Euclid Environmental Underwriters, LLC. Acquires Enviant with Industry Leading Team of Environmental Insurance Underwriters

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Euclid Environmental Underwriters, LLC, today announced the acquisition of Enviant, a leading environmental insurance underwriting and claims handling operation. Marilyn Hattier, Ken Cornell, Chris Sisler and Sean Upton lead the operation specializing in underwriting and claims handling for combined environmental casualty, site pollution and contractor’s pollution and professional insurance.

Euclid Environmental Underwriters, LLC, part of the Euclid Program Managers (Euclid) family of program administrators, today announced its acquisition of Enviant, an environmental insurance and claims handling operation. This underwriting team expands Euclid’s capabilities into the environmental insurance market, offering combined environmental casualty, site pollution and contractor’s pollution and professional insurance. Marilyn Hattier, Ken Cornell, Chris Sisler and Sean Upton join Euclid Environmental Underwriters as equity partners, leading the Enviant operation out of New York, NY and Houston, TX.

John N. Colis, President and CEO of Euclid commented, "Environmental insurance is critical to all segments of industry and business. We are thrilled to expand our capabilities in this important specialty insurance segment. Enviant is already an established brand in the environmental insurance market with a team of highly experienced, best in class underwriting and claims handling professionals.”

Ken Cornell, Managing Principal, Euclid Environmental Underwriters, LLC noted, “We are extremely pleased to become part of an organization focused solely on acquiring and delivering specialty underwriting and claims handling expertise to brokers and insureds.” Marilyn Hattier, Managing Principal, Euclid Environmental Underwriters, LLC commented “Euclid’s platform, deep experience and unique approach to the specialty insurance market will allow the Enviant team to continue its success in providing environmental insurance solutions to a growing market.”

“This acquisition represents another exciting step in Euclid’s overall plan for program growth and expansion,” added Mr. Colis. “I am so pleased to add Marilyn, Ken, Chris, Sean and the rest of their team to the Euclid platform. Their vast experience, expertise and reputations as market leaders match perfectly with our organization
About Enviant

For information on Enviant visit and for information Euclid Programs operations, visit Underwriting inquiries for Enviant can be directed to Marilyn Hattier at mhattier(at)Enviant(dot)com or Ken Cornell at kcornell(at)Enviant(dot)com.


About Euclid Program Managers
Euclid Program Managers is the Program Administration arm of Euclid Insurance Services, Inc., and operates a family of specialty property/casualty underwriting companies: Euclid Public Sector Underwriters, Euclid Public Sector Alternative Risk, LLC, Euclid Architects and Engineers, Euclid Executive Liability Managers, LLC, Euclid Specialty Managers, LLC, Euclid Financial Institution Underwriters, LLC, Euclid Transactional, LLC and Euclid Environmental Underwriters, LLC. More information can be found at

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Ken Cornell