Leadership Team

C.Jack Headshot

Charles Jack

Director of Operations & Sales Support

Charles leads the Operations team in pursuit of exceptional outcomes for our customers. Passionate about streamlining processes, enhancing efficiency, and analyzing data, he is dedicated to removing barriers for educators. He actively supports their endeavors to improve STAAR performance and reduce disparities in both curriculum and student accomplishments.

Before joining Sirius, Charles spent over twenty years leading operations, strategy, and professional learning projects at the College Board.