Meet The MAS Team

MAS employees are a team of skilled and talented professionals, dedicated to providing quality results.
Our mission is to provide expert analytical solutions to our clients with integrity and confidentiality.

William E. Longo, Ph.D


Dr. Bill Longo is a Materials Scientist/Electron Microscopist who specializes in the analysis of asbestos-containing materials. In 1983, he founded Micro Analytical Laboratories, which became one of the first commercial labs in the country to provide Transmission Electron Microscopy (TEM) analysis of asbestos-containing air and dust samples. In 1987, Dr. Longo became president of Materials Analytical Services. Under his guidance, MAS grew into a leading laboratory in the fields of chemical analysis and materials characterization for a number of industries including: occupational health safety, environmental, engineering services, industrial hygiene, and building and construction materials. Bill is currently the CEO of MAS.

Bob Schmitter

MAS Certified Green Technical Director

Bob has over 25 years of experience in environmental management, having worked on projects involving asbestos abatement, site remediation, and brownfield redevelopment. He has worked in consulting, academic research, and laboratory settings. He offers expertise in regulatory compliance and project management. Bob holds Bachelors and Master’s Degrees in Geology, a law degree, and is a member of the State Bar of Georgia.

Bill Egeland is a professional geologist/mineralogist who has been a Senior Consultant since 2009 and with MAS for over 30 years. He is an expert at optical, transmission electron and scanning electron microscopy and specializes in asbestos products as well as in the analysis of asbestos exposure throughout the US. He has worked to solve industrial hygiene and indoor air quality problems throughout his career at MAS.

William Egeland, M.S., P.G.

Senior Consultant

Freda Shaw joined MAS in 2019 to lead the Chemistry Department.  She has over 15 years of scientific experience including analytical and managerial roles in service laboratories.  Freda specializes in logistics, efficiency, and quality improvements while providing technical and analytical guidance to the members of the Chemistry Department at MAS.

Freda Shaw

Chemistry Department Manager

Christina Le

Emissions Department Manager

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