The meeting of two personalities is like the contact of two chemical substances; if there is any reaction, both are transformed.
-Dr. Carl Jung
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About Our Instructors
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Andy Burt
(andy@sgnb.com)
Andy Burt is a sturdy young fellow who likes to get dirty! He and
cob/natural building have married quite well. Andy has spent two
years with the Cob Cottage Company as an apprentice and assistant
instructor helping to build and run their North American School
of Natural building. Together with his partner and son, Andy
lives as far off the grid as it gets. On a small tract of land
in the northern reaches of Oregon's Siskyou Mountains, they
maintain sustainably their humble homestead. Andy is the only
college dropout on SGNB's building team.
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Danny Viescas
(danny)
Danny lives in North County San Diego where he grew up, and spends most of his time working as a software developer. Although on occasion he also designs things, builds stuff, surfs, hikes, reads, plays guitar, and hangs out with his nieces. Danny has had a passion for architecture from a very young age, and has been involved in natural building since 2002.
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Jacob Deva Racusin
(deva)
Greetings! I have been creating functional art with wood, stone, straw, earth, and other assorted materials since 2000, when I began designing and constructing a solar-oriented straw bale house in Montgomery, Vermont (near Jay Peak, in the northern mountains), in which I now live with my family - my wife Mary, my son Elijah, daughter Naomi, and son Micah.
I am very excited to be involved with SGNB, and to be working with this phenomenal group of professionals, helping to spread the good word of sustainable and natural design and construction. My particular interests lie in cold-climate straw bale construction, natural painting and plastering, bioregional design and construction, and the integration between buildings and their environments. I have a special place in my heart for owner-builders and homesteaders, and love working with people who want to take shelter into their own hands.
In addition to educational work with SGNB and the Yestermorrow Design/Build School, I am a building and plastering contractor and consultant, aiding homeowners, owner-builders, general contractors, and designers alike in all phases of the creation of natural buildings. When not building things, I can often be found working part time as a web developer, growing and raising food and children, wandering around in the woods, and playing tenor saxophone and assorted percussive instruments. I look forward to seeing you at the next workshop!
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Mark Krawczyk
(mark)
Hello all. I'm excited to introduce myself as a new member of SGNB. I've been building structures using natural materials since my first cob workshop in the fall of 2001 (just a few months after first meeting Deva). The following summer I participated in the Cob Cottage Company's apprenticeship program in Coquille, Oregon where I first met Tim, Andy and Sasha. Since discovering the field of permaculture in college, my adult life has focused on the cultivation of useful skills that help enhance my own self-reliance and my usefulness to the communities around me. I've undertaken internships, apprenticeships and work trades with teachers around the States and the UK in fields that include organic agriculture and forest gardening, keyline and permaculture design, green woodworking, timber framing, dry stone walling and coppice forestry. I live in Burlington, Vermont and my current ambition is finding and developing a homestead in rural Vermont where I can continue to cultivate the skills I've been acquiring and share them with others who may be interested. I whole-heartedly look forward to the expanding future of SGNB!
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Sasha Rabin
(sasha@sgnb.com)
Sasha Rabin has a degree in Ecological Design from Evergreen State College.
She has studied natural and traditional methods of building in Mexico,
Belize, Guatemala, Indonesia, and the southwest United States. Following an
apprentice at the Cob Cottage Company she worked with them as an assistant
instructor and went on to co-found Seven Genereation Natural Builders. She
built a cob dwelling in the southwest US that she is curently living in.
She contuinues to teach with SGNB, as well teaching as a guest instructor
at the
Real Good Institute for Solar Living, and
Yestermorrow Design/Build School.
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Tim Rieth
(tim@sgnb.com)
As an archaeologist living and working in Oceania the lessons of community,
stewardship of natural resources, and sustainable living became readily apparent
to me. Coupling my interests in traditional architecture with other natural building
methods I became an apprentice and assistant with the Cob Cottage Company in 2001.
In 2003 I co-founded SGNB with Sasha and Andy. I have continued to instruct with
Cob Cottage Co, the
Yestermorrow Design/Build School, and other natural building groups.
When I'm not building and teaching I'm spending time on tiny green islands in the blue
Pacific.
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Testimonials
Feel free to email our friends below

Tim lecturing in pennsylvania
These young people are as impressive in their being as they are in their work. Love for the earth, and all life is the foundation of their passionate eloquence as gifted natural builders.
-Cara G, Pennsylvania
These guys were great. I loved their teaching styles and grasp of both the knowledge and hands-on application.
-Danny V, California
I have had the great privilege and honour to work with and study under the people behind SGNB. I found them to be skilled builders and instructors but most of all, fun to be with. I have no hesitation in recommending them to you as builders and instructor
-Micheal D, Dublin, Ireland
The SGNB instructors created an inspiring and supportive learning experience. As a novice to natural building, I left my first workshop motivated and confident with my new skills.
-Kris S, Oregon
Seven Generations is made up of kind people who really know what's up in natural building. And besides that, they can really make you laugh!
-Miki'ala and Jonathon, California
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