who is the current chairman of the ntsb
Christopher A. Hart Christopher A. Hart is an American lawyer, government official, and pilot. He served as the 13th chairman of the National Transportation Safety Board. He served as Acting NTSB Chairman beginning April 26, 2014,[1] and in June 2014 was nominated by President Barack Obama to serve as Chairman of the NTSB.[2] He was confirmed to serve as Chairman on February 5, 2015.[3] Robert Sumwalt succeeded him as chairman in August 2017.