Corporate Event Planning * Corporate Training * NFL/NBA Player Bookings. With our unique and dynamic indoor/outdoor team building programs, Cornerstone has programs that take place wherever and however you need them to. From in class, to online, to hotels, to casinos, boats to beaches, offices to islands, even the park down the street, we can lead programs in every imaginable location. Want your team to learn something new, embrace change, be spontaneous, cooperate and communicate? Corporate training is key to your success. We offer NFL and NBA Player bookings for your events.