Is anyone here good at building lists of contacts? We're sending out a "Q&A about El Niño" to everyone organizing events at New York Climate Week, with the goal

Is anyone here good at building lists of contacts? We're sending out a "Q&A about El Niño" to everyone organizing events at New York Climate Week, with the goal of having them spent 2 minutes talking about El Niño at their event. We have a partial list...could use some help!