Alex Kajitani

Alex Kajitani is an American middle school math teacher who was the 2009 California State Teacher of the Year. He is the founder of [http://www.multiplicationnation.com/ Multiplication Nation], and is best known for creating widely used math rap songs as the "Rappin' Mathematician". He is the author of ''Owning It'' (2014) and has delivered a TEDx talk on inspiring students. He has been featured on Katie Couric's CBS News. Provided by Wikipedia