The Exchange club of San Ramon Valley's September luncheon guest speaker will be Ret. Rear Admiral Mary P. O'Donnell, U.S. Coast Guard. The event is from 11:30 a.m.-1 p.m. on Wednesday, Sept. 12 at Faz Restaurant (600 Hartz Ave., Danville). O'Donnell's presentation will focus on "The Expanding Role of Women in the Military." Cost is $16 for members and first time guests and $20 for returning guests. Call 275-2412 or visit www.srvexchangeclub.org.

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