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.


Elise WillisElise Willis, Urban Forestry Technician,
joined Canopy in fall 2015. She is a part-time staff member conducting two studies for the City of Palo Alto’s Urban Forest Master Plan. One investigates reasons for the tree canopy disparity between North and South Palo Alto, and provides recommendations to plant more trees in South Palo Alto. The second explores ways to reduce tree root and sidewalk conflicts in Palo Alto.

Elise holds a BS in Forest Resources and Conservation from the University of Florida, where she studied forest and recreation management and chaired the UF Chapter of the Society of American Foresters. Prior to working with Canopy, Elise joined the City as a contract employee checking building permits for the Urban Forestry division, and continues this work part-time. She enjoys hiking and is excited to continue exploring California’s wonderful natural areas. Send Elise an email.



2015-2016 Teen Urban Foresters

Elizabeth Perez is a Senior at Eastside College Preparatory School. She joined Canopy’s Teen Urban Foresters in the summer of 2014. Elizabeth first volunteered with Canopy in 2013, to plant trees at her former elementary school, and has been caring for trees ever since. Elizabeth enjoys journalism, debate, and outdoor activities. She wants to study economics or international relations in college and attend law school.

“My vision is for the community to be more aware of the environment.”

Eric Perez

Eric Perez is a Freshman at Eastside College Preparatory School. He joined Canopy’s Teen Urban Foresters in the fall of 2015. He is interested in climate change and the arts. He likes plants in general, and has a special affinity for avocado trees.

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

Diamond Allen is a Sophomore at Eastside College Preparatory School. He joined Canopy’s Teen Urban Foresters as a freshman in the fall of 2014. Diamond’s favorite tree is the Wollemi Pine, which is the first tree he planted. As a Teen Urban Forester, Diamond enjoys getting to know volunteers and being able to give back to the community.

“My vision is to inspire others and to start a chain of change in my own community.”

Marcus Law

Marcus Law is a Junior at East Palo Alto Phoenix Academy. He joined Canopy’s Teen Urban Foresters in the fall of 2015. He loves playing sports and is interested in marine biology. His favorite tree is the oak tree.


Fernanda Marquez

Fernanda Marquez is a Junior at Eastside College Preparatory School. She joined Canopy’s Teen Urban Foresters in the winter of 2016. Fernanda’s favorite tree is the lemon tree because she had one in her backyard as a child and has fond memories of making lemonade and lemon bars with its fruit. She is looking forward to developing her leadership skills and positively impacting the community as a Teen Urban Forester. She aims to study business in college to fulfill her dream of starting her own make-up line.

“My vision for the community is to create a healthier environment that I can look back on in 10 years, and say that I made a difference to my community, and the next generation.”

Ashley Jack Teen Urban Forester with Canopy

Ashley Jack is a Junior at Eastside College Preparatory School. She joined Canopy’s Teen Urban Foresters in the winter of 2016. Ashley enjoys listening to music, going for walks, and spending time with friends and family. Her favorite tree is a Ash Tress because Ash is her nickname and because it’s big and provides a lot of shade. As a Teen Urban Forester she looks forward to learning more about tress and DriWater refills. She wants to study Pre-Med and Anesthetics in college.

“My vision for the community is for present and future generations to continue to try to keep the community a clean and safe place for everyone.”

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

~ Alan Weller,
Palo Alto Resident