Tamra Koehler and Steven Whitney, June 22, Napa Valley, Calif. Bride’s an artist in resident at Domain Chandon; groom’s writer-producer .
Tiffany Nicole Collins and Paul Andrew Weitzman, July 20, Bel Air. Bride’s co-operate exec for ProTour memorabilia; groom’s literary agent for Shapiro-Lichtman Talent Agency.
Jeff Lipsky, who founded Lot 47 Films three years ago, has stepped down as president of the company. He will remain as one of the shingle's three board members but will no longer participate in…