Rex Sinquefield at the Chess Club and Scholastic Center of St. Louis on May 7, 2012 (Dilip Vishwanat/Getty Images). Missouri’s most prolific political donor dropped another $1 million into the ...

Missouri Gov. Mike Parson this week appointedRepublicanmega-donor Jeanne Sinquefield to the University of Missouri System Board of Curators, sparking some criticism from Missouri Democrats.

Missouri financier Rex Sinquefield speaks at a Heritage Foundation event in Washington, D.C., on May 29, 2014. In a comment that lit the Twittersphere and torqued up Missouri’s ongoing ideological tax ...

As if to illustrate the New York Times’ point that Rex Sinquefield is the largest political donor in Missouri, on the same day the article appeared, Sinquefield gave Rep. John Diehl the largest ...

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For well over a decade, ever since he returned to his hometown, Rex Sinquefield has had an outsize influence on the St. Louis region — whether he’s pushing a city-county merger or turning the Central ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. ST. LOUIS -- Retired financial guru Rex Sinquefield has zeroed in on a proposal to eliminate the city's earnings tax -- and he's ...