University alumnus Quinn Hebert — chairman of Cal Dive International Inc. — will be the guest speaker for the Energy Leadership Speaker Series on Tuesday, March 24.Hebert will discuss Cal Dive’s repair efforts in the aftermath of Hurricane Katrina in the Woods Auditorium of the Energy, Coast and Environmental Building at 3 p.m.Cal Dive is a marine contractor providing manned diving, derrick, pipelay and pipe burial services to the offshore oil and natural gas industry.——Contact Leslie Presnall at [email protected]