Building peace in the minds of men and women

Global MIL Week 2019 Feature Conference

Ronan Costello

Public Policy – Europe, Twitter

Ronan works as part of Twitter’s Public Policy team in Dublin, the company's headquarters for Europe, the Middle East and Africa. Public Policy represents Twitter with government and civil society. Ronan leads on Third-Party Outreach & Government Partnerships, oversees the global Ads for Good programme, and leads engagement across several countries in Europe. 

Ronan holds a Bachelor of Laws from Trinity College Dublin, an MSc in Media and Communications Governance from the London School of Economics and Political Science. He’s also a qualified barrister. He is @Ronan_Costello on Twitter.