“Top Chef” reality TV celebrities Voltaggio and Hall will be among the dozens of chefs featured in the Smithsonian’s Sustainable Seafood Culinary Weekend. The June 11-12 weekend will feature three events: an evening reception with tastings prepared by more than 30 acclaimed chefs, a VIP reception with seafood dishes featured by top local chefs ,and a panel discussion with industry experts. Voltaggio’s restaurant Volt is in Frederick, while Hall heads Alchemy Caterers in the D.C. area.