David Sladkey has been teaching high school mathematics since 1987. He has been teaching at Naperville Central High School in Naperville IL since 1994. He was named Teacher of the Year for Naperville Community School District 203 in 2007. He was named the Naperville Community School District Office Max Innovative Teacher of the Month in March of 2009. He is a 2017 State finalist for the PAEMST for Illinois. David was first introduced to Brain Breaks by Jean Blaydes at a workshop held at Naperville Central in 2007. David currently teaches Blended Algebra and Precalculus.