Michael Arrington joined Particulate Solid Research Inc. in 1980 as a lab technician. PSRI was located on the campus of Manhattan College in Bronx New York. In 1990 Michael relocated with PSRI to Chicago Illinois. Michael became the chief lab technician and helped design, fabricate and run several research units including Dense phase conveying, cyclone attrition and cyclone efficiency.

In 2017 Michael was promoted to developmental research engineer. Michael ran the cyclone and standpipe research programs and lead several contract projects.

Michael has attended Manhattan and Clarkson College and holds a two-year degree in Engineering Science from Sullivan College.