About
John David Horne is a founding partner at Fuller, Dusinberre, Horne, PLLC, where he focuses his practice on estate planning, probate and trust administration, real estate, and business law. Dedicated to providing personalized and compassionate representation, David helps clients protect their legacies, navigate complex legal processes, and achieve peace of mind through thoughtful and strategic legal counsel.
David earned his J.D. from Florida Coastal School of Law, where he graduated first in his class, and his B.S., magna cum laude, in Exercise Science from Florida State University. A National Merit® Scholar and Presidential Scholar at Florida State, David’s academic excellence and commitment to service have shaped his professional values. His background in legislative affairs and public policy continues to inform his analytical and detail-oriented approach to client advocacy.
Before founding his firm, David gained valuable experience representing clients in estate planning, probate, real estate, and business matters at a local Clay County law firm. He now proudly serves clients across Florida alongside his partners Barry J. Fuller and Elizabeth S. Dusinberre. His goal is to provide each client with the same level of care and dedication that he would offer to his own family, ensuring that every legal solution is tailored to meet their specific goals.Rooted in his hometown of Clay County, John David Horne’s practice reflects his deep community ties and unwavering integrity. Whether assisting a grieving family through probate, guiding first-time homebuyers, or helping entrepreneurs structure their businesses, he remains committed to excellence, compassion, and helping clients build secure futures.
Law Office Affiliations
- Partner, Fuller, Dusinberre, Horne, PLLC
- Member, The Florida Bar
- Member, National Honor Society and the Cum Laude Society
Licensed State
- Florida
Education
- Florida Coastal School of Law
Juris Doctor (JD) - Florida State University
BS in Exercise Science, Magna Cum Laude
Awards & Badges

- Contracts And Agreements
- Corporate
- Franchise, Dealership & Partnership
- Government Contracts
- Limited Liability Company (LLC)
- Mergers And Acquisitions
- Elder Law
- Guardianship
- Power of Attorney
- Probate
- Trusts
- Wills And Living Wills
- Commercial Real Estate
- Construction And Development
- Landlord Or Tenant
- Property Disputes
- Residential Real Estate
- Title And Boundary Issues




