Insurance broker Lockton Companies has expanded its construction and design team with the addition of Karen Erger and Tom Miller.

Erger will join Lockton’s design and construction unit as vice president, director of practice management.

In this role, Erger will provide professional liability practice management, loss prevention, contract and complex claims management consulting services to Lockton’s architectural, engineering and construction clients.

Erger’s background includes construction litigation at a leading construction law firm, professional liability claims defense and claims consulting for major professional liability underwriters.

Miller will join Lockton as a senior vice president within the design and construction unit. His role will be dedicated to serving the needs of engineering, architecture and construction firms performing services around the globe.

Miller has over 15 years of experience in professional liability for design professionals and contractors in multiple roles.