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.

maika profile

Maika Horjus, Communications & Development 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.


Natalie Brubaker, Education Manager, oversees the youth and adult education programs at Canopy. She enjoys creating opportunities for people to explore their local ecosystem and learn from others in the community.  Natalie’s love of trees developed in the Piedmont region of the southern states where she grew up in Atlanta, known as “The City in the Forest.”  

After completing her B.S. degree in Environmental Studies at Emory University, Natalie served as Director of Afterschool Programs at The Advent School in Boston.  Her interest in place-based education led her to pursue her master’s degree in Ecological Teaching and Learning at Lesley University.  Prior to joining Canopy in the fall of 2016, Natalie was the Farm & Landscape Educator at Gore Place, an historic site in Waltham, MA.

Uriel Hernandez

Uriel Hernandez, Community Forestry 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 after returning from seven months of living abroad in the Costa Rican jungle. Prior to Canopy, Shannon worked with various nonprofits in roles such as public policy research, community outreach, and advocacy. 

Shannon holds a Master of Urban & Regional Planning from San Jose State University, where she studied community development. She enjoys spending her free time exploring new places, hiking, and practicing yoga. Send Shannon an email.

Elise Willis

Elise Willis, Community Forestry Coordinator, joined Canopy in fall 2015. She started as a part-time staff member conducting two studies for the City of Palo Alto’s Urban Forest Master Plan, and is excited to begin implementing some of the recommendations to grow the canopy in south Palo Alto. Prior to Canopy, Elise worked for the City of Palo Alto as a contract employee checking building permits for the Urban Forestry division.

Elise holds a BS in Forest Resources and Conservation from the University of Florida, and is an ISA-Certified Arborist. She enjoys hiking and is excited to continue exploring California’s wonderful natural areas. Send Elise an email.

2016-2017 Teen Urban Foresters


Eric Perez is a Sophomore at Eastside College Preparatory School where is he also a member of the debate team. He is interested in climate change and the arts, and likes to spend time reading articles, going to the movies, and crocheting. He joined Canopy’s Teen Urban Foresters in the fall of 2015. This year, his goals are to improve his leadership skills and bring his community closer together. His favorite trees are avocados and redwoods because they represent his culture as a Mexican-American.

“My vision is to see the community unite and thrive!”


Liz Chavez-Trujillo is a Junior at East Palo Alto Academy. In her free time, she enjoys shopping, taking walks, going to the gym, watching movies, and visiting San Jose.  She is excited to work at Canopy because she believes we should keep our planet green and clean.  She likes to communicate with different people and experience things that she didn’t know before.  Her favorite tree is the cherry tree because it has beautiful features and she loves the blossoms.  

“My vision is that one day we can all work together to make this a better place!  We need to unite for a change!  Together we can change the world.”


Juan Chavez-Trujillo is a Junior at East Palo Alto Academy.  He likes to spend time outdoors, paintball, work out, and hang out with friends.  His prior experience working with plants sparked his interest in Canopy.  His goals as a Teen Urban Forester are to gain practice leading volunteer groups and to plant as many trees as possible.  His favorite tree is a cherry tree because he had one when he was younger and it reminds him of his childhood. Cherries are also his favorite fruit to eat.

“My vision is that one day my community will look like a city in a forest.”


Cynthia Perez is a Senior at Eastside College Preparatory School.  She enjoys drawing and painting with water colors.  She was inspired to join the Teen Urban Foresters after volunteering at Canopy for her school CARE Project last year.  She likes the sense of community at Canopy, and is excited to work with people who have the same interests.  Her goal is to become an expert in tree planting and tree care.  She hopes to learn and share quirky facts about trees with her friends and family. Her favorite tree is a type of eucalyptus that has crescent-shape leaves and a nice smell.  

“My vision for the community is to spread awareness about the importance of trees and caring for the environment.”

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

~ Alan Weller,
Palo Alto Resident

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