Research notes
FIA Formula 2 official team page Team Members section publicly listed. Stuart King is a multi-championship-winning veteran race engineer, with a career that began in Formula Renault/World Series by Renault (two WSR drivers' titles). In 2016 he led Sirotkin to a GP2 vice-champion finish at ART Grand Prix. From 2018 he has worked with Carlin/Rodin on a contracting basis through his own company Shift Motorsport, guiding Lando Norris to the 2018 teams' title. He is currently Rodin F2 Chief Engineer. A Getty Images caption confirms 'Stuart King, Engineer of Rodin Motorsport' on the F2 Imola podium. The About page of his own company, Shift Motorsport, describes Stuart King as a multi-championship-winning race engineer who has been working with Carlin (now Rodin) on a contracting basis since 2018. LinkedIn headline is Race Engineer and founder of Shift Motorsport. All three sources corroborate the same person. Getty Images page title/caption directly states Stuart King, Engineer of Rodin Motorsport lifts the trophy during Formula 2 Round 4 Imola;
the FIA Formula 2 official Rodin Motorsport Team Members section lists Stuart King. The image is a public static news photo, locally cropped to retain the subject only;
since the source is a picture agency rather than an official team personnel page, photo confidence is medium.