When you're Unilever and you're selling products in the heat of the moment, in real-time when somebody is ready to buy, it's not the right move to put something on Facebook or Snapchat or in a Google search result.
"How do I work within a big retail company? And I feel very lucky because the leadership got it and understood if we do it the right way, we do it in a customer-centric way, it can really add value," Lehrfeld said, explaining how his background helps Walmart's sales strategy.