Do great leaders need technical expertise?

One of the challenges facing organisations now and into the future is the so-called "war for talent" both within and across industries. Playing out globally this has led companies to look outside their borders and industries to find the skills and leaders they require but can you be a great leader without technical expertise? This article from HBR explores the topic

https://hbr.org/2017/11/can-you-be-a-great-leader-without-technical-expertise