Newsmakers webcast: UWM, Lineage CEOs on how they kept growing in a pandemic year Crain's Detroit Business Print The CEOs of two of metro Detroit's fastest-growing companies maintained their agility in navigating a difficult 2020, while maintaining their breakneck expansions. Greg Lehmkuhl, CEO of Novi-based cold food storage warehouse giant Lineage Logistics, and Mat Ishbia, CEO of Pontiac-based United Wholesale Mortgage, share some of how they it in interviews with Crain's Publisher and Crain Communications CEO KC Crain as part of a series of interviews with 2020's top Newsmakers. Lehmkuhl led Lineage to one of the most acquisitive years on record — for any company in Michigan, ever.