Ryan Keefer

Ryan Keefer
Technical Manager / Particle Characterization Chemist V

Ryan Keefer is a Technical Manager / Particle Characterization Chemist V at PTL. A member of the PTL team since 2012, Mr. Keefer started as a Particle Characterization Chemist I before advancing into laboratory management. As PTL’s Technical Manager, he is responsible for leading technical decisions and operations in our Nano-Characterization and Particle Speciation department. As a Particle Characterization Chemist V, Ryan is responsible for applying his years of experience in various areas of particle characterization to solving complicated client projects and providing advanced support to both clients and PTL’s laboratory staff. Mr. Keefer brings his knowledge of particle characterization, with a specialty in nanotechnology, towards working with clients to overcome challenging projects and deliver meaningful, comprehensive results.

Mr. Keefer attended Western Illinois University and the University of Illinois and has bachelor’s degrees in Bio-Chemistry and Education, and a master’s degree in Chemistry.

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