Jack Quarles is an international speaker on business profitability and negotiation, and the author of Amazon’s #1 bestsellers How Smart Companies Save Money and Same Side Selling (co-author). His most recent book, Expensive Sentences, also become an Amazon #1 bestseller in February 2017.
Jack has saved companies tens of millions of dollars over two decades in the field of expense management. He founded Buying Excellence and co-founded the telecom expense management firm Xigo (acquired by Dimension Data). He also serves as Chairman of Peacemaker Ministries and on the board of Razoo Foundation, and led the investment campaign for HeartACancerFighter, a top-50 Facebook page. Jack received degrees from Yale (where he sang bass with the Yale Whiffenpoofs) and Northwestern’s Kellogg School of Business. He recently relocated from Virginia to Toledo, Ohio, where he lives with his wife and two daughters.