Your Smile Transformation specialists

picture of the ocean

Multi-generational perspectives

Our incredible team of doctors spans three generations, bringing a broad range of perspectives and skillsets to SF Orthodontics. Dr. Rodney Lee, Dr. Elizabeth Ubaldo, and Dr. Samantha Lee are united in their vision for creating smiles that change lives, and each is an essential part of our dental family.

dr. rodney lee

“With constant technological changes and opportunities to collaborate with other healthcare professionals, I never stop learning. I love that I can customize care to address each patient’s unique orthodontic needs and create a smile that is both healthy and beautiful. As a native San Franciscan, I enjoy caring for our diverse population. It’s a great feeling to see my patients and their families around town, and be greeted by their confident, beautiful smiles.”

Dr. Lee

education and experience

  • Doctor of Dental Surgery – University of California San Francisco, School of Dentistry
  • Regents Scholar
  • Graduated Top of his class
  • Francis Sooy Chancellors Cup – most outstanding graduating student as voted by faculty and students
  • Orthodontic Residency – University of California San Francisco, School of Dentistry


  • Clinical Professor – University of California San Francisco, School of Dentistry
  • Published scientific articles in the American Journal of Orthodontics, Journal of the American Dental Association, Journal of Clinical Orthodontics
  • Study Club Memberships: Norcal Orthodontic Study Club, the Seattle Study Club, and the UCSF Interdisciplinary Study Club
  • Top 1% Diamond Plus Invisalign Provider
  • American Board of Orthodontics – Diplomate and Board Certified


Dr. Lee was born, raised, and educated in San Francisco. When he’s not working, Dr. Lee loves spending time with his wife, Denise, and daughter, Sammy. He enjoys traveling, tennis, running, and photography.

Dr. Elizabeth

 “I love creating smiles and creating lasting relationships with each person in my care. It’s rewarding to spend time with someone on the journey to a better smile, improved oral and overall health, and stronger confidence. Throughout treatment, we get to know each other as their self-esteem blossoms. I treasure the opportunity to get to know and care for people, and to be part of their life-changing transformation!” 

Dr. Ubaldo

education and experience

  • Doctor of Dental Surgery – University of California San Francisco, School of Dentistry
  • Master of Science and Specialized Training in Orthodontics – University of Washington, School of Dentistry
  • Bachelor's Degree – University of California, Berkeley – magna cum laude
  • OKU National Dental Honor Society
  • Top 1% Diamond Plus Invisalign Provider
  • Published article in the International Journal of Oral and Maxillofacial Surgery on the orthognathic surgical treatment for obstructive sleep apnea
  • Recipient of the Thomas M. Graber Award
  • Member of Spear Study Club

professional memberships

  • American Board of Orthodontics, Diplomate and Board-Certified
  • San Francisco Dental Society, Board Member
  • American Association of Orthodontists
  • American Dental Association
  • California Dental Association
  • University of California at San Francisco School of Dentistry Alumni
  • University of Washington School of Dentistry Alumni

continuing education

Seeking to provide her patients with the best treatment options and care possible, Dr. Ubaldo stays up to date on new techniques and advanced technologies. Each year she completes many hours of continuing orthodontic education, attending seminars, sessions, and taking a range of advanced post-graduate courses.

Dr. Ubaldo talking to a female patient


Dr. Ubaldo loves spending time with her husband, Dominic, and son, Donovan. She cherishes being a mom and watching her son grow up with his six cousins. She also enjoys traveling and exploring new places with her family, dancing, and singing karaoke.

Dr. Samantha Lee

“I’ve been part of this practice since childhood. Growing up and seeing how my dad was able to change lives through orthodontics, I chose to follow in his footsteps. Now I get to experience that same incredible feeling as I create and shape smiles that really do change people’s lives. It’s such a meaningful calling and a pleasure to get to know people and walk with them through their smile transformation journey.”

Dr. Sammy

education and experience

  • Bachelor’s Degree – University of California, Davis
  • Phi Beta Kappa and Phi Kappa Phi honors societies
  • Doctor of Dental Surgery – University of the Pacific
  • OKU and TKO honor societies
  • Orthodontics Certificate – University of California, San Francisco
  • Master of Science in Oral and Craniofacial Sciences – University of California, San Francisco
  • Top 1% Diamond Plus Invisalign Provider

served on resident committees

  •  American Association of Orthodontists (AAO)
  • Pacific Coast Society of Orthodontists (PCSO)


Born and raised in San Francisco, Dr. Sammy loves traveling and experiencing new cultures and foods. She also enjoys being active and outdoors – hiking, rock climbing, gardening and playing recreational soccer.

Connect with us

Enjoy a Complimentary Consultation. Call one of our convenient locations, or request an appointment online to set up your first visit. We’ll be in touch soon.

We look forward to meeting you.