| Olsen David ADirector · 5 transactions | — | 658.9K†as of Jun 2009 | 15.9K | — | — |
| Beshar Peter JEVP and General Counsel · 93 transactions | — | 559.3K†as of Mar 2022 | 2.18M | — | 535.7K |
| Cabiallavetta MathisVice Chairman, Office of CEO · 8 transactions | — | 435.1K†as of Feb 2008 | 48.3K | — | — |
| Glaser Daniel SPresident and CEO, MMC, Director · 74 transactions | — | 166.1K†as of Mar 2022 | 3.41M | 33.3K | 2.56M |
| Zaffino PeterChairman, RIS and CEO, Marsh · 82 transactions | — | 152.7K†as of Mar 2017 | 1.22M | — | 930.1K |
| Doyle John QPresident and CEO · 40 transactions | — | 133.5K | 351.7K | — | 117.6K |
| Zaffino Salvatore DChairman and CEO,Guy Carpenter · 4 transactions | — | 130.8Kas of Jan 2006 | 15.2K | — | — |
| Nadler David AVice Chairman, Office of CEO · 45 transactions | — | 127.3K†as of May 2013 | 437.0K | 17.63 | 310.5K |
| Simmons AdeleDirector · 20 transactions | — | 81.2Kas of Dec 2012 | 13.7K | — | 48.8K |
| Morrison David JPres,CEO,Mercer Mgt.Consulting · 3 transactions | — | 78.9Kas of Jan 2006 | 11.7K | — | — |
| Burns M MicheleChairman & CEO, Mercer · 15 transactions | — | 77.0Kas of Feb 2011 | 128.1K | — | — |
| Wittman Vanessa AmesEVP & Chief Financial Officer · 19 transactions | — | 69.2Kas of Mar 2012 | 552.0K | — | 501.1K |
| RT Hon Lord Lang Of Monkton DLDirector · 33 transactions | — | 68.2K†as of Jun 2015 | 27.3K | — | — |
| Portalatin Julio APresident and CEO, Mercer · 23 transactions | — | 67.2Kas of Feb 2019 | 278.9K | — | 119.6K |
| Bischoff J. MichaelChief Financial Officer · 29 transactions | — | 65.5K†as of Oct 2015 | 98.1K | — | 39.9K |
| Wijnberg Sandra SSr. Vice President, CFO · 9 transactions | — | 61.0K†as of Apr 2006 | 43.5K | — | — |
| Haldeman Charles EPres. and CEO, Putnam Invest. · 8 transactions | — | 58.5Kas of Aug 2007 | 99.0K | — | — |
| Drzik JohnPresident & CEO, Oliver Wyman · 24 transactions | — | 57.7Kas of Nov 2013 | 65.6K | 28.31 | 14.3K |
| Oken Marc DDirector · 27 transactions | — | 56.1K†as of Dec 2021 | 47.2K | 16.2K | — |
| Mills Steven ADirector · 77 transactions | — | 53.3K† | 53.3K | — | — |
| McGivney Mark CChief Financial Officer · 56 transactions | — | 51.6K | 555.0K | — | 436.4K |
| Duperreault BrianPresident and CEO, MMC, Director · 47 transactions | — | 46.8K†as of Dec 2012 | 1.58M | 40.0K | 1.14M |
| Sinnott John TVice Chair, Office of CEO · 31 transactions | — | 44.3K†as of Mar 2006 | 102.9K | — | 60.0K |
| Fanjul OscarDirector · 97 transactions | — | 44.0Kas of May 2025 | 61.2K | — | 49.6K |
| Nolop Bruce PDirector · 16 transactions | — | 43.5Kas of Jun 2023 | 43.5K | — | — |
| Gilbert E ScottSVP, Chief Information Officer · 95 transactions | — | 38.6Kas of Nov 2020 | 845.3K | — | 726.4K |
| Hanway H EdwardDirector · 17 transactions | — | 36.9K | 36.9K | — | — |
| Hardis Stephen RReporting owner · 5 transactions | — | 36.0Kas of May 2011 | 14.0K | — | — |
| Studer Nicholas MarkPresident and CEO of OWG · 22 transactions | — | 32.5K | 95.1K | — | 57.9K |
| Klisura Dean MichaelPresident & CEO, Guy Carpenter · 22 transactions | — | 30.3K | 78.8K | — | 54.0K |
| Beber Michael ASVP.Chief Strategic Dev Offcr · 6 transactions | — | 27.5Kas of Jul 2007 | 31.5K | — | — |
