Nicholas Magalousis has taught at UCI, Chapman University, Santa Ana College, CSULB and Irvine Valley College. He has studied at UCLA, UCR, UCI, CSUF, and Hebrew Union College and in England at West Dean College. Magalousis has been involved in archaeological field, laboratory and museum work in Mexico, Greece, Israel, Syria and the U.S.A. He has participated in pre-historic and historic cultural resource management at sites such as Crescent Bay Park, Mission San Juan Capistrano, Mission San Luis Rey and The Irvine Ranch Historic Park. He has helped to pioneer archaeochemistry utilizing atomic absorption spectroscopy on ancient ceramics.
Magalousis was the founding president of the California Mission Studies Association, former member of an advisory committee to the Getty Conservation Institute and has been a member of the Board of Governors for the Archaeological Institute of America-OC chapter. He has been published nationally and internationally (to name a few) by the British Museum, Bonn Museum, American Chemical Society, Syro-Mesopotamian Journal, Orange County Natural History Museum, Archaeological Institute of America and Chapman University Conference of Orange County History. Magalousis has served in the U.S. Air Force and as the History and Museum officer at Marine Corps Base Camp Pendleton.