Stephanie Smith received her Ph.D. and B. Engineering from Griffith University. Smith, a member of IEEE, is an antenna engineer, Electromagnetics and Antenna Group, CSIRO Telecommunications and Industrial Physics in New South Wales, Australia.
Suzy Weibel has spent more than 20 years working with kids. An educator by profession, she works in youth ministry as an author, musician, and speaker, partnering with Dannah Gresh in Secret Keeper Girl events. Suzy and her husband, Jonathan, have two adult daughters and reside in Pennsylvania.