Alvarez & Marsal — Greg Mateja, former head of risk integration at ING U.S., joined the firm’s executive benefits consulting division as a managing director, based in Greenwich, Conn. At ING, Mateja was responsible for asset-liability management.

Blackstone Group LP (NYSE: BX) — David Calhoun, chief executive of television ratings company Nielsen Holdings NV, has been hired head the New York firm’s private equity portfolio operations. His responsibilities include assisting the firm in conducting due diligence prior to new deals, helping to identify post-acquisition business strategies and aiding the CEOs of portfolio companies with operational challenges. Blackstone will position Calhoun on the firm’s management and executive committee. He will also act as executive chairman at Nielsen beginning in January. Nielsen’s operating income jumped from $800 million at the time of the leveraged buyout to $1.7 billion in 2012 under Calhoun’s leadership. Calhoun joined Nielsen in 2006 after it was acquired by a Blackstone-backed consortium that included Carlyle Group LP (Nasdaq: CG), KKR & Co LP (NYSE: KKR) and Thomas H. Lee Partners LP. Calhoun currently sits on the boards of Boeing Co. (NYSE: BA) and Caterpillar Inc. (NYSE: CAT). Previously, he served as vice chairman of General Electric Co. (NYSE: GE) and chief executive of GE Infrastructure, the Fairfield, Conn.-based company’s largest business unit.

Condé Nast International — Moritz von Laffert (pictured) has been named director of acquisitions and investments for Condé Nast International, with responsibility for overseeing investments in companies and startups, especially in the digital sector. Von Laffert will continue his roles as  president of Condé Nast Germany and vice president of Condé Nast International and he will continue to hold a seat on the executive committee. He joined Condé Nast Germany as president in 2009 and was named a vice president of Condé Nast International in 2011. From 1995 to 2009 he worked at the German publisher Axel Springer, where he worked his way up through a number of management positions, serving as managing director of the Women’s and Lifestyle Group.

Davis Polk & Wardwell LLP—  Neil MacBride, former U.S. attorney for the eastern district of Virginia, is joining the firm as a partner in Washington where he will work alongside several notable government officials, including former chairman of the Federal Trade Commission Jon Leibowitz. MacBride handled the prosecution against National Security Agency leaker Edward Snowden and CIA whistleblower John Kiriakou. He was U.S. attorney for the Eastern District Court of Virginia since 2009. Before that, he was associate deputy attorney general at the U.S. Department of Justice. He also served as chief counsel and staff director for then-Sen. Joseph Biden [D-Del.] from 2001 to 2005 on the Senate Judiciary Committee. From 1997 to 2001, MacBride was an assistant U.S. attorney in the District of Columbia.

Jones Day — Justin Herdman, a former assistant U.S. Attorney for the Northern District of Ohio, joined the New York law firm’s Cleveland branch as of counsel in the business and tort litigation practice. Herdman was also an assistant district attorney in New York, working for former district attorney for the borough of Manhattan, Robert Morgenthau.

International Business Group Ltd. — The Denver, Colo.-based advisory firm announced that John Ingell has joined as managing director. IBG looks to tap Ingell’s expertise in program management, business development and marketing.  Among the sectors he specializes in are engineering, transportation and manufacturing.

Warburg Pincus — Former Treasury Secretary Tim Geithner is taking a job at the New York private equity firm as president and managing director beginning in March 2014. Geithner, who has spent virtually his entire professional career working within the government, left Washington in January 2013 and was succeeded by Jack Lew as Treasury chief. Geithner, widely associated with the Troubled Asset Relief Program that was implemented by Congress through former Treasury Secretary Henry Paulson. Geithner managed it throughout President Obama's first term.

Wilmer Cutler Pickering Hale and Dorr LLP — Former White House senior adviser Quentin Palfrey joined the Boston law office as special counsel in the intellectual property litigation practice. Previously, Palfrey worked within the White House Office of Science and Technology Policy, serving as lead White House policy staffer on a patent reform effort that led to the signing of the America Invents Act. Palfrey, who began his career as an associate at Cravath Swaine & Moore LLP in New York, has held a number of public sector positions over the years. He was deputy general counsel for strategic initiatives at the U.S. Department of Commerce. From 2007 to 2009, he was chief of the healthcare division in the Office of the Massachusetts Attorney General and, prior to his position as chief, was an assistant attorney general in the insurance division.

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