Meet our Team

Foundation Team

Terrisa Singleton
Foundation Director
OKC Metro:  405-607-4772
Toll Free:  800-522-0188, Ext. 772
Fax:  405-607-4768


Terrisa Singleton has managed the Foundation since joining Delta Dental of Oklahoma in 2009. As Foundation Director, she personally administers the Foundation's grant program, working extensively with oral health safety net clinics and programs throughout the state. She also oversees the Foundation’s other programs and initiatives. She is past-chair of the Oklahoma Oral Health Coalition, advisory board member and past-chair of the Oklahoma Charitable Clinic Association, a steering committee member for the Oklahoma Mission of Mercy, and served on the Commission to Transform the Health Care Safety Net in Oklahoma County.

Terrisa has a Bachelor of Science in Business Administration and more than 25 years of communications and marketing experience, including on the staffs of Jordan Associates Advertising and the Oklahoma Restaurant Association. She is currently working on a Master's degree in Human and Health Services Administration from the University of Oklahoma, where she is a Graduate Student Research Fellow in the Center for Social Justice.

Teri Bachhofer
Education Specialist
OKC Metro: 405-607-2138
Toll Free: 800-522-0188, Ext. 138
Fax: 405-607-4768


Teri Bachhofer holds a Bachelor of Science in Education from the University of Central Oklahoma and is certified in Early Childhood and Elementary Education.  Before joining the Foundation in 2016, she spent eleven years teaching first, third, and fourth grades. Teri used this skill base to help develop the Foundation's own oral health education program, MouthScience. As Education Specialist, Teri takes MouthScience into third through sixth grade classrooms throughout the state. Teri believes providing lessons that actively engage and encourage children to build their own knowledge about healthy teeth will leave a more lasting impression on them.

Teri also coordinates our higher education programs including our scholarship fund at the OU College of Dentistry, our pre-dental scholarship endowments at numerous state universities, and our DDOK Scholars alumni group.

Emma Brito
Clinic Coordinator
OKC Metro: 405-607-4741
Toll Free: 800-522-0188, Ext. 741
Fax: 405-607-4768


Emma Brito is a dental assistant with extensive CDC/OSHA infection control training. As the Foundation’s Clinic Coordinator, Emma administers our Cavity Prevention Clinic school-based sealant program and Oral Wellness Screening program, conducts infection control training, and recruits dental hygienists to serve our programs.

Before joining DDOKF in 2015, she was the Program Coordinator and lead dental assistant for the Oklahoma Dental Foundation where she worked with the MobileSmiles Oklahoma mobile dental care program. Emma has a passion for dentistry, for public health, and for patients, and often volunteers her time at free clinics and other charities.

Emma has a Bachelor of Science in Sociology from the University of Central Oklahoma and attends the OSAP (Organization for Safety, Asepsis and Prevention) infection control training conference annually. Her bilingual fluency in English and Spanish is a great asset to the Foundation and the people we serve.

Angie Pulliam
Foundation Specialist
OKC Metro: 405-607-4771
Toll Free: 800-522-0188, Ext. 771
Fax: 405-607-4768

As Foundation Specialist, Angie Pulliam coordinates and schedules our Captain Supertooth program and assists with other programs, including our Cavity Prevention Clinic school-based sealant program, our MouthScience program, and our Community Outreach program. She also assists with daily operations and our grant program.

Angie is a dental assistant and worked in a private practice dental office for more than 15 years before joining the Foundation in 2018.

Erin Sexson, DDS
Authorizing Dentist for School-based Sealant Program



Dr. Erin Sexson is the Authorizing Dentist for our school-based sealant program known as Cavity Prevention Clinics. Dr. Sexson has been with our program from the beginning, helping to develop and hone our processes and procedures. Dr. Sexson provides annual training to our contract Registered Dental Hygienists and conducts follow-up retention checks.

Dr. Sexson is a 2007 graduate of the OU College of Dentistry and currently practices at Aspen Dental in north Oklahoma City.

Professional Affliations:
President, Oklahoma Academy of General Dentistry
Member, Academy of General Dentistry
Member, American Dental Association
Member, Oklahoma Dental Association
Member, Oklahoma Association of Women Dentists