Maddie Seibert

Maddie Seibert

Maddie engages communities and creates strategic plans for climate and waste management projects at Cascadia. She thoughtfully brings diverse communities to the table and facilitates conversations on issues ranging from building decarbonization to used motor oil...
Hailey Weinberg

Hailey Weinberg

Hailey provides research and analysis expertise for greenhouse gas inventory, climate, and sustainability projects across the West Coast. She applies her experience in greenhouse gas emissions analyses and research of sustainability issues and climate impacts to...
Nicole Gutierrez

Nicole Gutierrez

Nicole leads strategic planning efforts related to climate and natural resource management initiatives, providing expertise to guide groups toward productive planning and policy development outcomes. Nicole is passionate about capacity building with organizations and...
Lauren Thead

Lauren Thead

Lauren joined Cascadia in 2025 with more than 15 years of experience in the sustainability field, working across the public, private, and nonprofit sectors. Most recently, Lauren served as a consultant with Anthesis Group and ENGIE Impact where she led GHG accounting,...
P.J. Tillmann

P.J. Tillmann

P.J.’s love of science, people, and planet drives everything they do. Give P.J. a leading-edge policy or technology to research, a project to apply it to, and a team to collaborate with, and they will be enthusiastic, to say the least. As a core member of Cascadia’s...