A Leader in Indoor Environmental Health Stephanie Sage Kerst is the President of the Board of Directors for the Building Biology Institute (BBI) and the founder of Sage Living. As a dual-certified Electromagnetic Radiation Specialist (EMRS) and Building Biology Environmental Consultant (BBEC), Stephanie is a leading voice in the movement to create health-supporting indoor spaces.
Balancing Technology and Wellness Based in the heart of Silicon Valley, Stephanie understands the challenges of living in a hyper-connected world. She focuses her work on finding "win/win" solutions—enabling the use of new technology platforms while ensuring families are protected from unnecessary exposure to:
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Radio Frequency (RF) Radiation: From wireless devices and cell towers.
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AC Electric & Magnetic Fields: From home wiring and appliances.
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Dirty Electricity: Mitigating power line interference for a cleaner electrical environment.
A Decade of Expertise Stephanie’s journey to Building Biology began over a decade ago. After a successful career in fashion and living abroad for five years, she pivoted to environmental health to help others navigate the complexities of man-made EMFs. Today, she conducts rigorous inspections of homes, schools, and offices nationwide to measure and reduce environmental toxins.
Education & Professional Leadership
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President of the Board: Building Biology Institute (BBI)
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Certified EMRS: Electromagnetic Radiation Specialist
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Certified BBEC: Building Biology Environmental Consultant
Important information about Stephanie: