Research notes
George Howard-Chappell is a veteran engineering core figure on the Valkyrie LMH programme, with public reporting stating that he leads the hypercar project under the Heart of Racing banner. He was formerly Team Principal and Technical Director of the Aston Martin Racing division (operated by Prodrive), leaving in 2011, having built iconic GT cars such as the DBR9. He later was involved in the Multimatic Ford GT programme and served as Multimatic Motorsport Business Director. Note: His LinkedIn shows his current title as Multimatic Motorsports Business Director;
the specific Valkyrie programme title is a media descriptor, and years are inferred.