Mason Slaine

Senior Advisor

  • Country
    United States of America
  • Title
    Senior Advisor

Mason Slaine has been an Advisor to EQT since 2018.

Mason is a Board Member and investor in Reorg Inc, Executive Chairperson of MLM2 and a principal investor in Varo Bank. Most recently, he was a Board member and investor in RS Energy, which was acquired by Genstar in February 2020 and Efront Holdings, which was acquired by BlackRock in May 2019. He was also Chairperson and co-investor in FT Media Holdings, which was acquired by Gannett in 2018. Furthermore, he was a Board Member and investor in IPAN GMBH, which was acquired by Castik Capital in June 2018 and Bureau Van Dijk, which was acquired by Moody’s Corporation in August 2017. From 2010 to 2015, he was Executive Chairperson of Interactive Data Corporation (IDC). IDC was acquired in December 2015 by The Intercontinental Exchange (ICE – NYSE). Mason was previously a principal owner and Board Member of iParadigms LLC. He was also Chairperson, President and CEO as well as a principal investor in MLM Information Services, a leading SAS provider of corporate tax compliance software and services, which he co- founded in 2006 and sold in 2011 to Corporation Services Company (CSC). Prior to this role, he was Chairperson and CEO of Information Holdings, a business he co-founded in 1997 and which was listed on the New York Stock Exchange from 1998- 2004. IHI was acquired by Thomson in 2004. From 1994 to 1996, Mason was President and CEO of Thomson Financial (now Thomson Reuters) and held various executive positions at Thomson from 1991 to 1993. From 1987 to 1991, he was Chairperson and CEO of Securities Data Co until its acquisition by the Thomson Corporation. From 1982 to 1986, Mason was President and CEO, founder and a principal owner of Dealers Digest Inc., a financial information provider until its acquisition by Extel PLC.

Mason holds an A.B., magna cum laude, from Amherst College and an MBA from Harvard University.

EQT Board memberships

Chairperson of Cast & Crew and Magnit

Board member of Bureau van Dijk (divested) and Certara (divested)