On July 29, 2019, agricultural company Brandt appointed Earnhardt Miller into the Board of Directors. Brandt is currently one of JR Motorsports' partners, sponsoring the No. 7 team.
On April 22, 2019, Brenda Jackson, Earnhardt's biological mother, died at the age of 65 after years of battling cancer. She had served as an accounting specialist for JR Motorsports since 2004.