He is a health care attorney and currently is employed at Porter, Wright, Morris and Arthur Limited Liability Partnership.

In 2010, Carney ran for reelection against Republican Angel Rhodes, Libertarian Mark Noble and Corey Ansel of the Party for Socialism and Liberation.

Carney has become a vocal opponent in regards to Representative Matt Huffman's plan to phase out the state's insurance-verification program, sends about 5,400 letters each week to random Ohio drivers asking them to mail back proof of vehicle insurance.

[11] He also has pointed out potential difficulties that he claims the budget brings to public schools,[12] and is in favor of providing any relief possible to the cuts proposed.

[13] On September 10, 2013, Carney announced his candidacy for Auditor of the State of Ohio in the 2014 election, challenging Republican Dave Yost.