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I am a theoretical physicist working on beyond the Standard Model physics. I aim to connect well-motivated new physics theories to experimental searches and observational data.

In recent years, I have focused on the QCD axion; this is perhaps the most robust solution to the strong CP problem and is the target of a rapidly growing experimental programme that requires theory input. I am also interested in predicting the signals of other plausible beyond Standard Model candidates through gravitational wave signals, in their cosmological and astrophysical effects, and at particle colliders.

Lecture notes for some courses that I have taught can be found on my .