About Us
Exergy provides advanced membrane and electrochemical
separation technologies for the recovery of valuable process
materials, and the reuse of water. Exergy offers innovative
technologies using a variety of membrane and electrochemical
principals to solve broad manufacturing problems in various industries:
  • SOLAR 
Exergy’s advanced membrane-based systems, include EthorCEL® and PUROxys®. The Company also provides conventional membrane technologies such as advanced (low) pressure ultrafiltration (UF) to complete its designs.

Our Team
Azita Yazdani, P.E., Founder and CEO
A seasoned environmental executive with over 25 years of industry experience, as well as, national and international recognition in the environmental industry and technologies. She has led Exergy since its founding where she served as a directer of IP development, marketing, and sales. She was also the manager of product design for EthorCel®; Exergy’s first product platform. 
Ms. Yazdani served as technical advisor on the EPA Sustainable Industry Project and President Clinton’s National Advisory Council for Environmental Protection and Technology (NACEPT). She implemented extensive water recycling and material recovery projects and conducted a large number of industrial pollution prevention assessments in the U.S. and abroad. Her experience spans over a large array of industries including, but not limited to, electronics, aerospace, metal finishing, food, textiles, and pharmaceuticals.

She holds a B.S. in Chemical Engineering from the University of California, Berkeley, and an Entrepreneurial Management Certificate from UCLA Anderson School. She is a registered chemical engineer in California.





Jerry Johnson, Chief Financial Officer

Brings over 25 years of experience as a financial executive in the cleantech industry to the CFOs2GO practice leadership. He has held CFO and other senior level financial positions for clean energy (wind, solar, biomass, MSW, and natural gas), clean water (wastewater treatment, biosolids reuse) and environmental services (composting, recycling) companies.

Marc A. Guidi, VP Strategy and Client Services
Has over 25 years of experience focused on strategy, planning, operations, and professional services at PwC, E&Y, GE and Cisco. Mr. Guidi is a results oriented, culturally savvy leader with 25+ years’ experience in strategy, planning and operations. Mr. Guidi possess a proven, successful track record of leading large, global organizations and teams across a variety of industries from the US and abroad having lived and worked in Asia for a number of years. He has extensive experience guiding companies and organizations through change and accelerating growth. He has managed operating budgets of over $300M, cross-functional global teams of over 800 people, and governance & oversight of operational investment portfolios of >$1.0B.

Craig B. Todd, Director of Engineering
Craig has over 22 years of engineering experience over a broad range of industries including semiconductor, solar and industrial capital equipment design, manufacture and support, nuclear power plant engineering support, and numerous new product development projects.
He has also managed several engineering design teams, including offshore resources.

Craig graduated with a B.S. in Electrical Engineering from the University of Florida and an MBA from the University of Phoenix. He is also a graduate of the US Navy Nuclear Power Program.

Yassin Mehmandoost, Director of Process Engineering and Tool Development.
Has More than 30 years of hands-on experience in Process/Product development and manufacturing Processes in high tech manufacturing, and in R&D, product engineering, development and delivering of equipment and processes to HDD market. He has worked in tool manufacturing companies as director of process engineering where he developed and patented state of the art processes including CMP cleaning and drying equipment and processes.

He graduated from University of Oklahoma with a MS in Chemical Engineering. He holds 16 patents.

Nazy Farhang, Operations Manager

Is a former sales and marketing executive, Nazy Farhang brings over two decades of management and operational experience to Exergy. From operational management of different size offices, to her background in real estate and publishing, she offers multi-faceted management expertise to allow the Company to position itself for growth. Fundamental to Nazy's success is her attention to detail, sincere commitment, and her passion.

Nazy graduated from University Of San Francisco with a BA in Communications.
Our Advisory Board:
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