Concord official to speak to Rotary Club Guy Bjerke will be the guest speaker for Rossmoor Rotary Club’s meeting on Wednesday, Jan. 27, via Zoom. Check-in starts at 11:45 a.m. Bjerke is the director of economic development and base reuse for the city of Concord. He’s responsible for overseeing the city’s economic development programs and the implementation of the Reuse Area Plan