Google's Henning Dorstewitz has joined Haystac in the role of general manager at its Sydney office.

Henning joins the agency from Google where he was global communications & public affairs manager.

He takes over the reins from general manager Tabitha Fairbairn, who will return from maternity leave next year.

"Henning is well regarded and respected in the industry and complements our existing team of skilled consultants in Sydney," said Haystac managing director, Anton Staindl.

“He also reinforces our strength in helping consumer-facing technology businesses and high-profile online brands communicate with key audiences.”