Meet The Doctors

Dr. Sean Gassett

Born in Daytona Beach and raised in Gainesville, Florida, Dr. Sean Gassett had an early interest in dentistry. His mother was a well-respected dental hygienist in Gainesville, and he had an uncle that was a dentist in Tallahassee. This early interest allowed Dr. Gassett the opportunity to be accepted into an early admissions dental program upon graduation from high school.

Dr. Gassett earned his BS, MBA, and DMD from the University of Florida. He has worked and trained extensively to build a practice that exceeds your expectations of trusted, personalized dental care. Since then, he has kept up-to-date on the newest developments in his field through numerous continuing education courses including those in orthodontics, Invisalign, TMJ (jaw pain) therapy, cosmetics, and dental implants. He also remains active in the dental community as a member of the following associations:

  • American Dental Association
  • Florida Dental Association
  • Hillsborough County Dental Association
  • American Academy of Dental Sleep Medicine
  • International Congress of Oral Implantologists

Dr. Shadan Yassine

Dr. Shadan Yassine was born and raised in Boston, Massachusetts. She graduated with honors from the University of Massachusetts Boston. She was interested in dentistry as a child and pursued her goals to become a dentist, earning her DMD from Tufts University School of Dental Medicine. During this time, she mentored many of her younger colleagues from UMass Boston. Dr. Yassine has diverse experience working in Massachusetts and North Carolina. She recently moved to Florida and is happy to be a part of the community and looking forward to bringing out your beautiful smile.

Dr. Yassine believes in giving the best dental care by keeping up-to-date with current practices and current American national guidelines. She is Invisalign certified and has completed many hours of CE with implant placement and restorative treatment. She has a passion for cosmetic dentistry and giving patients the smile that they love. 

Outside of the office, Dr. Yassine enjoys being out in the sun and walking by the beach. In her spare time, she enjoys traveling and learning about different cultures and cooking different recipes. Her hobbies include biking, painting, and interior design.

  • American Dental Association
  • Florida Dental Association
  • West Coast District Dental Association

Dr. Hanan Beck

Dr. Hanan Beck is a native Floridian raised in the panhandle. She is a graduate of the University of South Florida, where she earned a dual bachelor’s degree in biomedical sciences and psychology. Dr. Beck graduated with her Doctorate in Dental Medicine from CASE Western Reserve University in Cleveland, Ohio. She engaged in numerous leadership and community outreach positions serving her cohorts and local community. After graduating, she completed an Advanced Education in General Dentistry residency at the University of Florida where she trained and gained experience in advanced dental procedures such as implant surgery, bone grafting, full mouth rehabilitation, TMJ disorders, and more.

Dr. Beck’s passion is to educate patients on preventative dental techniques and provide patients with the tools to maintain a beautiful and healthy smile. She believes in lifelong learning and takes the opportunity to do so by taking part in continuing her education through courses to further serve her patients and always provide the most recent up to date dental care. Her priority for every patient is to create a personal and comfortable dental experience.

In her spare time, Dr. Beck and her husband spend time relaxing by the beach, rollerblading, and biking with their two huskies!

Dr. Nesreen Nimer

Dr. Nesreen Nimer was born in Worcester, Massachusetts, and grew up in Tampa, Florida. After first attending the University of South Florida to obtain her undergraduate degree in biological medical sciences, with honors, she continued her education at the Case Western Reserve University School of Dental Medicine in Cleveland, Ohio. It was there that she completed her degree in the field of dentistry while earning her place on the Dean’s list. Dr. Nimer completed her general practice residency at the Advocate Illinois Masonic Medical Center in Chicago, Illinois, where she treated and worked with many patients with developmental disabilities. 

Dr. Nimer has continued to grow as a dental professional, spending years honing her skills, and developing knowledge in all aspects of dentistry. She has practiced in Tampa and Lakeland, Florida, and has received continuing education in the area of digital workflow as well as certification in Invisalign. Dr. Nimer has a passion for her work, not just because of her interest in dentistry but for what it does for her patients. One of her favorite parts of the job is getting to provide quality care, service, and oral health education to her patients. By doing this, she is able to impact their health, happiness, and overall well-being.

Outside of the office, Dr. Nimer enjoys spending time traveling, cooking, hiking, and spending time with her friends and family, which includes her beloved family cat!


Dr. Leydi Barros-Rockafellow

Dr. Barros graduated from New York University – College of Dentistry top of her class academically, and clinically. She was a Teaching Assistant for two years and taught the new classes how to perform restorative, fixed and removable prosthetic procedures. She received the school’s Dr. Bernard E. Rudner Memorial award for demonstrating superior performance in providing oral comprehensive care and administering a dental practice. She also received the Dean’s Scholarship for demonstrating academic excellence throughout Dental School. She provides preventative, cosmetic, restorative and surgical procedures including, but not limited to: fillings, crowns, implant crowns, Overdentures (dentures supported by implants), veneers, bridges, dentures, extractions, bone grafts, root canal therapy, oral cancer screening, teeth whitening and is a Certifies Invisalign Provider (Clear orthodontic appliance). She is a member of the American Dental Association and Hispanic Dental Association. She is fluent in English and Spanish.


Dr. Maninder
“Manny” Matharu

“People first, always”. As a U.S. Army Reserves Captain and lifelong believer in bettering the world, this is the philosophy through which Dr. Maninder “Manny” Matharu practices dentistry. 

Dr. Manny focused his early career at the University of Maryland, where he became a licensed EMT and obtained his degree in physiology and neurobiology. From there, he studied dentistry at the University of Nevada while teaching pre-dental students in an undergraduate course. Along the way, Dr. Manny had many renowned mentors, including the at-the-time U.S. Surgeon General Boris Lushniak, and the inventor of Botox, Dr. Harold Katz.

Using these experiences, Dr. Manny began applying for multiple patents, and was recently awarded his first patent, “A Method for Identifying and Treating Cancer”. He uses these milestones in his life as a testament to his attention to detail and ingenuity, which he applies to dentistry. 

As you meet Dr. Manny, you will also learn he has a sincere passion for learning more about you and the elements which determine your dental health. He aims to provide you with the same treatment which he would provide for his own family. Ask Dr. Manny about his passion for artistry, for which he credits his unique skill set in aesthetic dental cases as well as his online following of over sixty-thousand.

  • American Dental Association
  • Academy of General Dentistry
  • American Academy of Cosmetic Dentistry
  • Florida Academy of Cosmetic Dentistry (charter member)
  • International Congress of Oral Implantologists
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