David Lauri Wiltshire is a professor of theoretical physics at the University of Canterbury, in Christchurch, New Zealand, where he leads the Gravity and Cosmology Group.

[1] Wiltshire completed undergraduate studies in physics and mathematics and an MSc at the University of Canterbury, Christchurch in 1983.

[2] In 1987, Wiltshire completed a PhD in theoretical physics at the University of Cambridge, supervised by Gary Gibbons.

In July 2001, he returned to the University of Canterbury to take up an academic position in the Department of Physics and Astronomy.

On 19 December 2024, Wiltshire and colleagues announced [7] the results of a new model-independent statistical analysis of the Pantheon+ Type Ia Supernova catalogue.