Jonathan London is president and founder of the Improved Performance Group, a training and development consulting firm specializing in helping sales organizations improve results. London is an accomplished salesperson, having been a top earner at technology companies like Olivetti, ROLM, Wyse/Amdek, and others. IPG s clients include Tandberg, VeriSign, Polycom, Dell Computers, Lawson Software, Advertising.com, SPSS, Ricoh Corporation, Watson Wyatt Worldwide, Enunciate, AT&T and many others. He has been a guest speaker for such companies as MCI, iDirect, Tandberg, IBI, and Classmates.com.