Jeffrey Tarrant, a leading hedge fund investor who backed managers including Bill Ackman and Marc Lasry before they were stars, has died.

Alexander Navab, former head of KKR's Americas private equity business and founder of private equity firm Navab Capital Partners, has died.

Martin Feldstein, a noted economist who served as the president of the National Bureau of Economic Research for nearly 30 years, has died.

John B. Neff, a former managing partner of Wellington Management Co. and portfolio manager for Vanguard Group, died.

Mark E. Rubinstein, professor emeritus of finance at the Haas School of Business at University of California, Berkeley, died.

Alice Rivlin, the founding director of the Congressional Budget Office and an outspoken vice chair of the Federal Reserve, has died at 88.

Patrick Flynn, a managing director and senior portfolio manager at Neuberger Berman, has died unexpectedly.

Bruno Schroder, a former Schroders director and great-great-grandson of the firm's co-founder, died after a short illness.

William T. "Bill" Bisson Jr., former publisher of Pensions & Investments who worked at Crain Communications for 33 years, died Jan. 17.