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Our Team is Your Team

CareVet supports Veterinarians, hospital teams, and pet owners. With dedicated teams behind every hospital, we're committed to better outcomes for pets and the communities that depend on us.

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Our Commitment to Clinical Outcomes

Better outcomes begin with exceptional care. Across the CareVet network, we combine clinical expertise, trusted relationships, and compassionate service to support healthier pets and stronger communities.

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Care you can count on.

We support our hospitals with proven clinical standards, ongoing education, and a commitment to continuous improvement—helping teams deliver exceptional care every day.

CareVet veterinary professional in scrubs

Care built on trust.

Through expertise, transparency, and compassion, our teams build lasting relationships with pet owners and the communities they serve.

CareVet veterinarian holding a dog

Care that you can feel.

Great care goes beyond medicine. We create meaningful experiences that help pets, pet owners, and veterinary professionals feel supported at every step.

CareVet team member holding a dog

A Team Built to Support Yours

CareVet was founded on a simple belief – that better care for people leads to better outcomes for pets.

Greg Siwak
Chief Executive Officer and Founder

Greg Siwak has an extensive background in business operation, mergers and integration, cost optimization, and healthcare operations. Mr. Siwak recently served as an Operating Partner at L Catterton, the largest consumer-focused private equity firm in the world. In this role, he worked with numerous healthcare and pet-related companies.

Prior to joining L Catterton, Mr. Siwak co-founded and served as the CEO of Verimetrix, a DME firm focused on endoscopy products and services. Prior to co-founding Verimetrix, he was a co-founder of TRG Group, a manufacturer and distributor of luggage and travel gear for Swiss Army and other leading brands. Previously, he was President and founding partner of Southwest Medical, a leading homecare medical equipment leasing company based in southern California.

Mr. Siwak was named Ernst & Young Entrepreneur of the Year in 2002. He has a B.S. in marketing from Arizona State University.

Dr. Kent Thornberry
Chief Veterinary Officer and Founder

Dr. Kenneth Thornberry received his DVM from the University of Missouri. He founded both general and specialty practices in St. Louis, MO. His general practice grew to a 17,000 square-foot, full service, eight doctor animal practice with boarding, daycare and grooming services. His specialty practice grew to a 24-hour emergency and critical care specialty hospital with 11 doctors and six specialties.

Dr. Thornberry continues to offer emergency surgery services and mentoring to ER doctors. In addition, he co-facilitates a second-year veterinary student course at the University of Missouri, College of Veterinary Medicine, and he is a frequent guest lecturer at veterinary colleges, the Veterinary Business Management Group (VBMA) and practitioner events across the country.

Dr. Thornberry is active in his community, and has been recognized for his academics, leadership, practice, and service.

Mark Barron
Chief Operating Officer
Sean Linehan
Chief Development Officer
Cameron Walbert
Chief Legal Counsel
Claire Pond
Chief People & Culture Officer
Ron Moser
Chief Financial Officer
Emma Sanders
Chief Marketing Officer
Kyle Schneider
Chief Performance Officer
CareVet founders Greg Siwak and Dr. Kent Thornberry

The Story Behind CareVet

In 2018, CareVet’s founders Dr. Kent Thornberry and Greg Siwak set out to establish a network of best-in-class veterinary hospitals. Their goal was to lead the industry to a better future by focusing on people over profits and putting Team Members first.

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National Strength, Local Care.

CareVet's veterinary network spans 220+ hospitals nationwide — driving innovation in veterinary medicine and delivering meaningful impact for pets, teams, and communities across the country.

220+ Veterinary
Hospitals
3,000+ Team
Members
600+ Licensed
Veterinarians
1.2M+ Pets served
annually
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