Experienced contracts executive Heather Gerczak has been elevated from her prior role as senior vice president of business operations at Integral Federal to the organization’s chief administrative officer. In her new position, Gerczak, who also serves as chair of the contracts group of Executive Mosaic’s elite 4x24 Leadership Series, will be senior-most authority on human resources, administration, facilities management, marketing and contracts and security, the Rockville, Maryland-based company said Tuesday.