Let us introduce you to Christopher Matthew Spencer, author of Business Payment Processing and eBay: Selling Your Stuff QuickStudy guides. He is an eBay expert, businessperson, author, educator, and mentor. 1. What is your profession and what drew you to this career? A: I am a businessperson, author, educator, and mentor to others in business. I lead The Spencer Company, which is a firm that I founded in 1988, with