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Treysta Group LLC


Our Projects


About Treysta Group

The Treysta Group, based out of Mount Horeb, Wisconsin, is a multi–faceted firm that specializes in hospitality-based businesses from restaurants to housing. Our focus is in Wisconsin and Louisiana.  We believe in creating buildings and businesses that are cost effective to build, own and operate while respectful of their natural environment.


Robin Pharo

Founder and President of Treysta Group

Author, You Don’t Have to Wear Hemp Underwear

Robin Pharo is the founder and President of Treysta Group, LLC. She is also the former Director of the Green Built Home Program, a program of the Wisconsin Environmental Initiate that supports voluntary Green Building programs for single and multi-family homes. She also assisted the National Association of Home Builders (“NAHB”) in its rollout of the National Green Certification program as a member of their local homebuilder association working group. 


Ms. Pharo holds a Bachelor of Science degree from the University of Wisconsin – Madison and educational certificates from organizations working in improving the environment, including the Department of Energy, the Department of Housing and Urban Development, and the NAHB.


Tim Duerst

Vice President

Timothy Duerst has over 20 years in various industries that are essential to the Treysta Group business. He has hands-on work experiences in the building trades including heating/cooling/ventilation, roofing, electrical, and plumbing. He has experience from the foundation of buildings to the roof. Timothy understands how a building goes together and what it takes to ensure a home remains healthy throughout its life.


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