The Nenn Foundation is dedicated to transforming the availability of veterinary care for large animals while fostering veterinary leaders who will shape the future of animal welfare.
The NENN Foundation’s mission is grounded in four key pillars - H.E.A.L:
Establish a state of the art, flagship large animal veterinary hospital in Southern California, that will bring the highest standards of care, and provide educational opportunities to veterinary students, as well as ensure every large animal has the opportunity to heal and thrive.
The NENNtorship Program, fully funded by the NENN Foundation, provides a comprehensive approach to skill development combining hands-on experience with structured didactic learning to build foundational and advanced competencies, empowering future leaders in the veterinary industry.
Advocating for essential veterinary services to address the existing gap in large animal veterinary care. An estimated 40% of all large companion animals in the U.S. are unnecessarily euthanized due to a lack of access to veterinary care.
By leading with innovation, education, and community impact, the NENN Foundation is elevating expectations and driving forward the future of veterinary excellence.
The NENNtorship program, fully funded by the NENN Foundation, is a year long training and mentorship experience for aspiring veterinary professionals. Cadets gain hands‑on skills, educational support, and guidance proven to help graduates enter top animal science and veterinary programs. Each year, ten students are selected to join this unique pathway into veterinary medicine.
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Greg, the visionary behind the NENN Foundation, was inspired to establish the non-profit after nearly 30 years in emergency services, where he witnessed a powerful truth: in the U.S. human healthcare system, no one is denied life-saving treatment due to financial or socioeconomic status. In veterinary care, however, no such safety net exists. Countless animal owners are unable to access critical treatment - especially in emergencies or natural disasters. This disparity became the driving force behind Greg’s mission to create systemic change in the veterinary industry. In 2020, Greg and his wife, Dr. Katie Nenneker, launched NENN to champion veterinary excellence and expand access to large animal care. With strong leadership and a passion for innovation, Greg has focused on developing sustainable operational systems that elevate ambulatory practices. He also led the creation of the NENNtorship Cadet Program, a fully funded Foundation initiative designed to mentor and empower the next generation of veterinary professionals.
Katie, affectionately known as "Dr. Nenn," is dedicated to nurturing aspiring veterinary professionals, and promoting animal well-being. She earned her B.S. in Animal Science from California State University, Fresno, where she was honored with the prestigious NCEA award for excellence in equine medicine. She went on to receive her Doctor of Veterinary Medicine degree from Ontario Veterinary College in 2015. Dr. NENN is dedicated to educating future leaders who will help to shape the future of animal welfare.
Claudia supports the Foundation’s leadership team by managing business affairs with dedication and precision, helping to drive forward the mission to revolutionize the veterinary industry. Working closely with the Foundation team, her efforts ensure the vision translates into impactful action, advancing both the industry and its future leaders.
Paul James provides essential guidance and strategic support to the Foundation team. A steadfast believer in its mission, Paul's extensive leadership experience, entrepreneurial drive and vast range of relative expertise are both valuable and instrumental in shaping the Foundation’s identity. He dedicates his time to branding, marketing and creative efforts that ensure continued growth and success, while his commitment and global perspective help expand the Foundation’s reach and impact within the veterinary community and beyond.
Mike serves as Treasurer of the Foundation, providing essential financial oversight to ensure the organization’s long-term sustainability and growth. With a strong commitment to the Foundation’s mission, Mike plays a key role in managing resources responsibly, supporting program development, and helping guide fiscal planning.
Two NENNtorship cadets head to pre-vet undergrad programs this fall at UC Davis and Fresno State.
NENN procures critically needed medical supplies and nebulizers for large animals impacted by the Southern California fires.
NENN secures a network of over 100 animal transporters and 500 boarders to assist displaced animals during California firestorm.
Applications for our next cohort of the Nenntorship cadet educational program are Open
Donations to the NENN Foundation will directly support the development of a state-of-the-art hospital campus and the expansion of the NENNtorship program. These initiatives are designed to provide aspiring veterinary professionals with real-world, hands-on experience in large animal care - helping to build a future where veterinary education is more accessible, impactful, and capable of driving meaningful, nationwide change in animal welfare and veterinary medicine.
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