October 9, 2026: ATRI Insurance Services, LLC, a specialty Managing General Agent focused on Management and Professional Liability insurance, today announced that Cidney Thomas, CPCU, ARM, has joined the company as Vice President.
Based in Dallas, Thomas brings nearly 25 years of insurance industry experience and deep technical expertise to ATRI. Her extensive background further strengthens ATRI’s underwriting capabilities and supports the company’s continued growth across its specialty insurance platform.
“We are thrilled to welcome Cidney to ATRI,” said Russell Fierstein, Managing Partner of ATRI Insurance Services. “She brings the combination of technical expertise, industry experience and relationship-driven approach that is central to how we are building ATRI. Adding professionals of Cidney’s caliber positions us to continue delivering the underwriting expertise and service our broker partners need.”
Thomas holds both the Chartered Property Casualty Underwriter (CPCU) and Associate in Risk Management (ARM) professional designations. Throughout her career, she has held positions with Sompo, Chubb, Travelers and Marsh, bringing broad experience across the insurance industry to her new role at ATRI. She is a graduate of Temple University’s Fox School of Business and Management.
Thomas joins ATRI during a period of continued investment in talent and capabilities across the organization. The company continues to build its team of experienced specialty insurance professionals to support its growing portfolio of Management and Professional Liability products.
“I’m excited to join ATRI and contribute to the company’s continued growth,” said Thomas. “ATRI has built a strong platform with an experienced team and a clear commitment to its broker partners, and I look forward to being part of what comes next.”
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.