NEENAH, Wis. — J. J. Keller & Associates Inc.® recently made key succession changes on its executive leadership team. Marne L. Keller-Krikava, previously executive vice president, has succeeded James J. Keller as president and CEO. Keller-Krikava’s career has included key roles in marketing, product development, strategy/business planning and new markets. For more information, visit www.jjkeller.com or call (877) 564-2333.