Jonathan is an Associate in the Firm’s Corporate Law Practice Group, specializing in corporate governance, formations, financings, mergers and acquisitions, private equity transactions, and commercial licensing transactions. He provides counsel to dentists, veterinarians, and other providers nationwide on the acquisition and sale of professional practices.
Jonathan graduated magna cum laude with a B.A. from George Washington University and obtained his J.D. from Boston College Law School. Prior to joining the firm, he advised private equity, hedge funds, and other business entities on governance, financing, and transactional matters within the commercial law group of a prominent firm in Wilmington, DE.
“Understanding your Role as an M&A Associate,” Bloomberg Law, October 2025.
“Ten lessons from dental deals gone right (and wrong),” Dentaltown, October 2025.
Employees vs Independent Contractors: What Dentists Should Know, New York County Dental Society Quarterly Newsletter, September 2025
State of Delaware
State of New Jersey
- Graduated Magna Cum Laude from George Washington University, B. A. (2019)
- Boston College Law School, J.D. (2022)
New York Legal Update
January 29, 2026
We hope that 2026 is off to a fantastic start for you and your team! As we kick off the new year, we’re excited to share the impressive New York–related wins and milestones that Mandelbaum Barrett PC achieved from June through the end of 2025. From high-profile litigation and M&A transactions to regulatory developments and […]Delaware: A Corporate Favorite and Here’s Why
July 8, 2025
When it comes to incorporating a business, choosing where to incorporate can be just as important as how. In a recent video discussion, Alexa La Barbiera and Jonathan Rhone, Associates in the Corporate Practice Group at Mandelbaum Barrett PC, shared their insights on why Delaware continues to be the leading state for business formation in the United States.Fortune50 Member Conference
February 5, 2026
Mandelbaum Barrett PC is proud to attend the 2026 Fortune50 Member Conference in Charleston, South Carolina, an exclusive gathering of high-performing dental practice leaders focused on future-proofing their businesses. This year’s conference theme, Leadership that Future Proofs Your Business, brings together industry experts and Fortune members for two days of strategic insight, leadership development, and […]Jonathan Rhone Discusses How New M&A Attorneys Can Build Confidence and Earn Trust
October 29, 2025
In a recent Bloomberg Law article, Jonathan Rhone, Associate in the firm’s Corporate Law Practice Group, shares practical advice for new M&A attorneys. He breaks down how deals are structured, what junior lawyers are responsible for, and why strong communication and time management are key to success.Casey Gocel and Jonathan Rhone Share Ten Lessons from Dental Deals Gone Right and Wrong
October 9, 2025
Casey Gocel and Jonathan Rhone share ten practical lessons from real dental transactions that reveal how to avoid costly mistakes and set your practice up for success.William Barrett and Jonathan Rhone Break Down the Risks of Misclassifying Dentists
October 2, 2025
In the latest issue of Dentists’ Quarterly from the New York County Dental Society (NYCDS), William S. Barrett, CEO and Co-Chair our National Dental Law Group, and Jonathan S. Rhone, Associate, break down the Risks of Misclassifying Dentists