Sonoma Team

Charles Berkstresser

Charles was born and raised in the mountains of Colorado. He received his undergraduate degree in International Business from University of Colorado, Boulder and Masters degree in Spirituality from Pacific School of Religion, Berkeley CA. Prior to launching Tragaluz, Charles was the Vice President of Marketing and Communications at WesPay, a financial services trade association. He also has served as Executive Director of the Hawaii Epilepsy Foundation, a non-profit organization.

Jan Kahdeman

Jan Kahdeman
A writer and editor at heart, Jan Kahdeman consults in marketing communications, public relations, grant research/writing, and technical writing. Her clients include organizations in the non-profit sector and local commercial and high-technology enterprises.

Julie Montgomery

Julie is the Greening Director of the 2012 Biochar Conference.

Tanya Clausius

Undergraduate work in Natural Resources and graduate work in supply chain management has given Tanya Clausius a unique perspective on environmental an sustainable business. She hopes to help businesses and municipalities turn their green waste into biochar.

Oren Wool

Oren Wool
Oren Wool advises organizations looking to improve their economic, environmental, and social sustainability metrics. As the Principal of 108 Technologies, Oren implements technology solutions to improve organizational communication and support brand messaging. As a project manager, he builds team to promote ideas, policies, companies and products that prosper from sustainable development and foster social equity. Recent clients include organizations focused on food safety, organic agriculture, herbal supplements, fair trade, biodiversity and healthy lifestyles.

2012 US Biochar Conference Sponsors

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