| Rapport Robert JSVP and Controller · 80 transactions | — | 27.4Kas of Dec 2017 | 141.7K | 117.36 | 101.9K |
| Freakley Simon VCEO and President, Kroll · 4 transactions | — | 25.0Kas of Feb 2008 | 47.3K | — | — |
| Carter Zachary WDirector · 9 transactions | — | 24.5Kas of Aug 2013 | 35.8K | — | 6.0K |
| Yates Lloyd MDirector · 12 transactions | — | 24.0Kas of Nov 2020 | 23.7K | 7.0K | 6.7K |
| South MartinPresident & CEO, Marsh Risk · 23 transactions | — | 23.7K | 100.3K | — | 44.1K |
| Moczarski Alexander SChairman of MMC International · 39 transactions | — | 20.0Kas of Dec 2016 | 329.3K | 164.4 | 282.7K |
| Petrullo MichaelSr. VP, Chief Admin. Officer · 8 transactions | — | 19.3Kas of Feb 2008 | 32.5K | — | — |
| McDonald ScottPresident and CEO of OWG · 45 transactions | — | 18.8Kas of Jun 2021 | 284.3K | — | 227.0K |
| Yost R DavidDirector · 2 transactions | — | 18.8Kas of Jun 2020 | 3.8K | 15.0K | — |
| Fernandez CarmenSVP, Chief People Officer · 12 transactions | — | 17.1K† | 28.7K | — | — |
| Beswick PaulSVP, Chief Information Officer · 31 transactions | — | 17.1K | 40.1K | — | 16.0K |
| Ashford Orlando DSVP, Chief HR & Comm. Officer · 12 transactions | — | 14.0Kas of Feb 2012 | 64.2K | 418.9 | 39.6K |
| Baker Leslie M JrDirector · 5 transactions | — | 13.5Kas of Jun 2008 | 10.5K | 3.0K | — |
| Allen Ben FSVP Chief Innovtn/Info Officer · 22 transactions | — | 13.4Kas of Feb 2013 | 52.6K | — | — |
| La Roche ElaineDirector · 4 transactions | — | 11.9Kas of Jun 2019 | 11.9K | — | — |
| Bartley Matthew BEVP & Chief Financial Officer · 6 transactions | — | 11.4K†as of May 2008 | 5.2K | — | — |
| Brennan KatherineSVP and General Counsel · 8 transactions | — | 11.2K | 16.4K | — | — |
| Ferland MartinePresident and CEO, Mercer · 20 transactions | — | 10.0Kas of Mar 2024 | 81.3K | — | 33.8K |
| Hearn Peter CPresident & CEO, Guy Carpenter · 13 transactions | — | 9.9Kas of Mar 2021 | 47.0K | — | 14.8K |
| Jones John JudeChief Marketing Officer · 17 transactions | — | 9.8K† | 28.1K | — | 19.6K |
| Ledford LaurieSVP & Chief HR Officer · 45 transactions | — | 9.6K†as of Aug 2020 | 282.2K | — | 239.1K |
| Burke DominicVice Chairman · 4 transactions | — | 9.5Kas of May 2021 | 12.5K | — | — |
| Spiller DavidCEO, Guy Carpenter · 2 transactions | — | 5.1Kas of Feb 2008 | 4.2K | — | — |
| Tomlinson PatrickPresident and CEO, Mercer · 8 transactions | — | 4.9K | 7.5K | — | — |
| Marques Maria Silvia BastosDirector · 5 transactions | — | 4.6Kas of Jun 2016 | 4.8K | — | 0.71 |
| Hartmann JudithDirector · 5 transactions | — | 4.3K | 4.4K | — | — |
| Mills StacyVice President and Controller · 29 transactions | — | 4.2K | 27.6K | — | 14.7K |
| Erkan Hafize GayeDirector · 2 transactions | — | 2.3Kas of Jun 2023 | 2.3K | — | — |
| Anderson AnthonyDirector · 2 transactions | — | 2.0K | — | 1.0K | — |
| Lute Jane HDirector · 1 transaction | — | 1.7Kas of Jun 2022 | 1.7K | — | — |
| Broussard Bruce DDirector · 1 transaction | — | 1.4K | 1.3K | — | — |
| Young Ray GDirector · 1 transaction | — | 1.2Kas of Jun 2023 | 1.2K | — | — |
| Harrison PeterDirector · 2 transactions | — | 1.2K | 1.3K | — | — |
| Schapiro Morton ODirector · 6 transactions | — | 0as of Aug 2021 | 8.5K | — | 9.1K |