Jack Modzelewski is the author of Talk is Chief: Leadership, Communication, & Credibility in a High-Stakes World and the founder and president of JackKnifePR, a business communications consulting firm in Chicago. His extensive career in public relations, marketing, communications, and executive management included roles with global agencies. Most recently, he was president of FleishmanHillard, where he worked for more than 26 years in executive and international positions, including five years as president of Europe & Africa and nearly five as president of the Americas. He has more than thirty-five years of experience with corporate and brand communications programs for a wide spectrum of big clients in the telecommunications, automotive, food service, technology, energy, financial, healthcare, and professional sports industries. He has worked with companies such as McDonald’s, AT&T, General Motors, Chase Bank, Baxter, Tribune, Monsanto, and Procter & Gamble.