Solutions in Professional Liability

About Us

We’re the right insurance brokers for professional liability products.


Cooper & McCloskey, Inc. (CMI) is a wholesale insurance brokerage specializing in Professional Liability. With CMI, you benefit from exclusive access to carriers, unparalleled industry expertise, and a genuine commitment to service that allows you to quickly identify and secure the right product among the leading options available in the marketplace.

CMI is headquartered in Walnut Creek, California with regional offices throughout California; Oregon; Washington; Florida; Arizona; Colorado and Michigan. CMI is licensed in nearly all 50 U.S states.

CMI was founded by Harold Cooper, Keltie McCloskey and Joe Pinkowski in 1997. Harold’s spirit, ethics, and memory continue to inspire us every day.

Our strengths are your advantages

Market expertise: We have a singular focus: professional liability. So when you speak to one of our insurance brokers, we immediately recognize which type of coverage your client requires. Even better, we can foresee how your client will be able to benefit by enhancing existing coverage.

We’re a wholesaler: Our buying power allows you to choose from the most options available in the market.

Exclusive access: Get access to carriers and programs that are often unavailable to retail brokers. With a more substantial book of business, carriers are more responsive and provide us quicker access to the products you need.

We’re your advocate: You can always count on unbiased and personalized recommendations that guide you to the right solution. No matter the size of your account, you can always expect responsive service.

An agent’s partner: We fully understand what agents need in order to best serve their clients. We’re constantly developing new programs to help you satisfy prospects and grow your business.

Meet the Partners

Keltie McCloskey Cooper & McCloskey Insurance Brokers Founder
Keltie McCloskey Principal Partner, founding member

Keltie started his career in retail commercial insurance sales with a large regional broker in San Mateo, CA. In 1987, he became a partner in a commercial lines insurance agency in South San Francisco that specialized in professional and employment practices liability for the staffing industry. This program became the cornerstone of the formation of CMI. Now with over 30 years in the insurance industry, Keltie helps to develop products and programs that continually benefit CMI clients.  An avid boater, Keltie guides CMI and their clients towards continuous success.

Joseph Pinkowski Cooper & McCloskey P&L Insurance Brokers Founder
Joseph (Joe) Pinkowski Principal Partner, founding member

Joseph (Joe) Pinkowski is a principal partner and founding member of Cooper & McCloskey, Inc. Joe has more than thirty five years of experience in the insurance industry, both as an underwriter and wholesale broker in the professional liability arena. While in high school, Joe began his insurance career with a regional Property & Casualty managing general underwriter as an intern. Joe graduated from San Francisco State University with a Bachelor of Science in Business Administration and concentrations in Corporate Finance, Banking and Real Estate. After graduating from college, Joe joined a national wholesale brokerage in their Financial Services department. He has expertise in the arenas of Directors & Officers Liability, Employment Practices Liability, Media Liability and all classes of Errors & Omissions insurance. He lives in Castle Rock, CO with his wife, Laura and their son Will. Hobbies & interests include watching his son play hockey, golf & pickleball, and an avid interest in vintage motorcycles & scooters.