Lee Kushner and Lenny Zeltser will present at SOURCE Boston, April 21, at 10 a.m. in Plaza Ballroom A. Kushner is president of Freehold, N.J.-based LJ Kushner Associates, an executive search firm dedicated to the information security industry and its professionals. Zeltsers: “My No. 1 tip for job candidates at the moment is to emphasize their communication skills during the interviewing process” The two stress that while a resume has value, it is personal contact that will close the deal.”]