<Tr> <Th_colspan="2"> Personal details </Th> </Tr> <Tr> <Th> Alma mater </Th> <Td> Princeton University Harvard University </Td> </Tr> <P> 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, and in June 2014 was nominated by President Barack Obama to serve as Chairman of the NTSB . He was confirmed to serve as Chairman on February 5, 2015 . Robert Sumwalt succeeded him as chairman in August 2017 . </P> <P> Hart's great uncle, James Banning, was the first African - American to receive a pilot's license issued by the U.S. government in 1926 . </P>

Who is the current chairman of the ntsb