Meet Our Team

Maritza Pathak
Practice Manager
Maritza has been in the dental field for over 20 years. She is the practice manager for Dr. Susan
Roberts Pediatric Dentistry. Maritza loves problem solving and finding new innovative ways to
streamline processes within our practice. She is passionate about providing best patient care.
When Maritza is not busy working, she enjoys spending time at home with her family and
German Shepherd, Dogmeat. Some of her favorite things to do are tend to her flower garden
and bake treats for her husband of 23 years and 19 year old son. She also loves taking trips to
the mountains in Colorado, sipping on coffee and listening to music.

Samantha Valderaz
Dental Hygienist
I’m a dental hygienist going on 6 years in dentistry. I have a fiance and two wonderful daughters. I love to be around family and have get-togethers at my house. I love to travel and wake up to different sunrises. My hobbies are taking my kids out on the weekends to enjoy themselves. Howard College Dental Hygiene program: Honor society – graduated Graduated = Phi Theta Kappa honor society Member of American Dental Hygienist association

Roxanne Rodriguez
RDA
Roxanne has been in the dental field for 16 years. She is Dr. Roberts primary treatment
assistant. Roxanne truly enjoys what she does but she especially loves educating our patients
on best dental care. She and her husband of 17 years and have 2 wonderful sons and a daughter.
When Roxanne is not at work she spends most of her time with her family out on the baseball field
watching her sons play. She is a huge sports fan but especially loves the Mavs.

Nicole Phouleuanghong
RDA

Ashley Webster
Treatment Coordinator

Andrea Colella
Marketing Director
Andrea has been in the dental field for 25 years. She is Dr. Roberts’ marketing director. After moving to Texas from Santa Fe 20 years ago she began her career in pediatric dentistry and has loved every minute of it. When Andrea is not at work, she enjoys spending time with her son, daughter, family, friends and her golden doodle Gibbs. She’s always building something and crafting