Meet Our Executive Team 

Stacy Brown

President & CEO

Stacy brings over 29 years of experience in the insurance and environmental consulting industry to this role. He joined Freberg in 1998 and has served as president for the past nine years. Stacy was hired to develop FEI’s site-specific pollution (EIL) program. Since program inception in 2001, the EIL program has developed into one of FEI’s most profitable programs. Read more about Stacy Brown.

Reneé Miller

Chief Underwriting Officer

Renee Miller joined Freberg Environmental (FEI) in 2015 as the Program Manager for FEI’s Environmental Engineers, Consultants and Contractors (ECC) lines of business. In 2016, Renee was promoted to the role of Chief Underwriting Officer. In this position, Renee leads all FEI programs, including environmental consultants, contractors, site pollution, commercial auto and professional liability lines. Read more about Renee Miller.

Dr. Alan Potter

Actuarial Consultant

Alan joined FEI in 2001 to provide the growing MGA with actuarial expertise and analytical capabilities that were needed for the company to better manage its business operations and respond to frequent requests from insurance carriers and reinsurers. Alan has been involved in product development, loss modeling, rate monitoring, financial forecasting and interfacing directly with the actuaries from our insurance partners. Read more about Alan Potter.

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Scott J. Kenny

Senior Vice President

Program Manager 


Scott Kenny joined Freberg Environmental (FEI) in 2016 as the Program Manager for FEI’s Architects & Engineers lines of business. Scott oversees the underwriting of non-environmental engineers, architects, oil and gas consultants, laboratories and analytical testing firms, and contractors professional on FEI’s Lloyds. Read more about Scott Kenny.

David Brereton

Vice President

Program Manager 


David Brereton joined Freberg Environmental (FEI) in 2004 as an Environmental Impairment Liability (EIL) underwriter. He was promoted to Program Manager of the EIL program in 2010. In his role, David oversees and manages the underwriting of fixed-site pollution and associated package business. Read more about David Brereton.

Brenda Ryberg

Vice President,

Program Manager 

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Brenda Ryberg joined Freberg Environmental (FEI) in 2015 as the Program Manager for FEI’s Hazardous Materials Trucking program. Brenda oversees the underwriting of commercial auto hazardous material haulers. Read more about Brenda Ryberg

Kevin J. Sullivan

Senior Vice President–Program Manager 


Kevin J. Sullivan is a Program Manager for Willis Programs.  Joining Willis in September 2016, Kevin is responsible for leading Willis’ LPL E&O Program (LawyerGuard).  Kevin has over 30 years of professional liability underwriting/management experience. Prior to joining Willis, Kevin was an AVP with Hartford Financial Products, managing various underwriting groups including Lawyers E&O, Miscellaneous E&O and Cyber. Read more about Kevin Sullivan

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Julia Burns

Head of Operations & Systems

Julia Burns joined Freberg Environmental (FEI) in 2018 as the Business Systems Manager for all internal underwriting systems. In 2021, Julia was promoted to the role of Head of Operations & Systems. In this position, Julia will continue to focus on strategic system development for FEI programs as well as oversee the operations team. A primary goal of this new expanded role will be to maximize the increasingly important overlap between system development and operational excellence. Read more about Julia Burns.