What job/title do Mark Hunter and Jeffrey Walker have in common?
Jeffrey Walker Jeffrey Walker (born 25 March 1969) is a bass guitarist, vocalist from Windle, St Helens, UK. He is best known for his work with death metal band Carcass for which he is also the main lyricist. Before Carcass, he played in the hardcore punk band Electro Hippies. After the demise of Carcass, he went on to form hard rock band Blackstar with two former Carcass bandmates. In some territories the band was called Blackstar Rising.
Ernest Mahone Ernest "Mark" Mahone (born September 19, 1961) is a pediatric neuropsychologist and director of the Department of Neuropsychology at Kennedy Krieger Institute. He is also a professor of psychiatry and behavioral sciences at The Johns Hopkins School of Medicine, and is on the core faculty in psychology for the Maternal and Child Health Bureau (MCHB), Leadership Education in Neurodevelopmental and Related Disabilities (LEND) program, and the Intellectual and Developmental Disabilities Research Center (IDDRC).