About Us

At Marcel Orthodontics we strive to provide the highest quality of orthodontic care and personal attention to our patients in and around the Tracy, Pleasanton and Livermore, California area. We know what a significant difference in health and self-esteem a beautiful smile can make.

As a family orthodontic practice we are dedicated to making sure that both you and your family are as comfortable as possible while in our office. We are able to personalize a plan that fits your needs and are dedicated to giving each of our patients the healthy, attractive and straight smile they deserve!

Meet Our Doctors

Originally from Kansas City, Missouri, Dr. Tom Marcel did most of his growing up in San Jose. He attended Santa Clara University, where he graduated with a Bachelor of Science degree in Combined Sciences (biology, chemistry and physics). He went on to the University of California, San Francisco, where he received his dental degree and orthodontic specialty training.

Dr. Marcel has published articles relating to temporomandibular joint (TMJ) function and mandibular movement in professional journals and lectures to orthodontic and dental organizations throughout the U.S. and abroad. He also maintains teaching affiliation with the University of California San Francisco, University of the Pacific and the University of North Carolina.

He is co-founder and co-coordinator of the Livermore Community Dental Care, a non-profit organizations providing dental care and education to Livermore school children.

Dr. Marcel enjoys living in the Livermore community and has been involved in various civic programs such as coaching, sponsoring youth teams, Boys and Girls Club, scouts, local theaters and 4H clubs. His hobbies include reading, movies and cooking. As a sports nut, Dr. Marcel spends his time away from the office playing softball, running, bicycling and playing golf. Also a hockey enthusiast, Dr. Marcel is a big Sharks fan!

With dreams of becoming an orthodontist since childhood, Dr. Faldu is committed to creating beautiful smiles and ensuring optimal oral health.

Dr. Faldu began her orthodontic journey by attending the New Jersey Institute of Technology, where she received her Bachelor of Science degree in Biomedical Engineering. She then went on to complete her Doctor of Dental Medicine program at the University of Pennsylvania, and earned an Orthodontic Certificate, and Masters of Oral and Craniofacial Sciences at the University of California, San Francisco.

Outside of the office, Dr. Faldu can be found taking in the beauty of California and enjoying the mild winters. She also loves being outdoors, experimenting in the kitchen, and spending time with her family.

Meet Our Staff

FInancial Coordinator and Registered Dental Assistant

Treatment Coordinator and Registered Dental Assistant

Registered Dental Assistant

Professional Relations Coordinator

Laboratory Technician

Scheduling Coordinator

Registered Dental Assistant

Office Manager

Finance Associate

Registered Dental Assistant

Registered Dental Assistant

Registered Dental Assistant

Clinic Coordinator and Registered Dental Assistant

Registered Dental Assistant

Scheduling Coordinator

Treatment Coordinator