Warren HierlWarren Hierl taught AP(R) U.S. History at the Career Center in Winston-Salem, NC, for thirty-eight years. An original member of the College Board AP(R) Social Studies Vertical Teams Guide Committee, he has conducted AP(R) workshops, ummer Institutes, and pre-AP(R) workshops. He has been a reader, table, exam, and, for ten years, question leader on the DBQ. He is currently a College Board AP(R) U.S. History consultant and member of the College Board's Pre-AP(R) National Faculty. Read More Read Less