Answer
Hubert was competing for Arden International at the time of the tragic incident. Arden International, founded in 1997 by Christian Horner and Garry Horner, is a renowned British motorsport team primarily focused on open-wheel racing series. Operating out of Banbury, Oxfordshire, Arden has a rich history of nurturing and developing talented drivers, providing them with the necessary resources and support to excel in their racing careers.