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WHO WE ARE - STAFF INTERNATIONAL

We are committed to training and hiring field staff who possess an intimate understanding of the customs and circumstances of our participant families.     

Click on the below links to meet staff from each of our country programs.

Belize
Honduras
Nicaragua
Panama

Justin Trezza  - Program Director (2008)
Prior to beginning his career with SHI, Justin dedicated his time to grassroots organizing and environmental advocacy with Greenpeace USA. Justin, a graduate of the George Washington University, first got involved in the non-profit world in 1999 when he interned with the social entrepreneur organization Ashoka: Innovators for the Public. Following his graduation with degrees in International Affairs and Anthropology in 2002, Justin set off for the jungles of Honduras where he served three years as a Peace Corps volunteer working to educate and mobilize rural farmers. During his service, Justin worked to develop integrated design systems such as biodigestors that utilized organic waste material to produce energy for cooking. In addition to integrated systems, Justin worked towards implementing permaculture as part the Protected Areas Management training program of Peace Corps Honduras. Justin remains committed to the principles of simplicity and holistic approaches to solving our current energy and environmental crisis.

Mercedes Alvarez  - Regional Coordinator (2005)
Mercedes has established an NGO in Nicaragua that builds solar ovens and solar food dryers in addition to promoting techniques for solar means to purify water.  She has an advanced degree in Chemical Engineering from the National University of Engineering in Managua, and worked for a number of years with the Nicaraguan Ministry of Health as an analyst of chemicals and pesticides in drinking water, and she taught organic chemistry at the National Autonomous University  of Nicaragua.  Mercedes has also worked with medical teams from the U.S. on health projects in rural areas of Nicaragua, and on ecological projects at the Laguna de Apoyo research center near Masaya.  She has traveled extensively in the U.S., Central America, Europe and India.