Mr. Ridosh has been a Certified Industrial Hygienist for over 20 years. He has extensive experience (over 30 years) in the environmental industry. During this time, he has worked in multiple aspects of the industry, including but not limited to hazardous materials, site investigations, site remediation, chemical investigation and contamination, and hazardous waste. He has managed projects in excess of one million dollars for both federal and private sector clients. In the past he has served as the Safety Officer for major environmental firms and currently writes Health and Safety plans for many of gja’s sub-surface investigations.

At gale/jordan associates, inc., Mr. Ridosh oversees the mold investigation and Indoor Air Quality programs, reviewing all documentation as well as performing site work and directing field personnel. Mr. Ridosh has performed mold investigation for several years, conducting investigations in residential and commercial structures.

His experience in Indoor Air Quality Investigation includes researching and investigating chemical contaminants, CO, chlorinated solvents, and fuel hydrocarbons, as well as many other issues.

Mr. Ridosh was awarded a B.S. in Chemistry, from Cal State Northridge, and a Masters in Business Administration from Cal Lutheran. He is a member of the American Board of Industrial Hygiene. For the past seven years, he has served as a Professor at UCLA Adult Extension Program teaching "Problem Solving in Site Investigation and Remediation" for the Hazardous Materials Management Certificate Program.