More Information For more information, please contact either: Jeff Davis @ davisjeffreyw@gmail.com / (949) 795-0511 -or- Ryan Miller @ rynomiller69@gmail.com / (949) 202-6466. Sponsors and Volunteers The Ladera Ranch Grand Prix would not be possible without our Sponsors and Volunteers! If you would like to sponsor the event or volunteer to help, please email us for more information.