Alliant Insurance Services, Inc.

2415 East Camelback Rd. Suite 420 Phoenix, AZ 85016
With a history dating back to 1925, Alliant Insurance Services is one of the nation’s leading distributors of diversified insurance products and services. Operating through a national network of offices, Alliant offers a comprehensive portfolio of services to clients, including: Risk Solutions Employee Benefits Industry Solutions Construction Energy and Marine Healthcare Law Firms Public Entity Real Estate Tribal Nations And many other industries Co-Brokered Solutions Automotive Specialty Energy Alliance Program Hospital All Risk Property Program Law Firms Parking/Valet Public Entity Property Insurance Program Restaurants/Lodging Tribal Nations Waste Haulers/Recycling Business Services Risk Control Consulting Human Resources Consulting Property Valuation The knowledge that Alliant has gained in its more than eight decades of working with many of the top insurance companies in the world allows us to provide our clients with the guidance and high-quality performance they deserve. Our solution-focused commitment to meeting the unique needs of our clients assures the delivery of the most innovative insurance products, services, and thinking in the industry. Alliant ranks among the 15 largest insurance brokerage firms in the United States.​

Company Staff

Greg Zimmer
Greg Zimmer serves as President of Alliant Insurance Services, Inc., and is a member of the company’s board of directors. In conjunction with other members of senior management, Zimmer is responsible for implementing the strategic direction of the firm. He also is responsible for corporate operations and all mergers and acquisitions activity. Prior to joining Alliant in 1998, Zimmer and his partners built a significant financial services firm that ultimately was sold to GMAC, where he served as Senior Vice President. His career also includes corporate finance and venture capital experience while serving as Vice President at Security Pacific, which ultimately merged with Bank of America. Zimmer holds a bachelor’s degree in economics/systems science from the University of California, Los Angeles (UCLA) and a master’s degree from the Anderson Graduate School of Management at UCLA.
Ilene Anders
Chief Financial Officer
Ilene Anders serves as Chief Financial Officer of Alliant, overseeing the company’s finance, accounting, and IT operations. Anders brings a multidisciplinary approach to the position well-suited for an industry where the worlds of finance and technology continue to merge. She previously served as Alliant’s Chief Information Officer, where she created the vision for client-facing technologies, directed business intelligence, and oversaw the integration of systems and infrastructure. Prior to that, Anders was Alliant’s Vice President and Director of Financial Planning and Analysis. She also has experience in investment banking and corporate development with Prudential Volpe Technology Group, GMAC-RFC, and has served as a strategic consultant to start-up organizations. Anders holds a master’s degree in business from San Diego State University and a bachelor’s degree in finance from Boston University.
Peter Carpenter
Chief Operating Officer
In his role as Chief Operating Officer of Alliant Insurance Services, Inc., Peter Carpenter is responsible for managing all day-to-day aspects of the company’s operations and directing its leveraged hire strategy, which is dedicated to attracting the industry’s best and highest performing sales professionals. Carpenter has more than 20 years of experience in the insurance industry and joined Alliant in 2008 when it acquired ClearPoint, a Seattle-based employee benefits consulting firm that he co-founded and where he served as CEO. Prior to founding ClearPoint, Carpenter served as vice president of sales and marketing for a large regional insurance brokerage firm and as a group representative for Sun Life Insurance Company. He earned a bachelor’s degree from Colby College in Waterville, ME, where he majored in government and Spanish.
Thomas W. Corbett
Chairman and Chief Executive Officer
Thomas Corbett serves as Chairman and Chief Executive Officer of Alliant Insurance Services, Inc. In addition, he sits on the company's board of directors. Corbett joined Alliant in 1977 as a producer and launched its Newport Beach-based Public Entity Group. Prior to joining Alliant, Corbett was with Allendale Insurance in Los Angeles and spent three years as a loss prevention engineer at Factory Mutual Engineering Association. Corbett is a graduate of California State University, Long Beach. He is currently involved in various community and charitable organizations.