Board Of Directors

Stephanie Sage Kerst, founder of Sage Living, is a Building Biology certified Electromagnetic Radiation Specialist (EMRS) and Building Biology Environmental Consultant (BBEC). She works with homeowners and families throughout California…  

Ryan Blaser, BSc, EE, EMRS, BBEC, HAAC is an electrical engineer with over over 20 years of experience, including prior work for the Department of Energy and as an air…  

Sonia Hoglander, MBA, BBEC, EMRS is the owner of HomEvolution Consulting, is an electrical engineer with an extensive background in project and program management, IT and communications solutions consulting, business…  

Annette Koch, BBEC, EMRS, is Co-Chair of our institute’s Student Advisory Committee, and founder of Health Wise Spaces, providing guidance, education, comprehensive testing and mitigation strategies based on the 25…  

Andrew Guido, BBA, BBNC, is a Certified Building Biologist, and a Certified Circadian Wellness Auditor focused on new home construction. He is on the Advisory Board of the Investigative Journalism…  

Jen Jobart is a Build Science Educator and Consultant.  Through her company Practical Healthy Homes, she helps families build healthy, resilient homes they can thrive in. Jen is a triple-certified…  

Michael Feldstein has spent over a decade in disaster response and environmental remediation, working hands-on to restore homes and buildings after major fires, floods, and mold outbreaks. Through years of…  

Susannah Ziehe, Board Member ex officio, is the wife of our late founder Helmut Ziehe. Susannah’s involvement in IBE began in 1998 when she studied the Mini Course, which subsequently…  

While non-profits as a rule are not required to post their minutes publicly, we believe in operating transparently for our students, donors, and the general public. Earlier minutes are available…