Nathan Kieffer

Wellington Management Co. LLP (WMC) is a registered investment advisor and mutual fund manager headquartered in Boston, Massachusetts. The firm was founded in 1928 and is a subsidiary of Wellington Investment Advisors Holdings LLP, ultimately held by Wellington Management Group LLP. WMC offers investment management services for a fee to separate account clients and mutual funds sponsored by unaffiliated parties, as well as to investment vehicles that the firm sponsors.

Formerly known as Lincoln Capital Fixed Income Management Co. LLC, Lehman Brothers Asset Management LLC (LBAM) is a wholly owned subsidiary of Lehman Brothers Holdings, Inc. (NYSE:LEH)