Lou Eccleston

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Lou Eccleston
Lou Eccleston.jpg
Location New York
LinkedIn Profile

Lou Eccleston is the former chief executive officer of TMX Group Limited. He started in that role on Nov. 3, 2014, succeeding Tom Kloet, and announced his retirement in January 2020,[1] but he stepped down from the position early, following sexual harassment allegations stemming from his time as a senior executive at Bloomberg in New York.[2] [3]

He was also a member of TMX's board of directors.[4]

Before joining TMX Group, he was president of S&P Capital IQ, a real-time data provider, and chairman of S&P Dow Jones Indices, the benchmark index licensing firm jointly owned by McGraw-Hill and CME Group.[5] He was named to the two positions within McGraw-Hill Financial when the company formed in 2012.[6] He left McGraw Hill Financial in July 2014.


Eccleston joined Standard & Poor's Corp. in 2008 as executive managing director of fixed income risk management. Before joining S&P, he was chairman and CEO of Pivot Inc., a technology company serving financial market professionals.[7]

Previously, Eccleston spent five years at Thomson Financial, where he served in a number of roles including president of global sales, marketing and services, and president of the banking and brokerage division. He also spent 14 years as a managing director for Bloomberg, L.P..


Eccleston earned a BA in Economics from Drew University in 1979 and an MBA in Finance in 1983 from La Salle University.


When Lou Eccleston became TMX Group CEO three and a half years ago, he needed to turn around declining organic revenue and profitability. Once that was achieved, eyes turned to growth. Eccleston and TMX were able to jumpstart that growth by acquiring energy platform Trayport last year. In this video from JLN’s annual series with industry leaders, Eccleston talks about the changing ideology at TMX Group and how the group is positioning itself for international clientele.


  1. Lou Eccleston to Retire From TMX Group. TMX Group.
  2. TMX Group names new chief executive officer. The Trade News.
  3. Company that owns TSX names John McKenzie as new permanent CEO. CBC.
  4. TMX Group Limited Appoints Lou Eccleston as Chief Executive Officer. TMX Group.
  5. CME-McGraw-Hill Launch S&P-Dow Jones. Zachs.
  6. Lou Eccleston. McGraw-Hill Financial.
  7. About Pivot. Pivot Inc..