Lockton Promoted Two Executives in U.S. Casualty

The brokerage firm announced new leadership roles for Vince Gaffigan and Jessica Cullen within its casualty practice.

Updated on Oct. 8, 2026 in People

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Lockton has promoted Vince Gaffigan to lead its U.S. casualty practice and appointed Jessica Cullen as executive vice president of casualty excess. AI Illustration. Upload story photo >

Lockton has promoted Vince Gaffigan to lead its U.S. casualty practice. The firm also elevated Jessica Cullen to the role of executive vice president of U.S. casualty excess and product solutions.

Why it matters

These appointments reorganize the leadership structure of the company’s domestic casualty insurance division. The moves solidify internal management paths for key units based in St. Louis and New York.

Vince Gaffigan brings more than 26 years of tenure to his new leadership position. He previously served as the executive vice president for U.S. markets strategy and engagement.

The players

Vince Gaffigan

He is the newly appointed leader of the U.S. casualty practice at Lockton who has been with the firm for over 26 years.

Jessica Cullen

She serves as the executive vice president of U.S. casualty excess and product solutions and reports to Vince Gaffigan.

Lockton

It is an insurance brokerage firm that provides risk management and employee benefits services to clients across the United States.

The details

Vince Gaffigan, who began his career at the firm in September 2000, will now oversee the U.S. casualty practice from his base in St. Louis. Jessica Cullen, based in New York, will report to Gaffigan in her new role managing casualty excess and product solutions.

Timeline

  1. Vince Gaffigan began his career with the company in September 2000.

  2. Jessica Cullen transitioned into her new executive position on October 1, 2026.

  3. Lockton publicly announced the executive promotions on October 8, 2026.

Market Landscape

This leadership update aligns with the industry-wide consolidation of specialized risk management services. The firm is positioning its internal talent to better manage increasingly complex casualty risks against regional competitors.

These executive changes are unlikely to immediately impact client retail pricing or existing insurance service agreements. Customers should expect continued oversight under the new management structure based in St. Louis and New York.

The takeaway

Internal executive promotions often signal a focus on continuity and deep industry experience within specialized insurance sectors. Clients typically benefit from the stability that accompanies long-tenured leaders stepping into broader oversight roles.

Further reading

For more on industry leadership changes, visit our People section.