Dr. Peter Guirguis
Name: Dr. Peter Guirguis
Hometown: Kansas City, MO
Role at Definitive Dental: Dentist
The first job I ever had: I worked with my Dad when I was 13, and also sold Cutco Knives when I was 16 everyday after school.
Why did you decide on the Dental Field? Everyday I get to work with different people, I love having the right tool for every job and working with my hands.
Hobbies and Interests: Snowboarding and Auto Racing
What is something people don’t know about you? I love to race cars on a track. Also, I have a blackbelt in Taekwondo!
What is your favorite food? Pizza
Becky Espinoza
Name: Becky Espinoza
Hometown: Garland, TX
Role at Definitive Dental: Oce Manager
The first job I ever had: Grandy’s Fried Chicken
Why did you decide on the Dental Field? I love seeing people smile and being able to build a person’s self-esteem by fixing their teeth.
Hobbies and Interests: I love playing soft-tip darts and I’m actually in a league! Also, I love the casinos.
What is something people don’t know about you? That I love dogs but I don’t have one, because my grandkids are terrified of them.
What is your favorite food? Anything seafood/shrimp or fish.
Jessica Campos
Name: Jessica Campos
Hometown: Grand Prairie, TX
Role at Definitive Dental: RDA
The first job I ever had: Taco Bell
Why did you decide on the Dental Field? I love making people smile.
Hobbies and Interests: Going to the park, hiking and sewing
What is something people don’t know about you? When I get in my comfort zone, I am really talkative.
What is your favorite food? Seafood
Lesli Reyes
Hometown: Arlington, TX
Role at Definitive Dental: Lead RDA
The first job I ever had: Cashier
Why did you decide on the Dental Field? I love meeting new people and helping them regain confidence in their smile.
Hobbies and Interests: Going to the gym, hiking and spending time with family.
What is something people don’t know about you? I like serial killer documentaries and shooting guns
What is your favorite food? Tacos
Daniella Castillo
Hometown: Grand Prairie
Role at Definitive Dental: Receptionist
The first job I ever had: Carters, Sales Associate
Why did you decide on the Dental Field? I decided to work in the Dental Field because I enjoy helping patients and want to gain more knowledge in the industry.
Hobbies and Interests: I love to spend any free time with my baby. I love make-up, getting ready, and trying new activities with my son.
What is something people don’t know about you? I am really into skincare.
What is your favorite food? Shrimp Alfredo
Uma Ogans
Name: Uma Ogans
Hometown: Tulsa, OK
Role at Definitive Dental: Reactivation Specialist/Social Media Manager
The first job I ever had: Studio Movie Grill
Why did you decide on the Dental Field? I really enjoy marketing and would love to get experience doing all kinds of it. University marketing was fun but with dental marketing I’m learning a lot of new things.
Hobbies and Interests: Going to the gym, cooking, learning to tailor clothes and movie reviewing.
What is something people don’t know about you? I love creating content and talking on camera.
What is your favorite food? Sushi
Mandy Williamson
Hometown: Dallas, Texas
Role at Definitive Dental: Financial Coordinator, Receptionist
The first job I ever had: Working in a Bowling Alley.
Why did you decide on the Dental Field? I wanted to be the reason someone was able to smile again.
Hobbies and Interests: Being a mom, Frenchie breeder, love to create t-shirts/tumblers
What is something people don’t know about you? I am in cosmetology school
What is your favorite food? Wingstop (yum)
Volunteer Work
In addition to believing in the importance of continuing education, Dr. Guirguis also believes in the value of volunteer work!
He has experience in assisting a variety of charities and causes including participating in the Big Brothers Big Sisters Program since 2007. He also began participating in the Adopt-A-Street Program in 2019 where he assisted in cleaning up Grand Prairie!
