It's a Family Affair: Dave Steiner, owner of Steiner Furniture in El Paso, along with sons, Silas (Thrive) and Seth (Horizon Productions) talked to the CEO students Tuesday morning about their entrepreneurial experiences; how they got started, the ups and downs of their businesses, and what makes them unique in their industries. Thrive uses drones to spread seeds and treat farm grounds, ponds, and waterways, while Seth does video production.