Duke Energy has appointed a new president of its Ohio operations as part of a management shake-up following its merger with Progress Energy.

Duke provides power to much of southwest Ohio, including Warren and Butler counties. All changes are effective immediately, except where noted.

Jim Henning will be state president of Duke Energy Ohio and Duke Energy Kentucky. Henning previously was vice president of government and regulatory affairs for Duke Energy Ohio and Duke Energy Kentucky.

Julie Janson will be executive vice president and chief legal officer of Duke. Janson previously was state president of Duke Energy Ohio and Duke Energy Kentucky.

As previously announced, Lloyd Yates will be executive vice president of regulated utilities. Yates previously was executive vice president of customer operations.

Marc Manly will be executive vice president, and president of commercial businesses. Manly previously was executive vice president and chief legal officer. Chuck Whitlock , interim president of commercial businesses since July, will return to his previous role as president of Midwest commercial generation.

Keith Trent will be executive vice president and chief operating officer of regulated utilities, comprising: customer operations; regulated fossil generation; regulated hydroelectric generation; health and safety; environmental; fuels and system optimization; and central engineering and services. Trent previously was executive vice president of regulated utilities.

Dhiaa Jamil, executive vice president and chief nuclear officer, will oversee company-wide project management and construction, in addition to his current duties.

Jeff Lyash, executive vice president of energy supply, has decided to leave the company, effective Dec. 31.