Meet the Team
Our independent insurance agents have extensive experience and certifications that you can trust.
We aren't tied to any one agency like the big insurance companies, so we can make sure you are getting the very best plan for the lowest price.
Jim Stone
President
Jim is the president and founder of Cornerstone Preferred Insurance in Glendale and Santa Clarita. With over 35 years of experience, he has developed a broad clientele and has expertise in a number of different industries. Jim has earned both his Certified Insurance Counselor (CIC) and Certified Risk Manager (CRM) designations!
Ian Martin
Senior Vice President
As Senior Vice President, Ian handles many responsibilities for Cornerstone. In addition to overseeing his business and personal clients, he also manages the Health Insurance division. Ian has earned designations for Certified Insurance Counselor (CIC) and Commercial Lines Coverage Specialist (CLCS). He works out of our Glendale office.
Susan Payne
Senior Account Manager
Our Mission
"We at Cornerstone are an independent insurance agent, committed to bringing more markets and services to our clients, while still providing an excellent customer service experience. Our priority is to provide you with the best possible coverage for the best possible price, so that you can have peace of mind, knowing your needs are being treated as if they were our own.”