Meet The Staff

Registered Dental Assistants

Tammi Satterfield

Tammi Satterfield

A Lubbock native, Tammi graduated from Monterey High School and attended Texas Tech University where she studied Pre-Dental.

Dental Background:
Tammi has worked in the dental field as an assistant for 18 years and 15 of those years have been with Dr. Sadler. As, Dr. Sadler's assistant, Tammi assists with all dental procedures, oversees operations of patient care, and serves as office manager.

Special Interests:
During her free time, Tammi loves to
spend time with her son, Kolby and her
precious fur baby, Ky. Spending time with
family and friends is also very important
to Tammi. Some of her interests are listening
to music, dancing, spending time at the pool
and traveling.

One of her favorite past times is spending time
with her boyfriend and riding on his Harley
Motorcycle.


Karla Mull

Karla Mull

Karla grew up in Lubbock and Idalou Texas, graduating from Idalou High School.

Dental Background:
She studied dental assisting at Texas State Institute in Sweetwater Texas, and has 24 years of experience as a dental assistant.

Special Interests:
Her interest includes photography and gardening. Karla and her husband have two grown children, a son and a daughter, and 5 grandchildren.

Mark McCool

Mark McCool

Mark was born and raised in Roswell, New Mexico where he graduated from Goddard High School.

Dental Background:
He is currently attending Texas Tech University and studying Pre-Dental. Mark plans to attend dental school after receiving his undergraduate degree from Texas Tech.
Special Interests:
In his spare time he enjoys attending Texas Tech sporting events, watching movies, and spending time with family.

Collin Sadler

Collin Sadler

Collin grew up in Houston Texas, graduating from Kingwood High School in 2014.

Dental Background:
He moved to Lubbock to attend Texas Tech University where he is currently studies Pre-Dental and Microbiology. Once he finishes his undergraduate at TTU he intends to go to Dental School and follow in his grandfather's footsteps.

Special Interests:
In his spare time, Collin enjoys going to movies, playing intermural sports, and
spending time with family and friends
both at home and Lubbock.