Meet Our Team

Our talented team of professionals at Rallis and Bonilla is committed to working with you and your family to create a wonderful treatment experience. Our goal is to make every office visit as rewarding and comfortable as possible by providing expert care that’s tailored to your unique needs. We’re proud to employ a staff full of caring, genuine, and hard-working individuals who put patients first. 

Our team aims to get to know our patients and their families on a personal level.

Dr. Rallis


Dr. Rallis was born and raised in Lincoln, Nebraska and is excited to be back in his hometown treating family and friends. He graduated from Lincoln East High School where he was active in both track and cross country. After graduation, he attended the University of Nebraska Lincoln majoring in biology.

Dr. Bonilla


Dr. Tami Bonilla grew up outside of Parkston, South Dakota, where she was very active in sports, her church, and her community. She first moved to Lincoln to attend college at the University of Nebraska, where she obtained her bachelor’s degree in nutritional science. It did not take long for her to fall in love with Lincoln!

Dr. Karloff

Dr. Karloff


Dr. Sami Karloff was born and raised in Lincoln, Nebraska. She attended Lincoln Southwest High school where she enjoyed cheer, volleyball and track. She received her undergraduate degree in Biological Systems Engineering with a Biomedical Emphasis from the University of Nebraska in 2016.


Practice Administrator


Finance Lead


Patient Coordinator Lead


Clinic Director

Michelle-Treatment Coordinator-Lead


Treatment Coordinator Lead


Treatment Coordinator



Treatment Coordinator

Patient Coordinators



Treatment Coordinators

What Sets Us Apart

Finding a provider to care for your smile can be overwhelming, but it doesn’t have to be.  When it comes to orthodontic care, Rallis and Bonilla goes above and beyond to make sure you feel at home from the moment you walk through our doors.

Individualized Care

Our team aims to get to know our patients on a personal level while delivering the highest quality of orthodontic care. The Rallis and Bonilla Orthodontics experience tailors to each individual’s needs, giving them a “Wow!” experience and making them feel valued and respected. We get to know you and your family personally, so you feel at home as soon as you enter our office.


Rallis and Bonilla Orthodontics maintains two locations for our patients’ convenience. You can visit us at our main office in Lincoln by North Star High School Monday through Friday or schedule an appointment on Tuesdays and Wednesdays at our East office. You can set an appointment at any location by calling our office at 402.742.3000.

Advanced Technology

Our dedication to mastering the latest advances in orthodontic technology and techniques allows us to provide more accurate results and faster treatment times. As Diamond Invisalign providers, we administer more Invisalign treatments than any other office in Nebraska. We’re also the only orthodontic clinic that utilizes SureSmile, a software that uses 3D technology and is proven to finish braces treatment faster and with more precision.

Ready to Start your Virtual Consult?

Are you interested in the orthodontic treatment options our practice offers? Simply let us know a few details below and we’ll follow-up within 24 hours with a complimentary consultation.


North Star Office
3256 Salt Creek Circle
Lincoln, NE 68504

84th Street Office
8328 Dawson Creek Bay
Lincoln, NE 68505

Yankee Hill Office
3811 Grainger Parkway
Lincoln, NE 68516


Monday: 8:00am - 5:00pm
Tuesday: 8:00am - 5:00pm
Wednesday: 8:00am - 5:00pm
Thursday: 8:00am - 4:30pm
Friday: 8:00am - 12:00pm