Hastings said: “After more than a decade with the Association, I feel the time is right to move on.
“During my time in the industry I have worked on many interesting and challenging issues and with many fantastic people, whom I would like to thank for their help and support over the years.
“I am looking forward to a break over Christmas and spending some time enjoying being a dad to my kids.”
He said he would “pursue some new public affairs opportunities” in the new year.
Brigid Simmonds, chief executive of the BBPA, said: “I would like to place on record the Association’s thanks to Mark for the considerable contribution he has made to enhancing the industry’s profile, positioning and reputation in his role as director of communications.
“We would like convey our very best wishes to him as he moves on to pursue other opportunities.”
A statement released today (November 15) said he left on November 12.