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Mark Costello (Oklahoma)

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Mark Costello
Mark Costello.jpg
Oklahoma Commissioner of Labor
In office
January 10, 2011 - Present
Term ends
Years in position 4
PredecessorLloyd Fields (D)
Base salary$105,053
Elections and appointments
Last electionNovember 4, 2014
First electedNovember 2, 2010
Campaign $$727,811
Term limits2 consecutive terms
Place of birthBartlesville, Oklahoma
Office website
Personal website
Campaign website
Mark Costello is the current Oklahoma Commissioner of Labor. A Republican, he was first elected to the office on November 2, 2010, and assumed office on January 10, 2011. Costello won re-election in the 2014 elections.


A businessman by profession, Costello founded AMCAT, a telephone software company, in 1984. Costello sold AMCAT in 2007 and since then has founded several technology companies.[1]


  • Attended, University of Kansas
  • Graduated, Bartlesville College

Political career

Oklahoma Commissioner of Labor (2011-present)

Costello has served as Oklahoma Commissioner of Labor since January 2011. He was up for election in November 2014.[1]



See also: Oklahoma down ballot state executive elections, 2014

Costello ran for re-election as Oklahoma Commissioner of Labor in 2014. Costello won the Republican nomination in the unopposed primary on June 24. The general election took place November 4, 2014.[2]


General election
Oklahoma Labor Commissioner, 2014
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngMark Costello Incumbent 62.8% 504,307
     Democratic Mike Workman 37.2% 299,284
Total Votes 803,591
Election Results via Oklahoma State Election Board.


Costello won election in the November 2010 election, defeating Democratic candidate Lloyd L. Fields.[3]

Oklahoma Commissioner of Labor, 2010
Party Candidate Vote % Votes
     Republican Green check mark transparent.pngMark Costello 64.2% 649,748
     Democratic Lloyd L. Fields Incumbent 35.8% 362,805
Total Votes 1,012,553
Election Results via Oklahoma State Election Board

Campaign donors

Comprehensive donor information for Costello is available dating back to 2010. Based on available campaign finance records, Costello raised a total of $727,811 during that time period. This information was last updated on May 13, 2013.[4]

Mark Costello (Oklahoma)'s Campaign Contribution History
Year Office Result Contributions
2012 OK Labor Commissioner Not up for election $26,269
2010 OK Labor Commissioner Won $701,542
Grand Total Raised $727,811


Ballotpedia collects information on campaign donors for each year in which a candidate or incumbent is running for election. The following table offers a breakdown of Mark Costello's donors each year.[5] Click [show] for more information.


Costello and his wife, Cathy, have five children. They live in Edmond, Oklahoma.[1]

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Political offices
Preceded by
Lloyd Fields (D)
Oklahoma Commissioner of Labor
Succeeded by