ATRI Insurance Services Expands Team with Key New Hires

ATRI Insurance Services, LLC, a specialty Managing General Agent focused on Management and Professional Liability insurance, today announced the continued expansion of its underwriting team with several key new hires, including Kylor Bellistri, Assistant Vice President, Cidney Thomas, Vice President, Southwest Regional Lead, and Jacob Kuzel, Assistant Vice President, Midwest Regional Lead.

The additions reflect ATRI’s continued investment in experienced talent as the company expands its capabilities and grows its portfolio of Management and Professional Liability products backed by A++ rated capacity.

“We are excited about the caliber of talent joining ATRI and the momentum we are building across the organization,” said Russell Fierstein, Managing Partner of ATRI Insurance Services. “Kylor, Cidney and Jacob bring valuable experience and industry knowledge to our team. As we continue to grow, adding talented professionals who share our commitment to underwriting expertise, responsiveness and strong broker relationships remains a key priority.”

Kylor Bellistri joins ATRI as Assistant Vice President, Financial Institutions. Based in New York, Bellistri brings insurance industry experience to ATRI previously with Chubb and will support the company’s continued growth within the Financial Institutions segment. He is a graduate of Brown University.

Cidney Thomas, CPCU, ARM, joins ATRI as Vice President, bringing nearly 25 years of insurance industry experience to the organization. Based in Dallas, Thomas previously held positions with Sompo, Chubb, Travelers and Marsh. She holds both the Chartered Property Casualty Underwriter (CPCU) and Associate in Risk Management (ARM) designations and is a graduate of Temple University’s Fox School of Business and Management.

Jacob Kuzel, RPLU, joins ATRI with experience across professional and financial lines insurance. Prior to joining ATRI, Kuzel held positions with Zurich North America, Arch Insurance and Aon. He holds the Registered Professional Liability Underwriter (RPLU) designation and is a graduate of Illinois State University.

The new appointments come as ATRI continues to expand its underwriting capabilities across Management Liability, Financial Institutions, Miscellaneous Professional Liability, Cyber, Technology E&O and Lawyers Professional Liability. ATRI is focused on pairing experienced underwriting talent with efficient technology and highly rated capacity to provide responsive solutions to its broker and agent partners.

“Growth for us is about more than adding people—it’s about continuing to deepen the expertise we can bring to our partners,” Fierstein added. “We see significant opportunity ahead and are building a team positioned to support that growth.”

About ATRI Insurance Services

ATRI Insurance Services, LLC is a Managing General Agent dedicated to bringing top-rated capacity to a broad spectrum of Management and Professional Liability programs. With experienced leadership, a disciplined underwriting approach and a focus on lasting partnerships, ATRI provides specialty insurance solutions to brokers and agents nationwide.

For more information, visit www.atriinsuranceservices.com.