John P. Mason graduated from San Francisco Law School in 1997. Since then, he has devoted his career to representing victims of mesothelioma and other asbestos diseases. Mr. Mason is involved with all aspects of litigation, but is best known for his ability to develop witness and documentary evidence supporting victims' claims.

He is recognized by asbestos attorneys across the nation as one of the foremost experts in "product identification," that is, the gathering of evidence to prove which company's asbestos products were used at a given location. He supervises the investigative team at the firm, and coordinates legal discovery.

Mr. Mason is currently a member of the State Bar of California and the Consumer Attorneys of California.