CDAA Leadership

2022-2023 CDAA Board of Directors

The Board of Directors is composed of the Executive Committee, Committee Chairs and one Director from each Local. It is the governing body of the Association. Local Directors are elected by their local organization to serve a term of two years, serving as liaison between the state and local organizations.

2022-2023 CDAA Executive Committee

The Executive Committee conducts and supervises the business of the Association between meetings of the Board of Directors. All actions are reported to the Board of Directors for approval.

Zeña Delling, CDA, RDA, BA



Zeña attended San Diego Mesa College Dental Assisting Program in 1984. She has been in the field for 35 years and currently practices part-time as an RDA. She has her own business called J and Z Programs for Dentistry.

Christy Burton, CDA, RDA, BA

1st Vice-President



2nd Vice-President


Wendy has been serving as Director for the Santa Clara County DAS for the past 2 years. She has been in dental assisting since and is currently an instructor in the RDA Program at San Jose City College.

Jennifer Bierschbach



Jennifer graduated from Citrus College in 2015, earning her RDA in 2017.  She is employed full-time in a general practice in Upland where she lives with her family.

Kelly Thomas, CDA, RDA, CDPMA, MADAA

Immediate Past President


Kelly has 34 years’ experience in the dental field as a dental assistant, office manager and dental consultant. She is currently employed with Sutton Dental Group, Inc in Rohnert Park, CA.

2022-2023 Directors