Mark Lewison received his MS degree in Interior Design from the University of Massachusetts. Since 1986, he has worked extensively as a professional interior designer, sharing his creativity and vision with both residential and commercial clients. In addition to running his interior design company, Mark is a full time faculty instructor in the Interior Design Department at The Art Institute of California - Hollywood. He is also a member of M.O.C. Interior Designer, LLC and co-creator of the Mark On Call(TM) for iPhone and Mark On Call HD(TM) for iPad iOS home design apps featured in The Guardian, Good Housekeeping and Men's Health.