Venue-sourcing tool Meetingselect plans to open its first U.S. office this summer, in New York, to serve its U.S. clients. It also has hired a meeting planner and a sales manager in Brussels, thus adding an office there. Meetingselect offers more than 100,000 conferences, hotels and event venues on its online booking tool. It's also a member of Event Tech Tribe, a partnership of event tech firms.