Cathie Costello

Chief of Staff, Executive & Administration at EarthLink

Cathie Costello joined EarthLink as Chief of Staff in 2019. In her role, she directs all administrative, financial, and operational activities for the CEO and President. Cathie also plays an essential part in HR for the company and in planning EarthLink’s presence at corporate events. Prior to joining EarthLink, she held purchasing, event planning, and sales positions including serving as a licensed real estate agent.