Tree Bressen

Client List (partial) & Past Experience

In the past two decades, Tree Bressen has worked with more than 150 organizations: nonprofits, businesses, government agencies, cooperative living associations, faith congregations, activist troupes, educational institutions, conferences, and assemblages of every sort.  Her experience has been roughly half facilitating issues and half providing trainings. (Formal resume available if needed upon request.)


  • Breitenbush Hot Springs
  • Dungarvin Oregon
  • Growers Market Food Cooperative
  • Hummingbird Wholesale
  • Morning Glory Restaurant
  • Mother Tongue Ink
  • Organically Grown Company
  • PFS Medical, Inc.
  • Physical Therapy Services
  • Sperry Tree Care


  • Alt Blues Dance Recess
  • Beloved Festival (& Inspire Truth)
  • Bioneers Oregon
  • Communal Studies Association (academic researchers)
  • Creating Change conference
  • FIC Art of Community
  • International Association of Facilitators national conference
  • Local Food Connection
  • Metamedia Cooperation
  • NASCO Institute (North American Students of Cooperation)
  • National Association of Housing Cooperatives national conference
  • National Coalition for Dialogue & Deliberation national conference
  • Nexus for Change conference
  • North American Cohousing conference
  • Nonviolence as a Way of Life conference
  • Northwest Intentional Communities Association
  • Oregon Mediation Association conference
  • Public Interest Environmental Law Conference
  • Reuniting America Transpartisan Citizen Town Hall
  • Twin Oaks Communities Conference
  • Village Building Convergence
  • Western Worker Co-op Conference
  • Women’s Opportunity Worldwide


  • Building Bridges 
  • Mending Natural Systems 
  • Oregon Citizens Initiative Review
  • Oregon Department of Human Services
  • Oregon Pathways Academy
  • Oregon Public Health Division
  • Safe & Sound Collaborative


  • Friends of the Dhamma
  • Sophia Sanctuary
  • Unitarian Universalist Church of Vancouver


  • Blue Mountain School
  • Heathcote Center
  • Lane Community College
  • Lewis & Clark College
  • Lost Valley Educational Center
  • Portland State University: Leadership, Ecology, Culture and Learning program
  • University of Oregon
      • Campus Safety Forum
      • Conflict & Dispute Resolution program
      • School of Public Policy, Participation & Management
      • Sexual Wellness Advocacy Team
  • Wellsprings Friends School


  • Aprovecho Research Center
  • Camas Educational Network
  • Center for Story-Based Strategy
  • City Repair
  • Cohousing Association of the United States (Coho/US)
  • Co-Intelligence Institute
  • Community Supported Shelters
  • Confluence Environmental Center
  • Ecovillage Network of the Americas
  • Eugene Permaculture Guild
  • Fellowship for Intentional Community
  • Healthy Democracy Oregon
  • Heart of Now
  • KSOW Radio
  • Materials Exchange Center for Community Arts (MECCA)
  • Meaningful Movies
  • Middle Eastern Belly Dance Guild of Eugene
  • McKenzie River Gathering
  • Network for Reproductive Options
  • New Culture Institute
  • Northwest Coalition for Alternatives to Pesticides
  • Occupy Medical
  • Oregon Country Fair (Community Village)
  • Oregon Midwifery Council
  • Oregon Women’s Land Trust
  • Parkinson’s Resources of Oregon
  • School Garden Project of Lane County


More than 70 intentional communities (cohousing, land trusts, student co-ops, etc.) throughout North America, at all stages from early formation to decades after move-in, including:
  • Columbia Ecovillage (Portland, OR)
  • Corvallis Cohousing (Corvallis, OR)
  • Dancing Rabbit Ecovillage (Rutledge, MO)
  • Daybreak Cohousing (Portland, OR)
  • Dharma Rain (Portland, OR)
  • FrogSong Cohousing (Cotati, CA)
  • OUR Eco-Village (Shawnigan Lake, BC, Canada)
  • LA Eco-Village (Los Angeles, CA)
  • Santa Rosa Creek Commons (Santa Rosa, CA)
  • Shannon Farm Land Trust (Afton, VA)
  • Sunward Cohousing (Ann Arbor, MI)
  • Tryon Life Community Farm (Portland, OR)
  • Twin Oaks (Louisa, VA)
  • WindSong Cohousing (Langley, BC, Canada)


Why is it that some meetings bring life to your soul, while others leave you wishing you'd never stepped in the room? What happens at the best ones, that makes them productive, fulfilling, sometimes even magic?

In addition to considerable client work, Tree's experience also includes founding and stewarding the Group Pattern Language Project, collective nonprofit publisher of Group Works: A Pattern Language for Bringing Life to Meetings and Other Gatherings. This project drew together more than 50 experienced facilitators to distill the core wisdom of creating healthy group dynamics. The findings were published in the form of a 100-card deck, forging a tool that convenors and groups use for purposes such as planning an event, reflecting afterward, assessing skills and gaps, bringing energy and spirit to sessions, and more. The content deliberately aims at a middle ground: more specific than values, less specific than tips and techniques, cutting across existing methodologies to name patterns that repeat.

This labor of love has been generously released under Creative Commons license with free download available. Since publication in 2011, Group Works has been acquired by thousands of people around the world. Users in dozens of countries have purchased printed copies of the English edition, while autonomous teams abroad have translated it into Spanish, French and German. See