Shelly Lazarus of Ogilvy & Mather is the sole ad-industry representative on Forbes’ newly released list of the world’s 100 most powerful women. Lazarus comes in at No. 78, just three spots behind Queen Elizabeth II of England. Condoleezza Rice tops the list. Client-side executives in the top 10 are Meg Whitman of eBay (No. 5), Anne Mulcahy of Xerox (No. 6), Sallie Krawcheck of Citigroup (No. 7) and Brenda Barnes of Sara Lee (No. 8), … Omnicom Group leaders became “culture vultures” last Wednesday, attending the Mostly Mozart Festival at Lincoln Center. Omnicom CEO John Wren, CFO Randy Weisenburger, DDB CEO Ken Kaess and executives from BBDO and TWBA were among those attending the charity event to raise money for the opera house. PepsiCo was also honored for its support. … Hungry Man’s Marcos Siega screened his film Pretty Persuasion in New York last Tuesday night. Beforehand, Siega, who also directs commercials for clients including the New York Lottery, admitted he was nervous about how the crowd would react. The black comedy, which premiered at the Sundance Film Festival in January, stars Evan Rachel Wood as a 15-year-old girl who manipulates her teachers and fellow students with false charges of sexual harassment. The movie, which opens in limited release this Friday, was received well. At the afterparty, at Pulse in Chelsea, girls in school uniforms who looked about high-school age passed around trays of Twinkies, an integral snack in the film. … Matt Weiss, new-business guru at McCann Erickson in New York, finished 107th out of 632 athletes in the 2005 BMW Greenwich Cup Triathlon in Greenwich, Conn., on July 31. He crossed the finish line 36th out of the 164 competitors in his age group—men 40-49. “Not bad for an old man in advertising,” he says. Next up for Weiss is the Sag Harbor triathlon on Sept. 18.