Religion Roman Catholic Succeeded by TBD Name Mark Costello | ||
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Born November 10, 1955Bartlesville, Oklahoma, U.S. ( 1955-11-10 ) Website Oklahoma Department of Labor official website Spouse Cathy Costello (m. 1982–2015) Children Caitlin Costello, Christian Costello, Kolbe Costello, Ian Costello, Anna Marie Costello Parents Vic Costello, Phyllis Costello Siblings Richard Costello, Alice Costello, Lydia Costello |
News9 report on oklahoma labor commissioner mark costello
Mark Costello (November 10, 1955 – August 23, 2015) was the Commissioner of Labor of Oklahoma from 2011 to 2015. A Republican, he was elected in 2010, defeating the Democratic incumbent, Lloyd Fields. Before his election he was a businessman who founded several technology companies.
Contents
- News9 report on oklahoma labor commissioner mark costello
- Election results
- Personal life
- Murder
- References

After taking office, he established a non-profit advocacy group to oppose the positions of public employee unions, and fought federal regulatory attacks on family farms.
Election results
Personal life
Costello was born in Bartlesville and graduated from College High School, then attended the University of Kansas while working summers on oil rigs in the North Sea. He married Cathy Cerkey in 1982; they had five children.
Costello founded American Computer & Telephone (AMCAT) in 1991, a telephone software company based in Oklahoma City. AMCAT was sold in 2007. He founded another telecommunications company, USA Digital Communications, in 1997. He identified as Catholic and pro-life, and was a member of the National Rifle Association.
Murder
Costello died from stab wounds suffered during a domestic incident on August 23, 2015, at a Braum's restaurant in Oklahoma City. His son, Christian Costello, was arrested following the incident.