Tim Delhey Eian, Founder and President
Dipl.-Ing. Arch. , Certified Passive House Designer and Consultant – TE Studio

Tim Eian is a German-born and trained architectural engineer with over seventeen years of professional experience in innovative high-performance designs. He is passionate about holistic design solutions that deliver on all aspects of sustainability. In addition, Tim is a master carpenter, graduate of the technical University of Kaiserslautern, Germany, and one of the first professionals in North America to design a certified Passive House building.

Mike Woolsey, Vice President
Business Development Manager – Swegon

Mike Woolsey began his career in the HVAC industry in 1985, while completing his BSME degree from Washington University in St. Louis, although his interest in building energy conservation was first inspired by the energy crisis of the 1970s. Currently specializing in applications, market management and business development, Mike has presented hundreds of seminars across North America and is currently serving as Business Development Manager in the Commercial Ventilation group of Swegon North America. Mike is also a member of ASHRAE.

Janneke Schaap, Secretary
TE Studio


Tarek Alkatout


Marcy Conrad Nutt

Marcy is a licensed architect in Minnesota with over sixteen years experience with many building types and scales. She believes that utilizing the scientific approach of Passive House is the best way to make smart conservation, health, and fiscal decisions for building projects.

She enjoys working collaboratively, brainstorming new ways to find common goals between different interests, and continues to learn and teach others how to build responsibly.

She is an architect with Alchemy in St Paul, where the firm utilizes the prefabrication process to create smaller, smarter, tighter homes, and is currently studying to become a Passive House Designer.