Cfo Thought Leader

It was a morning commute Chris Greiner had made hundreds of times before. Living in old Shanghai and working in the city’s sleek business district, Greiner’s daily drive to the Jin Mao Tower often stretched well beyond an hour. But on this particular day, his driver told him they’d arrive in just 30 minutes. Puzzled but intrigued, Greiner went along—only to discover the traffic patterns had shifted. “They repainted the lines,” the driver told him with a grin. The same bridge, same road—just used differently.Greiner never forgot the lesson. As CFO of Zeta Global, he often draws from that experience when approaching business challenges. “You might be fixed in your infrastructure, but there’s almost always another way through,” he tells us.That mindset is now shaping Zeta’s evolving AI strategy. Rather than applying AI for efficiency’s sake, Greiner tells us his team follows the real patterns of work—starting with customer behaviors. “We began by observing how marketers use our platform,” he says, “then built au