Stack Construction Founder Phil Ogilby Looking for Contractors to Try HeyJulia.ai Stack Construction Technologies Founder Phillip Ogilby is launching HeyJulia.ai, which marries construction artificial intelligence (AI) with a voice interface for the field. As construction software vendors scrambled to add artificial intelligence (AI) to their product stack, either to impress investors or the market, they mostly picked the low-hanging fruit first. While some applications explo