Euclid’s Partnerships

Driving success side by side

We are proud of the various specialty property and casualty programs we have launched. We work together with the insurance professionals – our partners – who today run these separate corporations as distinguished businesses in our industry.

Photo of Chris Ventrone and David Lo Verso.
Photo of Chris Ventrone and David Lo Verso.

Chris Ventrone, Managing Principal

David Lo Verso, Principal

Specializing in the underwriting of error and omissions for architects and engineers. Euclid Design Underwriters also offers risk consulting, contract review, and risk management support for a broad range of professional organizations.

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"I am the decision-maker with a fleet of support at my fingertips. The robust infrastructure provided by Euclid allows me to focus on key fundamentals to my business and not get bogged down in the administrative tasks. "

- Chris Ventrone

Photo of David McDonald and Jim Thomas.
Photo of David McDonald and Jim Thomas.

David McDonald, Managing Principal

Jim Thomas, Managing Principal

Specializing in professional lines for financial institutions, including Directors & Officers Liability, Errors & Omissions Liability, Employment Practices Liability, and Fiduciary Liability in the small and mid-sized markets.

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“Partnering with Euclid allowed us to find and contract with a top carrier in a fraction of the time it would have otherwise taken. We couldn’t be happier with the platform they provided us, not to mention the emotional and financial support.”

- Dave McDonald

Headshot of David Ruple
Headshot of David Ruple

David Ruple, Managing Principal

A specialized managing general underwriter committed to delivering comprehensive lawyers professional liability coverage for U.S. law firms on a nationwide basis.  Focusing on firms with 10-150 attorneys with the ability to provide both primary and excess coverage.


"It's a privilege to join an organization that offers the best-in-class services as a framework to build our organization.  The Euclid Partner Model is a proven model for success and I'm excited to be a part of this great organization."

- David Ruple

Photo of Ryann Elliott.
Photo of Ryann Elliott.

Ryann Elliott, Managing Principal

Specializing solely in Life Science product-work hazard and professional liability, covering the spectrum of life sciences risks. Euclid Life Science Specialty provides a proactive and competitive approach to innovative coverage solutions.

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“Having Euclid’s brand and reputation gives my LLC immediate creditability. Add to this the unique offering we provide in the life science space and we have no limit to what we can accomplish.”

- Ryann Elliott

Photo of Jim Marquis and Chris Connacher.
Photo of Jim Marquis and Chris Connacher.

Jim Marquis, Managing Principal

Chris Connacher, Principal

Underwriting property, casualty, and professional liability coverages for the public sector, including cities, counties, townships, villages, boroughs, and special districts, with coverage provided as a package or on a monoline basis.

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“Euclid’s partnership has been highly impactful as we have built our company. Their support in our early days never wavered. The strategic guidance and back office services they continue to provide are of the highest quality. We feel like we are living the dream.”

- Jim Marquis

Ed LaFramboise, Managing Principal

Larissa Gallagher, Principal

Euclid Security offers specialized, comprehensive General Liability/Errors & Omissions and Excess Liability coverages for Security Industry risks including security guards, private investigators, alarm monitoring and installation, fire suppression installation, security consulting, and security training schools.

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“Partnering with Euclid’s financial, technology, and human resource professionals has helped us achieve a level of excellence that we would not have been able to achieve on our own.”

- Ed LaFramboise

Photo of Charlie Cygal.
Photo of Charlie Cygal.

Charlie Cygal, Managing Principal

Offering both contract and commercial bond solutions, primarily for construction, environmental, developers, financial services, retail, and transportation. With their program partners, Euclid Surety is licensed to write surety in all 50 states.

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 “Our team is delighted to join an organization of Euclid’s caliber and work with an innovative partner like AmTrust.”

- Charlie Cygal

Photo of Jay Rittberg, Phil Casper, and Albert Song.
Photo of Jay Rittberg, Phil Casper, and Albert Song.

Jay Rittberg, Managing Principal

Phil Casper, Principal

Albert Song, Principal

Underwriting risks relating to mergers & acquisitions, including representations & warranties insurance, tax liability, and contingent liability coverages. Euclid Transactional has amassed a combined experience of over 350 years supporting M&A deals.

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“The services Euclid provided were built out and ready to go immediately. From a speed to market perspective, this model is unbeatable.”

- Jay Rittberg

Transitioned Partners


Ken Cornell, Managing Principal

Marilyn Hattier, Managing Principal

Sean Upton, Principal

Chris Sisler, Principal

Environmental Insurance and Risk Management

Euclid Specialty Managers

Daniel Aronowitz, Principal

Fiduciary Liability MGA

Euclid Managers

Karen Knippen, Principal

Employee Benefits GA

Euclid Managers Kansas City, LLC

John Whall, Principal

Laura Johnson, Principal

TR Franklin, Principal

Tech & Media Liability MGA

Euclid Executive Liability Managers

Jim Seymour, Principal

Paul Bunone, Principal

Management Liability MGA