was lucky to work with big game, bears, forest raptors, neotropical songbirds and their habitat. He and his wife Judy enjoy hiking, gardening, floating rivers and camping.

Gary Fawver Gary Fawver, Environmental Education Committee

Gary enjoys his role at the refuge as a Friends volunteer naturalist. One of his goals as a lifelong camp director was to introduce children, young people, and families to the beauty, wonder, and fun of spending time in the outdoors. Programs such as Puddle Stompers and school outdoor education provide opportunities to continue fulfilling this goal in his retirement. Wildlife and flowers at the refuge are ready subjects for his hobby of photography. Gary also serves on the Friends of the Refuge board by helping give direction to the Environmental Education committee.


President Cheryl Hart with Senator MerkleyCheryl HartStore Chair, President Emeritus

Cheryl has been working with nonprofit organizations for over 30 years serving in both staff and Board positions with various groups. She joined Friends when she moved to Portland in 2005 and has served on the Board since 2006. She is Chair of the Store Committee and serves on several other Friends Committees. She served as President of the Board from 2011- 2015.


Keith MaysKeith Mays, President Emeritus


Sharon Miller, Store Business Manager

Sharon has been volunteering at the Refuge for over ten years, and has been on the Board since 2011.  She is the Business Manager for the Nature’s Overlook retail store and, along with the FWS, supervises the Friends Interpretive Program Coordinator.  She is retired from managing staff and programs for seniors and people with disabilities at the state and local level in Oregon and continues to volunteer as a personal advocate for seniors experiencing financial, health or legal issues.  She serves on two other non-profit boards and is a Certified Master Recycler

Michelle Miller

Mark Newell

Growing up in Montana, Mark developed a passion for the outdoors, that passion has been a driving factor in his life. He has worked a variety of jobs in New Mexico, Montana, Alaska, and Oregon. He has worked with incarcerated youth and adults, people with substance abuse problems, special education students, as well as psychiatric patients. Many of these in an experiential education outdoor learning setting. He has been a rock climbing, canyoneering, mountaineering, hunting and fishing, and white water rafting guide. He owned his own business teaching people how to run a dog team in the Alaska wilderness and ran dogsledding expeditions into Denali National Park as well as on the Iditarod trail. He feels like he has been incredibly fortunate to have had the opportunities he was given and now wishes to share outdoor experiences with others.



Scott Owen, Tualatin River Bird Festival Chair

Scott was born and raised in California. He has relocated multiple times for work, including living in Seattle, Denver, Charlotte and finally Portland. Scott lives in Tigard with his wife Lori and their rescue dog Stella. After enjoying the Refuge for several years, Scott joined the Friends and has become a dedicated volunteer. He completed Naturalist training in March of 2018 and enjoys leading field trips and being a Rover on the trails.


Peter Paquet


Michelle Scholz, Membership 

Michelle is a life-long birder and outdoor enthusiast who enjoys sharing her passion for nature with children and young adults.  She began volunteering as a Friends volunteer naturalist, visitor center helper, and trail rover in 2017.  She has a BS in zoology from the University of Sheffield in her native England and a Masters in teaching from Oregon State University. Before relocating to Sherwood, she taught English to international students at OSU and now teaches in K-12.


Ed Squiers
, Restoration Committee 



© Friends of Tualatin River National Wildlife Refuge
    19255 SW Pacific Hwy
    Sherwood OR 97140

We are a 501(c)(3) non-profit organization dedicated to supporting the mission of the Tualatin River National Wildlife Refuge 

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