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Contact Solution Tree in Washington
Learn more about what we do
Darren Grissom
Director of State Offices
Email Darren: darren.grissom@solutiontree.com
Reach Darren now: 800.733.6786 ext. 046
Candace Bowles
Project Manager
Email Candace: Candace.Bowles@SolutionTree.com
(800) 733-6786 ext. 501
Brian Duggan
Director of Educational Partnerships
Region: WA, OR
Email Brian: Brian.Duggan@SolutionTree.com
Call/text Brian now: 253.364.0803
Justin Materna
Marzano Resources Director of Educational Partnerships
Reach Justin now: 800.733.6786 ext. 1013
Email Justin: Justin.Materna@MarzanoResources.com
Robert Croissant
Event Sales Manager
Region: West
Reach Robert now: 803.553.5630
Email Robert: Robert.Croissant@SolutionTree.com
Contact Us
Upcoming Events
Starting a Movement: Building Culture From the Inside Out in Your PLC Workshop
Spokane, Washington | April 20–April 21, 2026
Mathematics at Work™: Best Practices for Teams Workshop
Spokane, Washington | April 22–April 23, 2026
PLC at Work® Institute
Tacoma, Washington | August 03–August 05, 2026
PLC at Work® Institute
Spokane, Washington | August 12–August 14, 2026
High Reliability Schools Summit
San Antonio, Texas | January 11–January 13, 2027
