Connecting decision makers to a dynamic network of information, people and ideas, Bloomberg quickly and accurately delivers business and financial information, news and insight around the world. Peter Rose, a Blackstone Group LP partner and its global head of public affairs, will retire after nine years at the alternative-asset manager. Rose, 64, will leave New York-based Blackstone at the end of January and become a senior adviser to the firm, Chief Executive Officer Steve Schwarzman and President Tony James wrote Monday in a memo to employees. He’ll be replaced by Christine Anderson. “He has fostered an incredibly wide...