Our Group

Our in-house consultants and engineers work in conjunction with a stable of consultants in academia and across industries. Additionally, we maintain a large network of organizations that provide ready access to opportunities for collaboration on projects. 

Senior Team Members

Mr. Alex Spataru has worked in the aerospace, oil and gas, and management consulting industries in the U.S., Canada, and Europe. Mr. Spataru served as an U.S. Army Officer from 1969 to 1973. His undergraduate and graduate degrees in engineering and business were completed at UCLA.

Mr. Spataru has extensive experience with alternative fuels and engines. He has consulted to state and federal regulatory entities, large and small manufacturers, oil and gas companies, as well as to utilities, laboratories (research, certification, testing), and trade associations.

Mr. Spataru has been involved in the commercialization of numerous technologies including: liquefied petroleum gas (LPG) dedicated engines, compressed natural gas (CNG) fueling stations, fuel additives, diesel engine enhancement systems, low NOx ceramic burners, co-generation systems, gas detection systems, and high efficiency gas boilers.

Mr. Spataru occasionally speaks at energy or environment related conferences. He is a member of the American Society of Gas Engineers, the American Society for Testing and Materials, the International Standards Organization, the International Society for Measurement and Control, the Society of Automotive Engineers, and has served as Director of the Gas Detection Industry Association.

Mr. Nolan Sambrano manages operations and business support functions at ADEPT. He is also a technical and managerial lead on energy and engineering projects, and consults on business development and strategy. He helps to build teams, pursue funding, and develop projects that advance the development, demonstration, and commercialization of newer technologies, as well as providing support for projects and operations at established facilities. His experience in the energy and environmental industry includes work in alternative fuels, geothermal power, high altitude wind, PV, and energy efficiency. He has managed work for private and public sector clients including the US Department of Energy and the California Air Resources Board.

Mr. Sambrano’s earlier experience includes heavy-duty engine market research, emulsified diesel production and use in medium and heavy-duty engines, and technology development and field testing of products for the LP Gas industry. Prior to his involvement in the energy sector, he was a process development engineer in the semiconductor industry.

Mr. Sambrano is a Certified Energy Manager, is active with the Association of Energy Engineers, and has a bachelor of science degree in chemical engineering from UCLA.


Mr. William Hamelin grew up in Quebec City, Canada. He joined The Adept Group, Inc. (ADEPT) in February 2018.

At ADEPT, William has overseen a range of green tech projects which include: offshore wind energy, criteria pollutant sensor payloads on UAV’s, utility scale solar, water conserving appliances and fuel use optimization systems for Ocean Going Vessels. He has also gained valuable experience in assembling and managing private-public technology test and demonstration projects. Mr. Hamelin plays a key role in ADEPT’s business development, financial & budgeting operations.

He graduated with a Bachelors of Art in Economics from California State University Northridge (CSUN) where he was on the Dean’s list each semester.  He also earned A Certificate of Distinction in Environmental Sciences from UCLA Extension.  Mr. Hamelin has managed and advised students from UCLA’s Institute of Environment & Sustainability & UCLA’s Samueli School of Engineering and Applied Science during their senior Capstone & Practicum classes or while interning at ADEPT.