Charlotte Otto's power is probably greater than any other corporate communications executive for the simple fact that she oversees PR for 22 billion-dollar brands. She is a thought leader who helped give every PR pro the ammunition needed to walk into the C-suite and say, "PR is as effective as advertising, and I can prove it." She was the driving force behind P&G's landmark research effort that showed that not only could PR's effectiveness be measured, but also that within the marketing mix it was equally, if not more, effective than advertising. Otto is also very visible in Cincinnati, home to P&G's corporate headquarters. She serves on the Port of Greater Cincinnati Development Authority and the Cincinnati Center City Development Corp. Otto has also held past posts at more than a dozen other local organizations.