We are dedicated to making your indoor spaces healthier

Our Team of Environmental Consultants

Since our founding in 2009, Healthy Building Science has grown into a thriving small business servicing the greater San Francisco Bay area. These are the folks that work hard to make it all possible. For an larger view on the History of Healthy Building click here.

Alex Stadtner

Alex Stadtner

President & Senior Consultant

MS, CGBP, GPR, LEED-AP, HHS, BBEC, CIEC, WELL AP.

Alex started on the path of environmental work in college, where he attained a degree in Environmental Science & Environmental Policy. After college he worked for two years as a Sustainability Manager at Antioch College, before moving to New Hampshire to earn an MS in Resource Management & Administration at Antioch New England.

After graduate school, he worked with green building consulting pioneers at the Center for Maximum Potential Building Systems in Austin, and then a Portland-based company specializing in third-party building rating systems, especially LEED. Since then Alex has completed numerous environmental testing inspection courses to broaden his knowledge of the industry and bridge the gap between environmental science and building science.

David Sasse

David L. Sasse

Director of Environmental Services

Certified Microbial Investigator (CMI) and Indoor Environmentalist (CIE) Board-awarded by the American Council for Accredited Certification.

David comes to Healthy Building Science with a background in all phases of property development and management. His knowledge of building construction and environmental science makes for a unique blend, and enables David to identify problems in buildings sometimes before they are even visible!

David holds two degrees from the University of CA at San Diego, one BS in General Biology/Biochemistry, and a BA Major in Music Performance with a minor in Economics. When he’s not inspecting or collecting samples you might find David managing his properties, playing volleyball, acting on stage, sailing the San Francisco Bay, or even flying solo overhead in his plane!

Sophia Balestreri

Sophia Balestreri

Chief Operations Officer, COO

“Healthy Building Science is the type of service that has successfully combined making a positive impact on our environment and creating a sustainable business. I am very excited to be a part of this growing company.”

Sophia has a background in Holistic Health and Green Building. She and her husband opened one of the first green retail stores in the country where the focus was selling healthy building materials and healthy home furnishings. As a mother she has always been concerned about creating a healthy environment and now fits right in with a company that shares her passion.

Sophia holds a BA in Psychology from Dominican University in San Rafael, and is a Certified Holistic Bodywork Therapist & Educator from the National Holistic Institute in Emeryville.

When you call or email for the first time you’ll probably get a cheery greeting from Sophia, and she gracefully manages all the behind-the-scenes stuff that makes a business work!

Kunjan Shah

Kunjan Shah

Senior Green Building Consultant

LEED AP, BD+C, Building Envelope Commissioning Agent, (BECxA) Safety Assessment Professional, FEMA Natural Disaster Zone.

Kunjan earned her Bachelor’s Degree in Architecture from LSR School of Architecture, Mumbai, India in 1995. In 1996, she came to the San Francisco Bay Area. She is a licensed architect and has a tremendous passion for building design and construction.

Over the last 16+ years Kunjan has developed expertise in building science and sustainability. She has made it her mission in life to use her skills to transform buildings into resource efficient, healthy contributors to the built environment in economically viable ways.

Kunjan is an active member of the Environmental Initiatives Committee of Los Altos Hills and a member of the USGBC Silicon Valley Programs Committee.

Carlos Flores

Carlos Flores

Business Development

Carlos Flores is a San Francisco native with a passion for evolving business relationships. Carlos joined Healthy Building Science with a vision to bridge his two domains of expertise; business development and construction with the purpose of a healthier living environment for ourselves and future generations to thrive. Carlos is a graduate from University of the Pacific's Eberhardt School of Business. Prior to joining HBS Carlos was a partner in a general contracting firm. This unique skill-set places him at a remarkable advantage when collaborating with clients from both the sales and development perspective. When Carlos isn't addressing the invisible forces lurking in your living environment you can find him pursuing activities that keep his adrenalin working at peak performance such surfing at Ocean Beach, tearing down the mountain on his bike, rock climbing or masterminding ways to entertain his brand new baby girl.

Kevin Cordes

Kevin Cordes

Senior Environmental Consultant

Certified Microbial Investigator (CMI) and Indoor Environmentalist (CIE) Board-awarded by the American Council for Accredited Certification.

Kevin has been working and studying in the environmental sector for over a decade. He contributes a diverse work experience and knowledge on a broad range of environmental issues.

Kevin is a Bay Area native. He has an MS and a BS in Environmental Science & Ecology. Kevin has been working as an industrial hygienist and asbestos inspector in New York and is excited to be back serving the Bay Area.

Kevin also spent two years serving as a Peace Corps volunteer in Ghana, working with local farmers and helping to establish a nature reserve. He brings a strong work ethic, deep knowledge of environmental contaminants, and a great attitude. Kevin worked in Ghana for the Peace Corps where he helped organize community projects including environmental conservation and infrastructure development. We are delighted that Kevin has joined our team!

Katie Bachner

Katie Bachner

Green Building Consultant
Katie believes the spaces we inhabit have a lifelong effect on our health, both physically and psychologically. With a background in the arts and sustainable building, she applies her knowledge of aesthetics and its visceral impact on the senses to home design.

Before joining Healthy Building Science, Katie worked as a project coordinator for a modular sustainable building company, as a realtor in Manhattan and Brooklyn, and as a curator for several art galleries in NYC and the Bay Area.

Katie is an accredited LEED Green Associate and holds a Master's degree in contemporary art from the Sotheby's Institute of Art. She is a regular contributor to the San Francisco based publication, The Believer, where she interviews thought leaders in sustainable building and the arts.

Katie is grateful to be assisting people in making their homes and the planet a better place to live in.

Jose Acosta

Jose Acosta

Environmental Inspector
Jose joins the Healthy Building Science team having come to the Bay Area from Boston, where he worked in student services, and later, as a building manager and facilities coordinator for the Massachusetts Institute of Technology. A New York City native, Jose received a BA in Photography and Social Science from Vermont’s Bennington College. After college Jose’s continuing interest in physics and chemistry led him to experiment with alternative printing and lighting processes throughout his study and practice of photography and his social science background led him to work for the Audubon Expedition Institute’s environmental studies program in New England, which focused on the social consequences on our environmental choices.

In addition to working as an inspector with Healthy Building Science you can find Jose moonlighting as a pyrotechnician, doing fireworks for the Oakland A’s, San Francisco Giants and the city of San Francisco. When not having fun at work, Jose enjoys caving, backpacking, SCUBA diving and trying to keep up with his teenage boys.

Laurel Cain

Laurel Cain

Environmental Inspector

For the past decade Laurel has worked in the environmental field to reduce toxins, implementing sustainability certifications for building materials, and recently joined HBS as an environmental inspector.

Laurel has a passion for helping people to create environments that enrich their lives. Prior to her work in the environmental field, she was a commercial artist creating decorative paint finishes. After focusing on the aesthetic aspects of spaces, her interests evolved into creating more healthful spaces motivated by the poor air quality that results from many building materials and coatings.

Laurel holds a B.A in painting and intensive coursework in chemistry from Portland State University and the Evergreen State College and is a Certified Sustainable Building Advisor. She spends her free time tending to her garden, creating art, and sailing on the San Francisco Bay.

Team
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