The Radius Group gathers chefs from around the country at Radius on Sunday, March 12th at their annual fundraiser for the Big Sister Association of Greater Boston. Partners Michael Schlow, Christopher Myers and Esti Parsons, the threesome behind Radius, Via Matta and Great Bay, welcome a national roster of chefs including Paul Kahan of Chicago’s Blackbird, Suzanne Goin of LA hot spots Lucques, AOC and Hungry Cat, Paula “Dixie” Disbrowe of Hart & Hind Fitness Ranch in Rio Frio, Texas, and Gabrielle Hamilton of Prune and Wylie Dufresne of WD-50 both in New York. As hosts, Schlow and pastry chef PJ Waters will also get in on the fun for the evening’s six-course menu. The dinner, which starts at 6:00pm, costs $500 per person with proceeds benefiting the Big Sister Association’s mentoring programs. Call 617.426.1234 to purchase your tickets.