Matthew Johnson
(covered positions: Counsel/Chief Counsel, Sen. John Cornyn • Counsel/Chief Counsel, Sen. John Cornyn • Chief Counsel & Counsel to Senator John Cornyn • Chief Counsel & Counsel to Senator John Cornyn • Counsel/Chief Counsel, Sen. John Cornyn • Counsel/Chief Counsel, Sen. John Cornyn • Counsel/Chief Counsel, Sen. John Cornyn • Counsel/Chief Counsel, Sen. John Cornyn • Counsel/Chief Counsel, Sen. John Cornyn)