Roy Bartholomew Sonora CA is the Director of Engineering for Modesto, California-based On Guard Security Systems Inc. Mr. Bartholomew was born and raised in the Bay Area of San Francisco. He is the youngest of seven children born to French-speaking Cajun parents.
Roy Bartholomew Sonora is also the owner of By Referral Only Electric. After 35 years in the engineering field, he has a unique set of skills in high demand, as well as good relationships with business owners locally and nationally.
Mr. Roy Bartholomew Sonora CA is well-known in the engineering community for his high-quality engineering, design work, and consulting for Biodomes and other engineered ecosystems. This is in addition to his full-time job and business ventures. Today, Mr. Bartholomew lives with his wife and son in Northern California.