17. National Stock Exchange, Vestar Capital Partners

VESTAR CAPITAL PARTNERS
Vestar Capital Partners appointed Peter Baumgartner as managing director of Vestar Resources, the firm's team of seasoned professionals who serve as advisors for the private equity firm's portfolio company management teams.
Most recently, Baumgartner was a partner and managing director at Mercer/Oliver Wyman.
NATIONAL STOCK EXCHANGE
National Stock Exchange appointed Sarah Heffron, executive director at J.P. Morgan, as a director on the National Stock Exchange Inc board and on its parent company, NSX Holdings Inc.
FEDERAL AGRICULTURAL MORTGAGE CORP (AGM.N)
Farmer Mac appointed Michael Gerber as acting president and chief executive officer, succeeding Henry Edelman, effective immediately. Gerber will continue to serve as chief executive of Farm Credit of Western New York, an association in the Farm Credit System.
EVERCORE PARTNERS INC (EVR.N)
The U.S. merger advisory firm hired Ray Newton III as senior managing director in its private equity group, Evercore Capital Partners. Newton was previously with Perseus LLC. His appointment is effective Oct. 1 and he will be based in New York.
BANK OF NEW YORK MELLON CORP (BK.N)
The financial services company hired Simon Putt, previously with Fidelity International, as director, head of UK Institutional Client Relationship Management. Putt will be based in London.
CAPITAL & REGIONAL PLC (CAL.L)
The British property fund manager promoted Charles Staveley to group finance director effective Oct. 1. He was deputy finance director with the company earlier.