Mallory BresslerManaging Director

Originally from Lafayette California, Mallory graduated from the University of Michigan in 2007 with degrees in Sociology and Political Science, with a focus on education and social change. Following her undergraduate career, Mallory enrolled in the National Teaching Fellowship program with Citizen Schools through which she received her Masters in Education and became the Campus Director of an extended learning day program in Boston, MA. Following her three years with Citizen Schools, Mallory became an education consultant working with non-profits around the country training young educators, developing curriculum and increasing non-profit capacity. Mallory speaks English and Spanish.  Contact Mallory at

Lucas OshunExecutive Director

Born and raised in Sebastopol California, Lucas Oshun graduated from University of California Santa Cruz in 2007 with degrees in Community Studies and Politics with a focus on International Relations. During his studies he interned at Global Kids in NYC, where he learned about the importance of discussion based workshop education, and international relations education for high school students. He has traveled extensively in South East Asia, Europe, the Middle East, Central and South America. Grateful for having had the opportunity to experience different cultures and to travel internationally, Lucas believes strongly in providing travel, cultural immersion and grassroots organizing opportunities to young people. Lucas speaks English and Spanish.  Contact Luke at

Kate CriglerCommunications and Development Manager

From West Sonoma County, Kate graduated from UC Santa Cruz in 2008 with a degree in Anthropology.  Her love of cultural exploration has inspired her to travel, work and study in China, India, Vietnam, Thailand, Nepal, and in Tanzania, Nicaragua and Ecuador with GSE. Prior to her work with GSE Kate worked with Outer Voices (a Sonoma County based non-profit  broadcasting stories of grassroots women leaders through radio documentaries) and created a pilot curriculum that linked the documentaries with standard high school lessons. Kate also worked in the administrative department of the Occidental Arts and Ecology Center in Sonoma County, and developed an art curriculum at TOIT elementary school in Bhaktaphur, Nepal.   Kate speaks English and conversational French. Contact Kate at

Wyeth WunderlichSanta Cruz Program Coordinator

Raised in Sebastopol, California; Wyeth was one of GSE’s initial participants as a high school senior. Wyeth received his Associates degree from Cabrillo College in 2012, after which he worked as a field technician at Shingle Shanty Preserve and Research Station conducting research around forest ecology and peat bogs. Wyeth has worked as a GSE trip leader in both Ecuador and Nicaragua, and believes strongly in the power of community-sourced action in addressing challenges of food and water security. GSE’s unique blend of collaborative learning, grassroots organizing, and solution-oriented projects compelled Wyeth to remain involved with GSE throughout his undergraduate education. Wyeth will graduate from UC Santa Cruz in the Spring of 2015 with a Bachelor of Science in Plant Sciences. Wyeth seeks to cultivate solutions with a blend of contemporary knowledge and traditional practices. Wyeth speaks English and Spanish. Contact Wyeth at

Ramon Cedeno Loor – Ecuador Program Director

Ramon has been a biology and chemistry teacher for ten years in Bahia de Caraquez. He has been conducting after school youth leadership, environmental education programs in partnership with the city of Bahia and Planet Drum Foundation for the past six years. Ramon’s lessons and interactions with students are exciting, dynamic and fun. Ramon is committed to environmental restoration and helping students realize their potential to impact the positive change they’d like to see in their local environment and community. Ramon has been a GSE staff member since December of 2010. Contact Ramon at

Socorro ReyesGarden Manager, Boaco, Nicaragua 

Last year Socorro graduated as the first apprentice from the Bio-Intensive Center in Nicaragua. He comes from a family that has been farming for generations. During his career as a farmer he has deviated from the traditional chemical farming methods commonly found in Nicaragua. By embracing the merits of organic methods Socorro has become a community leader in charge of projects that include familial gardens, potable water and sustainable kitchens. Socorro facilitates the garden located at Clinica Verde in Boaco focused on preventative healthcare through wholesome nutrition, as well as two schools in the area. He loves to work in his thriving bio-intensive farm at home and playing with his two children.

Chrissy Orangio – Contra Costa County Program Coordinator

Originally from Atlanta, Georgia, Chrissy graduated from Elon University 2009 with a degree in Environmental Science and International Studies, with a focus on society. Following her undergraduate career, Chrissy became an AmeriCorps Leader for Montana Campus Corps, a program to support college student volunteers across the state of Montana.  After completing her year with AmeriCorps, Chrissy received a Rotary Ambassadorial Scholarship to study at University of Cape Town in South Africa where she earned her Master’s Degree in Environmental and Geographic Sciences. While in Cape Town, Chrissy volunteered with several non-profits that built community gardens in schools in townships (extremely poor, underdeveloped areas on the outskirts of the city).  She has lead exchange trips to South Africa and recently worked with GSE in Nicaragua. Chrissy speaks English and Spanish. Contact Chrissy at

Felipe BurbanoEcuador Eco Club Coordinator

Felipe is the EcoClub coordinator for three high schools in the city of Bahia de Caraquez. He grew up in Quito, Ecuador but has spent the past 10 years following his nomadic spirit: from tending cattle in Israel to fixing motorcycles in Buenos Aires, Felipe has acquired a vast skill set.  Most recently, Felipe worked on a permaculture farm in Salta, Argentina where he discovered his passion for agriculture and working with the Earth. Felipe is extremely dedicated to GSE’s gardens, reforestation, recycling, and conservation projects at the schools and around the city and is passionate about motivating students to change their own communities and ecosystems. Felipe speaks Spanish and English. Contact Felipe at

Rachel KatzDirector of Operations
Rachel has two decades of experience working with non-profits that she brings to GSE. In 1996, shortly after graduation from Stanford University, Rachel co-founded and lived 18 years at Dancing Rabbit Ecovillage, in Missouri, before moving to Oakland, CA. While in Missouri, she earned her Master’s Degree in biology studying birds and land management. She has applied her organizational super powers to grow organizations such as The Mosaic Project and EOS International. She has traveled extensively in Central America and worked in Nicaragua with EOS. Rachel speaks English and Spanish. Contact Rachel at

Rolando ChevezNicaragua Program Director

Rolando Chevez is a recent college graduate from the region of Chacraseca, Nicaragua. He studied Eco Agriculture at the Public University of Leon and focused on cooperative organic production. Previously, Rolando worked with GSE’s partner organization, Students for 60,000, to plant bio intensive orchards. Rolando currently works full time for GSE leading garden programs with students of all grade levels at 3 local schools. Rolando loves living in the countryside on his family’s farm and enthusiastically applies those practices to community projects that provide large amounts of organic produce to the Chacraseca community. Contact Rolando at

Tania BenavidesNicaragua Program Coordinator 

Tania was raised in a family of environmental activists and ecologists, and visited  agro ecology farms across Central America during her childhood. Tania followed in her family’s footsteps by developing expertise and seeking advanced formal training in environmental engineering, rural risk management, and biointensive farming. Tania holds a bachelors in environmental engineering and a bio-intensive teaching certification from ecology action. Tania is bringing her passion and experience to the development of new programs in Chacraseca and Boaco.

Jonathan Kaufman – Marin Program Coordinator 

Born in Boston, Jonathan graduated from Oberlin College with a degree in Environmental Studies. His passion for local food has led him from farm work in rural Ohio, to directing a team working to increase food access in inner city Cleveland, to working as a sous-chef at a local/organic café. He’s lived in Ecuador and led service trips throughout the US as well as El Salvador, and Nicaragua. He believes strongly in the empowerment offered by small-scale agriculture and intercultural exchanges. Jonathan speaks Spanish and English.

Contact Jonathan at

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