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What we learn in the classroom we will apply in the construction of a new house for a local family with limited economic resources in San Juan Comalapa, Guatemala!

Overview of July 2018 Academy

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Peter has been building with earth since 1999 and as a result he has a unique level of experience and knowledge about the various natural building materials and techniques in South Africa. On a mission to spread the word about natural building he has been teaching and running natural building courses since 2010, after starting Natural Building Collective.


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Peter McIntosh

Classroom & Hands-On


Hugo Chex


Hugo was born and raised in San Juan Comalapa, Guatemala. He joined the LWH team in 2011 as an experienced mason and was soon promoted to project foreman. Hugo has since led green building projects in several regions in Guatemala, in 2014 was critical to the construction of multiple off-the-grid homes in Choachi, Colombia and is currently the foreman of a 40+ person green building crew in Comalapa.

Matt was raised in Lufkin, TX. He first went to Guatemala as a Peace Corps volunteer in 2002. At the end of his service, his in-country counterpart, the director of a local NGO, requested Matt’s help in transforming a five-acre piece of land into a community park. In 2004 Matt filed the non-profit application to start LWH and by Feb 2005, Parque Chimiya was underway. Prior to starting LWH Matt worked in construction and as a 911 Paramedic. In 2013 he earned a Bachelor’s in Sustainability and in 2015 a Masters in Education.


Matt Paneitz



Adam Howland


Adam first came to Guatemala in 2002 as an Appropriate Technology volunteer with the Peace Corps. Adam joined the LWH team for the development of Parque Chimiya and has since been a cornerstone of the LWH staff ever since. Adam is the driving force behind the designs of LWH’s campus and off-campus projects. He specializes in sustainable building techniques and is extremely resourceful with the local materials that are available to him.

Roberto was born and raised in San Juan Comalapa, Guatemala. He joined the LWH team in 2012 without any construction experience and dove right into learning more about green building techniques with a wide range of different resourceful and typical building materials such as bamboo to eco-bricks. Now he has climbed the ranks as Construction Team Leader at LWH. For LWH’s first Green Building Academy in August 2018, the project focus was constructing a new home for Roberto and his family.


Roberto Peren



Ask us about learning how to use our excavator!


optional weekend excursion:

Lake Atitlan is one of the most beautiful sites in Central America, and San Juan Comalapa is only a few hours away! Come celebrate a well-deserved vacation with a weekend at Lake Atitlan for just $250 extra to include transportation and lodging only.

or Contact Us for more information!