Mike Horgan is a PHI Certified Passive House Consultant, zero-net-energy and Passivhaus design-builder, and licensed general contractor in Massachusetts and California. He lives full-time in the Central Coast region of California. Mike founded Horgan Design-Build, Inc. on Cape Cod, Massachusetts, and now runs Cairn Collaborative, LLC, a design-build firm in San Luis Obispo, California.

Mike provides education for builders and architects with In Balance Green Consulting as a residential construction specialist. He is on the advisory board of the Tri-County Regional Energy Network on the Central Coast; is Vice-President of Passive House California; co-chairs the Building Decarbonization Task Force in San Luis Obispo; and was named San Luis Obispo’s Climate Champion of 2019 by the SLO Climate Coalition.

Combining an academic background in economics, finance, education, and linguistics from Worcester University and Boston University with over two decades of residential construction experience, his work focuses on designing and constructing homes, not only for his clients but to create real-life teaching moments. He aims to transition all builders and architects from baseline practices to designing and building more responsibly with better-performing, healthier, more efficient, and more comfortable homes built to zero-net-carbon through Passivhaus.