Carolyn Dorin started bowling at age 6 in Linden, NJ and progressed through the bowling ranks where she eventually was a collegiate stand out at West Texas State University. From there her bowling career continued to grow as she turned professional and joined the PWBA Tour. Later down the line she married PBA Hall of Famer Del Ballard and the nickname “CDB” was born. Carolyn and Del have one daughter, Alyssa, who keeps them on their toes. More recently CDB was appointed the Director of Coaching Certification by the USBC and continues to serve on the USBC Board of Directors. She is also the High School Spokesperson for Dexter Shoes.
| Home Town | Keller, TX |
| Birth Date | 7/29/64 |
| Throws | Right |
| Style | Standard |
| 300 Games | 30 |
| Career Titles | 22 |