Jack ModzelewskiJack Modzelewski is the founder and president of JackKnifePR, a business-communications consulting firm in Chicago. His extensive career in public relations, marketing, communications, and executive management has included roles with global agencies.Most recently, he was the president of FleishmanHillard, where he worked for more than twenty-six years in executive and international positions, including five years as president of Europe & Africa and nearly five as president of the Americas. Read More Read Less