Marsha Collier (born in New York City) is an author, radio personality, and educator specializing in technology and encouraging use of the Internet for marketing and E-commerce.[3] In 2003, her book Starting an eBay Business For Dummies appeared on the BusinessWeek list of best-selling paperback business books.[4] In December 2011, her book Ultimate Online Customer Service Guide: How to Connect with Your Customers to Sell More ranked #4 among "What Corporate America Is Reading."[5] By 2013, her book eBay For Dummies was one of the best sellers on the topic.[6] As of 2016, with over 1 million copies of her books in print, she was the all-time best selling eBay author.[7]