Marsha Collier (Los Angeles, CA) is a full-time eBay businessperson and Power Seller who is also the author of eBay For Dummies. Marsha also teaches eBay University courses and is a media favourite with appearances on NBC's Today Show and ABC's The View.

Bill Summers (Kitchener, ON) ventured into the world of eBay selling almost six years ago. With an initial thousand-dollar investment, he turned his venture into a full-time business within months. Currently, he is an eBay PowerSeller (sales over $1000/month) under two selling Ids and is Canada’s leading Education Specialist trained by eBay.