22 years after Paul drew a great story in the Grendel Tales universe created by Matt Wagner, he once again was involved in one of Dark Horse Comics' succesful franchises, the Hellboy universe. After a short story in the 2016/17 Hellboy Winter Special he drew the 5-issue-miniseries The Visitor: How & wy he stayed, co-starring Hellboy himself. Details here
Twitter. There was an online discussion board for Paul Grist's comics at Image Comics, sometimes visited by Paul himself. But you can always see what he is up to via his twitter account.