Plank Reclaims Under Armour CEO Role After Pushing Out Turnaround Chief Linnartz

Kevin Plank pushed out well-regarded CEO Stephanie Linnartz and reinstalled himself as CEO despite past cultural issues at Under Armour
Linnartz was making progress on a turnaround, adding talent and outlining a growth strategy
Plank deserves credit for building Under Armour but missed key trends and grew too fast, hurting financials
Plank claims he's learned lessons from time away as CEO but must prove he can lead differently than his "bro culture" past
Longtime athlete sponsor Lindsey Vonn supports Plank's return but success depends on him channels Linnartz's servant leadership approach