Mallory Bressler - Director of Program Development 

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. With a passion for travel and education, Mallory believes that local and international service-learning is a key component for youth leadership, community development, and social change. Mallory speaks English and Spanish.  Contact Mallory at

Lucas Oshun - Executive 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 Crigler - Communications 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 has been involved with GSE since its founding, and has great confidence in young people’s ability to affect grassroots change in our food systems, environment and international relations.  Kate speaks English and conversational French. Contact Kate 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



Adam Goldberg - Sonoma County Program Coordinator

A native of Ukiah, California, Adam graduated from UC  Santa Barbara in 2003 with a degree in Global & International Studies.  Following graduation Adam moved to Nagano, Japan to work as an English Teacher at Muraizosha Language School.  Following extensive travel and volunteer work in Asia, Central and South America Adam returned to the United States in 2009 to pursue a Masters in International Education at The SIT Graduate Institute.  The experiential nature of his program took him back to Japan as a Group Leader for The Experiment in International Living and to Malawi, Africa for his second year practicum, where he worked in organizational development at Kumsala Institute for Agriculture & Ecology.  Adam is excited to be back home in Northern California and believes cross-cultural exchange, experiential education, and grassroots community development are at the heart of educating the next generation of changemakers and creating a just and sustainable future for all. Adam speaks English, Spanish, and Japanese.  Contact Adam at

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 is a firm believer in engaging young people in service-learning and international exchange trips because of the effect it has on the students’ lives as well as the local communities. Chrissy speaks English and Spanish.  Contact Chrissy at


Rolando Chevez – Nicaragua 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

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