David Spence has been a high school science teacher for 24 years. He first started teaching in the New Zealand public school system. While in New Zealand David was involved in the piloting and testing of the new Units standards curriculum for chemistry and general science. He joined Menlo School faculty in 1998 and has taught chemistry and biology in the science department. For the last 8 years as well as teaching David has also been working as a Instructional technology specialist at Menlo School. Currently he is working on developing a blended chemistry class and is also teaching Architecture for the Global Online Academy.