Question: What position was held by the American politician who had been a Democrat until he registered as a Republican in November 2016 ?

text: List of richest American politicians
Other U.S. politicians

This list of richest American politicians includes current and former office-holders and political appointees, and is not necessarily adjusted for inflation. Estimated wealth is at least $100 million in 2012 dollars, for all the people listed here. The amounts listed here do not necessarily pertain to the politicians' time in office (i.e. some of them may have gotten much richer later on, or lost their money before they ran for office).
Name Party Position Date ( s ) Net worth Notes
J.B. Pritzker Democratic Governor of Illinois 2019-present $ 3.5 billion Inheritance , family owns the Hyatt hotel chain
Penny Pritzker Democratic Secretary of Commerce 2013-2017 $ 2.5 billion Inheritance , family owns the Hyatt hotel chain
Bill Haslam Republican Mayor of Knoxville Governor of Tennessee 2003-2011 2011-2019 $ 2 billion Son of Jim Haslam , founder of Pilot Corporation , and former CEO of the e-commerce and catalog division of Saks Fifth Avenue
Mark Dayton Democratic Auditor of Minnesota U.S . Senator from Minnesota Governor of Minnesota 1991-1995 2001-2007 2011-2019 $ 1.6 billion Great grandson of George Dayton , the founder of Target
Jim Justice Republican ( Before 2015 , 2017-present ) Democratic ( 2015-2017 ) Governor of West Virginia 2017-present $ 1.59 billion Inheritance , coal and agriculture holdings , The Greenbrier
Betsy DeVos Republican Chair of the Michigan Republican Party Secretary of Education 1996-2000 2003-2005 2017-present $ 1.25 billion Daughter of Edgar Prince , founder of Prince Corporation ; daughter-in-law of Richard DeVos , co-founder of Amway ; sister of Erik Prince , founder of Blackwater
Linda McMahon Republican Candidate for U.S. Senate , Connecticut Administrator of the Small Business Administration 2010 ( nominee ) , 2012 ( nominee ) 2017-2019 $ 938 million-1.1 billion Married to Vince McMahon , who inherited the professional wrestling business founded by his grandfather , Jess McMahon , now known as WWE
Wilbur Ross Republican Secretary of Commerce 2017-present $ 600 million Founder of WL Ross & Co
Bruce Rauner Republican Governor of Illinois 2015-2019 $ 500 million+ Chairman of GTCR
Amo Houghton Republican U.S. Representative from New York 1987-2005 $ 475 million Former CEO and descendant of the founder of Corning Glass Works
Jared Polis Democratic U.S. Representative from Colorado Governor of Colorado 2009-2019 2019-present $ 388 million Founder of ProFlowers
Rex Tillerson Republican Secretary of State 2017-2018 $ 325 million Former CEO of ExxonMobil
Greg Gianforte Republican Candidate for Governor of Montana U.S. Representative from Montana 2016 ( nominee ) , 2020 2017-present $ 315 million Founder of RightNow Technologies
Jon Corzine Democratic U.S . Senator from New Jersey Governor of New Jersey 2001-2006 2006-2010 $ 300 million Former CEO of Goldman Sachs
Steven Mnuchin Republican Secretary of the Treasury 2017-present $ 300 million Former executive of Goldman Sachs
Michael McCaul Republican U.S. Representative from Texas 2005-present $ 294 million Son-in-law of Lowry Mays , founder of Clear Channel Communications
Rick Scott Republican Governor of Florida U.S . Senator from Florida 2011-2019 2019-present $ 255 million Founder of Columbia Hospital Corporation
Mark Warner Democratic Chair of the Virginia Democratic Party Candidate for U.S. Senate , Virginia Governor of Virginia U.S . Senator from Virginia 1993-1995 1996 ( nominee ) 2002-2006 2009-present $ 243 million Co-founder of Nextel Communications
Darrell Issa Republican Candidate for U.S. Senate , California U.S. Representative from California Nominee for Director of the U.S. Trade and Development Agency 1998 2001-2019 2019 $ 220 million Founder of Directed Electronics
Joseph P. Kennedy Sr Democratic Chair of the Securities and Exchange Commission Chair of the Maritime Commission U.S . Ambassador to the UK 1934-1935 1937-1938 1938-1940 $ 200-400 million Investor , banker , filmmaker