Jack in the Box Inc. announced the promotions of three executives: Mark H. Blankenship, Ph.D., to executive vice president and chief people, culture and corporate strategy officer; Paul D. Melancon to senior vice president of finance, controller and treasurer; and Keith Guilbault to senior vice president and chief marketing officer.

Blankenship, previously senior vice president and chief administrative officer, is responsible for the company’s human resources, compensation and benefits, Jack’s University, training and development, consumer intelligence and analytics, internal brand communications, and corporate strategy process. He joined Jack in the Box Inc. in 1997 as division vice president of training and development and field human resources. In 2005, Blankenship was promoted to vice president of human resources, and in 2010, was promoted to senior vice president and chief administrative officer. Prior to joining Jack in the Box Inc., Blankenship was vice president of human resources for Mitchell International. He has a doctorate and a master’s degree in industrial organizational psychology from the California School of Professional Psychology in San Diego and a bachelor’s degree in psychology from California State University, Sacramento.

Prior to his promotion, Melancon had served as vice president and controller since joining Jack in the Box Inc. in 2005. He added the title of treasurer in 2008. A certified public accountant, Melancon has 34 years of experience in accounting and finance. Prior to joining the company, he was a senior executive at several major companies, including Guess? Inc., Hyper Entertainment Inc., and Sears, Roebuck and Co. He also spent 11 years with the accounting firm PricewaterhouseCoopers. Melancon received his MBA from the University of Chicago and a bachelor’s degree in accounting from the University of Texas at Austin.

In his new role as chief marketing officer for the Jack in the Box brand, Guilbault now has responsibility for all marketing functions, including marketing communications, advertising, media, and merchandising, as well as oversight of the brand’s menu strategy and several functions integral to product development and marketing. Prior to joining Jack in the Box Inc., Guilbault held management positions for several large companies, including Mobil Oil Corporation, Priceline Webhouse Club, and Freemarkets Inc. Guilbault received his MBA from Pepperdine University and a bachelor’s degree in marketing from the University of Rhode Island.