GM Defense LLC, a subsidiary of General Motors, today announced that Lieutenant General (Retired) John βJDβ Johnson has joined the companyβs growing leadership team as vice president of Business Development. Johnson will be responsible for identifying growth opportunities among military and government customers that align with GM Defenseβs core capabilities, including integrated vehicles, power and propulsion, and mobility and autonomy. He will also lead customer engagements and develop strategic plans to win competitive pursuits in the defense and government markets in the United States and abroad.