Meet Our Team

At the core of our dental practice is a friendly team of professionals that are dedicated to your utmost comfort and optimal oral health.  We view each patient as a unique individual and tailor each treatment to your specific needs.  As part of our commitment to providing close, personalized attention to every patient, we want to encourage patient communication.  Please know that we are here to provide outstanding patient care and that we value the trust you have placed in us.


Cher Deleon

Registered Dental Hygienist

Cher has been a member of our team since 2018. She strives in providing meticulous preventative dental care with a gentle touch. Cher finds that being a member of this entire team is enjoyable because of everyone’s corresponding efforts in obtaining one common goal, which is optimal oral health. Cher started her dental career in 2006 as a dental assistant and administrative member. She has been practicing as a hygienist since 2013. Outside of work, she loves to travel, cook, try new restaurants, and being a mom.


Chandler Crumblish

Registered Dental Hygienist

Chandler joined our team in 2018. She provides excellent care by focusing on the specific oral-hygiene needs of each individual patient she treats. She enjoys the positive, patient-friendly atmosphere Dr. Tyler and his team create here at Santee Dental Team. Chandler attended Amarillo College and earned her Associate in Applied Science Degree in Dental Hygiene in 2012. She practiced for several years in Texas and Florida before making her home here in San Diego. Chandler loves spending her free time at the beach with her two dogs, watersports, snow skiing, visiting family, and sampling the unique, local restaurants offered by SoCal.


Tina Hancock

Registered Dental Assistant

Tina has been with Santee Dental Team from day 1.  Before Santee Dental Team was created, she worked for Dr. Sisson (which is now Santee Dental Team) and helped create a very easy and smooth transition for both the patients and new staff members at the office.  As a Registered Dental Assistant she really enjoys being able to help each patient feel informed and comfortable throughout their visit.  When not at work you can catch her at the gym working out and spending time with her family.


Michelle Tyler

Practice Administrator

Michelle joined Santee Dental Team in 2018 working as a front office team member and has grown into the role of Practice Administrator. Michelle helps oversee the office operations and is committed to making the experience in our office a positive one for all of our patients and staff! Her goal is to continually learn and incorporate the knowledge of dentistry, insurance, and customer service to equip our team to best serve our patients and their families.  In her spare time, Michelle loves spending time with her family and friends. She also loves cooking, watching the San Diego Gulls, and traveling.


Lara Bell

Office Manager

Lara has been with the team since early 2018. She is dedicated to providing a positive dental experience for each and every patient. She is proud to work with Dr. Tyler, Dr. Gibbons and the rest of the staff at Granite Hills Dental Team because of their commitment to excellent personalized care. Lara takes pride in making the insurance and finance aspects of dentistry as easy as possible for our patients. She is a problem solver and will go above and beyond to ensure that our patient’s questions get answered. Lara is a graduate of the Central European University with a Master’s Degree in History. In her spare time, Lara enjoys spending quality time with her cats and watching Harry Potter with her Husband.


Jess Lawrence

Front Office

Jess is a recent addition to the front office administration team, and offers a certain foreign flair to Granite Hills, having migrated across the seas from the land Down Under to San Diego in July, 2017. New to the world of dentistry, Jess has worked as an elementary school teacher in Australia for over a decade. She has welcomed the change in career with open arms and is eager to learn. Jess especially loves having a yarn (Australian for conversation) with our patients and can always be counted on to greet everyone with a ripper Aussie smile.

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Hours of Operation

Our Regular Schedule


10:00 am-6:00 PM


8:00 am-4:00 pm


7:00 am-3:00 pm


7:00 am-3:00 pm