Website: https://servicehostnet.com/domain/markdavidsellecchia.com Address: 845 Spring St. NW Unit 412, Atlanta, GA 30308 Ph NO: 404-472-5226 Mark David Sellecchia is a student of the tech and medical sectors whose educational background includes a Bachelor of Business Administration degree in marketing from Georgia State University. Mark David Sellecchia writes for a number of online journals covering technology, start-up investing, and the stock market.