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Donald S. Tunnell

Senior Managing Director at Wellington Management, Co-Director of Quantitative Investments, Director of Quantitative Research


Donald S. Tunnell, as director of Quantitative Research in Wellington Management's Quantitative Investment Group (QIG), Don helps guide the research agenda and strategic direction of the group. Don devotes much of his time to the research and development of quantitative investment insights that are delivered to the broader firm and that are used in QIG’s own portfolio management process.

Don’s portfolio management responsibilities are concentrated in the US book of business, where he sits on most portfolio management teams.

Prior to joining the firm in 2001, Don worked with Mellon Equity Associates as a quantitative researcher and portfolio manager (1998 – 2001). He was also a quantitative analyst at Amoco Corporation in Chicago (1994 – 1997).

Don received his MBA from the University of Chicago (1997) and his BA/BS in computer science from Indiana State University (1987).


Professional experience since 1994

Wellington Management

Mellon Equity Associates

Amoco Corporation


BA/BS, Indiana State University
MBA, University of Chicago