He is best known as the former owner of the NASCAR team Ranier Racing with MDM and for currently serving as the head of Chevrolet's driver development with the Drivers Edge Development program and Pinnacle Racing Group.
Ranier started spotting for various teams across NASCAR's top 3 divisions in 1995.
[1] In 2015 Ranier had started back up his fathers team, Ranier-Lundy Racing in partnership with Mike Hillman.
The next year in 2016 Ranier in partnership with MDM Motorsports would reopen their NASCAR Camping World Truck Series program which had closed in 1997.
Others in the Chevrolet camp in NASCAR have also used his services in recent years including JR Motorsports and GMS Racing through their Drivers Edge Development program which Ranier spearheaded from 2019 to 2022 and most recently Pinnacle Racing Group in 2023.