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About Us

A9 Green is a leading building consultant providing HERS ratings, AeroBarrier Sealing, and Passive House/LEED certifications. With over 14 years of experience, we have established ourselves as a trusted partner of developers, architects, and builders in the building industry. We provide a one-stop solution for achieving optimal energy performance. 

Meet the Team

Bijan KHosraviani, Ph.D.

Bijan KHosraviani, Ph.D.

Principal/Founder

Bijan has been in the energy consulting industry since 2006. His main areas of interest are energy efficiency, conservation, and renewable energy. He has an extensive background in building science and has worked both on existing homes as well as new construction. He understands and believes that energy efficiency is one of the least expensive and most effective ways to help our environment.

Bijan is a PHIUS+ (Passive House) Rater and Verifier, RESENT Certified HERS Rater, BPI Building Analyst, ICC Residential Energy Inspector/Plans Examiner, and holds a Ph.D. degree in Civil and Environmental Engineering from Stanford University.

Pari Safiari

Pari Safiari

Operations Manager

One of the most rewarding experiences for Pari is working with our team to service homeowners, architects, and builders toward building sustainable, energy-efficient projects.  She believes each individual can do their small part to contribute to our environment. Her diverse background in information technologies, process control, project & sales management, have allowed her to assist with managing the workflow of our projects.

Justin Benjaminsen

Justin Benjaminsen

Project HERS Rater, PHIUS + Verifier

Justin's primary role as a HERS rater and PHIUS+ verifier is to ensure the successful completion of projects from start to finish. This includes initial analysis and discussions, field visits and testing during construction, as well as final testing and certification with energy modeling software. Thinking about reducing energy use and sustainability, especially in a field where many people might not consider, it is what attracted his attention to this growing industry.

Joe Remondi

Joe Remondi

Energy Efficiency Specialist

As a RESNET certified Rating Field Inspector,  Joe conducts the inspections and necessary performance tests to produce a home energy rating. As a key part of our AeroBarrier division, he leads the team in the field for applications of this cutting-edge air sealing technology. Joe relishes the opportunities for problem solving that his roles present, often calling on experiences from his 18 years in the flooring industry before joining A9. Outside of work, he takes pleasure from his bikeable commute, spending time with his family, and completing DIY projects at home.

Gabrielle Cortina

Gabrielle Cortina

Project Coordinator

Gaby is A9 Green’s Project Coordinator and has been with the company since 2022. Gaby graduated from Boston University in 2022 with a degree in Political Science and a background in community service and project management/ coordination. Outside of work, Gaby likes to rock climb and listen to local music.

Sebastian Wood

Sebastian Wood

Energy Efficiency Specialist

Sebastian began working with A9 Green in January 2023, and is excited to be working with a company actively resisting the climate emergency. In his roles at A9, Sebastian can be found communicating with clients, conducting field inspections and collaborating with team members on important projects. In his free time, Sebastian can be found watching soccer, or playing the guitar. 

Summer 2023 Intern Team
Summer 2023 Intern Team

Our team of experts have years of experience in the energy efficiency sector and are excited to work with our clients to help them reach their goals.

We take pride in encouraging the next generation of green-minded individuals. We actively teach interns about energy efficiency and the importance of green technology in the 21st century. At A9 Green, we believe that everyone should have the opportunity to learn and grow.

To inquire about job/learning opportunities, please Contact Us! We look forward to hearing from you. 

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