Most Powerful Women: The Operators I Fortune

What makes a great No. 2? Three tech COOs explain what the best COOs do, how the No. 2 job is evolving, and what more women in the COO role might mean for the future of female leadership. Belinda Johnson, Chief Operating Officer, Airbnb Linda Kozlowski, Chief Operating Officer, Etsy Marne Levine, Chief Operating Officer, Instagram Moderator: Leigh Gallagher, Fortune Subscribe to Fortune - http://www.youtube.com/subscription_c... FORTUNE is a global leader in business journalism with a worldwide circulation of more than 1 million and a readership of nearly 5 million, with major franchises including the FORTUNE 500 and the FORTUNE 100 Best Companies to Work For. FORTUNE Live Media extends the brand's mission into live settings, hosting a wide range of annual conferences, including the FORTUNE Global Forum. Website: http://fortune.com/ Facebook:   / fortunemagazine   Twitter:   / fortunemagazine   Fortune Magazine is published by Time Inc.