Red Bull lines up McCullough to replace LambiaseRed Bull is reportedly preparing another major technical signing, with Aston Martin veteran Tom McCullough lined up to become its new head of race engineering. Gianpiero Lambiase, Max Verstappen, Japanese GP 2026© Red BullIt had already emerged that McCullough will leave Aston Martin at the end of 2026 after more than a decade with the Silverstone-based operation. According to information obtained by Bild, Tom McCullough is set to become the new 'Head of Race Engineering', he wrote. Lambiase has already signed with McLaren and could eventually become team principal there. 'GP' is moving to McLaren, Milewski wrote.