"It did exceptionally well under his leadership. What this shows is that he was integral to the operation and success of the operation," Mr. Passantino said. "It's not in any way a failure of leadership or management on his part. It just demonstrates how vital he was to the organization."
Mr. Gingrich cut ties to the Center for Health Transformation and the Gingrich Group in May 2011 as he prepared his presidential run, said his attorney, Stefan Passantino.