Katrin Klingenberg is Co-Founder and Executive Director of the Passive House Institute US (PHIUS). PHIUS promotes the wide adoption of passive building principles in North America through specialized professional consultant training and certification, project certification, and educational efforts for building professionals and the general public. - - - - Ms Klingenberg designed and built the very first home constructed in the United States using the European passive house standard and design specifications in 2003. She has designed and consulted on numerous passive projects since across North America's varied climate zones. In addition to her executive role she is the lead instructor for PHIUS Certified Passive House Consultant CPHC training. In that role she directs curriculum. She also directs the technical and research programs of PHIUS, and is a licensed architect in Germany.