Barney & Barney, an insurance brokerage firm in the US, has appointed Dennis Borsenberger as a client executive in its Commercial Division in San Diego office.

With a focus on complex casualty risks, Borsenberger brings extensive experience with public and private life science and bio-tech firms, defense contractors, products manufacturers, transportation and marine-related risks.

He also works with numerous large not-for-profit entities in San Diego.

Borsenberger began his insurance career in 1991 with Timothy S Mills Insurance Services. He remained with the same agency for 20 years through three subsequent acquisitions, the most recent by Willis in 2008.

Prior to entering the insurance industry, Borsenberger was the chief financial officer at Kettenburg Marine.

Barney & Barney principal and director of the commercial division Jack Galloway said Dennis has a deep involvement in the San Diego community and has built great relationships with his clients over the years.

"It’s these long-standing relationships and industry ties that speak volumes about the consulting and expertise he provides," Galloway said.