Sarasota YMCA's foster care head resigns.

Byline: PATRICK WHITTLE and TODD RUGER STAFF WRITERS

YMCA officials said Johnson's resignation was unrelated to the investigation, which was spurred by concerns about a series of missteps within the agency, including the case of a Pinellas County foster child who was missing for nine months.

Johnson said: "It didn't have anything to do with the review. The media has known me for a very long time and knows nothing's going to pressure me."

State Department of Children and Families officials and local child welfare advocates said they feared that Johnson's resignation would create a power gap at the top of the agency, especially since the YMCA does …