Catherine Martineau, Executive Director, has been a leader in the nonprofit urban forestry field for over a decade. She serves on the board of California Releaf, a statewide urban forestry organization. She brings to her role extensive professional experience in both the financial and management consulting sectors. Leading Canopy, she draws on her professional experience as well as her personal interest in community service, education and the environment.

A native of France, Catherine started her career in Paris with the BNP Group and moved to the United States in 1986, joining BNP Venture Capital. In 1991, she and her husband created Martineau & Associates, a management consulting practice specializing in new initiatives. Catherine holds a post-graduate degree (ABD) in economic theory, a master’s degree in mathematical economics, and a bachelor’s degree in international economics from the University of Paris. Catherine became Executive Director in 2004. Send Catherine an email.


Michael Hawkins, Program Director, has loved planting trees since he participated in his first neighborhood tree planting in Oakland at age ten. He joins Canopy most recently from Davey Resource Group where he was a Consulting Utility Forester for PG&E. Prior to that, Michael was a project coordinator at Our City Forest in San José and worked on the Million Trees NYC initiative with the New York Restoration Project.

Michael holds a BA in Literature from the University of California, Santa Cruz, and studied Horticulture at Cabrillo College. He is also an ISA-Certified Arborist. Michael joined Canopy in 2010. Send Michael an email.





Natalia Schoorl, Tree Care & Education Manager, joined Canopy as a full-time coordinator for Canopy’s tree care program in September 2012, after completing a summer internship with Canopy. Prior to Canopy, Natalia taught English in rural Spain, and worked for Our City Forest in San José as an AmeriCorps volunteer pruning and caring for trees.

Among the redwoods at the University of California, Santa Cruz, she studied World Literature and Cultural Studies with a particular emphasis on how landscape relates to history, identity, and memory. She enjoys outdoor activities, especially hiking and cycling. Natalia is fluent in Spanish. She is also an ISA-Certified Arborist. Send Natalia an email.



maika profileMaika Horjus, Communications & Outreach Manager, joined Canopy in fall of 2013. A native of the verdant Pacific Northwest, she brings a love of connecting people with nature and with one another. Prior to Canopy, Maika worked with a community food security non-profit in her hometown of Vancouver, Washington, cultivating volunteer efforts and coordinating a small-scale marketing co-op for urban farmers.

Maika holds a BS in Conservation and Resource Studies from the University of California, Berkeley, where she studied community development and conservation biology. Send Maika an email.



Anwyn Hurxthal, Senior Development Specialist, oversees Canopy’s foundation and corporate grants. Anwyn helps guide strategic development and communications outreach. Prior to joining Canopy in 2007, Anwyn managed signature cause programs for Cone Inc’s Fortune 500 clients in Washington DC. Before that, Anwyn worked with Oxfam America in Boston, developing communications campaigns for national and international initiatives. She has also served as a consultant specializing in nonprofit branding.

Anwyn holds a bachelor’s degree in Anthropology from Boston University, and studied communications design at the Corcoran College of Art and Design. Born and raised in Africa, Anwyn is now a California rancher. She spends her free time running her family ranch with her husband and two children. Send Anwyn an email.


Uriel HernandezUriel Hernandez, Program & Outreach Coordinator, started volunteering for Canopy in his home town of East Palo Alto, in May 2014 and joined Canopy as a staff member in May 2015. He holds a bachelor’s degree from Middlebury College where he studied Architecture and History. Studying in rural Vermont he developed a love for the manmade and natural worlds around him and discovered a desire to bridge discord between the two.

Prior to Canopy, Uriel worked at several Bay Area start-up companies where he developed an ability to juggle many roles. He enjoys exploring the diverse ecosystems found throughout the Bay area. Send Uriel an email.




Shannon McDonald Shannon McDonald, Operations Coordinator, joined Canopy in fall 2015. She recently spent six months living amongst the jungle of Costa Rica, after years of living in the Santa Cruz Mountains. Prior to Canopy, Shannon worked with various community development and environmental nonprofits in roles such as public policy research, community outreach, and advocacy.

Shannon holds a degree in Master of Urban & Regional Planning with a concentration in Community Development from San Jose State University. She loves to spend her free time exploring new places, hiking, and practicing yoga. Send Shannon an email.



2015 Interns

Elizabeth GreenfieldElizabeth Greenfield, Young Tree Care Survey Manager, is excited to spend another summer interning for Canopy. She started volunteering for Canopy during the Young Tree Care Survey of 2011 and has come back almost every summer since then, coordinating the survey for the first time in 2014.

Elizabeth is a student at Whitman College in environmental sociology, where she continually confirms her love of exploring and learning outside, especially in areas populated with trees. Send Elizabeth an email.




Jorge RodriguezJorge Rodriguez, Urban Forestry Intern, started volunteering with Canopy in 2012 and joined the Teen Urban Forester crew in the summer of 2013. He graduated from Eastside College Preparatory School in 2014 and has completed his first year at Menlo College in Atherton, where he aims to study finance and accounting.

As an intern with Canopy, Jorge hopes to build on his leadership experience, and is eager to teach the new crew of Teen Urban Foresters about trees. His favorite tree is a large avocado tree at his home in Menlo Park, of which he has fond memories from childhood.




Teen Urban Foresters

Canopy also employs a team of high school youth as part of our Teen Urban Forester (TUF) program. Meet this year’s Teen Urban Forester Team.

Summer 2015 TUFs

“Canopy’s staff and volunteers are dedicated, serious and sophisticated about preserving
and expanding
Palo Alto’s canopy.”

~ Alan Weller,
Palo Alto Resident