Dixie Barrett has been appointed as vice-president of trading services for Platts. Barrett previously served as vice-president of electronic trading services at Altra Energy Technologies.

Theodore Bennett will take over as corporate vice president of Oklahoma's Kerr-McGee Corporation. Bennet formed a human resources consulting firm last year and has served in executive positions at Comerica and Coca-Cola.

American Electric Power appoints vice president and associate general counsel. Hartsoe has been an attorney with the Federal Energy Regulatory Commission for eight years as well as holding positions at United Gas Pipeline Company, Enron, and Electric Power Supply Association.

Daniel E. Merchant II will become vice president of business development for Primen, a Wisconsin energy firm. Merchant has served as vice president of sales for USPowerSolutions and in various positions at Enercom.