Photographic portrait of Cathy Koch
Helping companies cut through the chaos to determine what's information and what's noise and how best to respond.

Cathy Koch

EY Global Sustainability Tax Leader; EY Americas and Global Tax Policy Network Leader

Leader in US and global tax policy with an informed perspective on public and private sectors and a deep knowledge of the US legislative environment.

Areas of focus Tax Tax controversy

With more than 20 years of experience in private industry, the Senate, and public practice, Cathy now serves as EY Global Sustainability Tax Leader and Leader of Americas and Global Tax Policy Network. Prior to joining EY, Cathy served as Chief Policy Advisor to the Senate Majority Leader for Tax and Economics. Through this role and prior industry experience, she gained expertise on a broad spectrum of issues including tax reform in the tax-writing committees and the science of revenue estimation. Cathy now develops tax policy practices in Canada and Latin America and links them with the tax policy and controversy network across the globe.

Cathy earned a PhD in Economics from Georgetown University.

How Cathy is building a better working world

“In my work with clients, I aim to provide guidance on the ever-changing American tax policy landscape and the associated US congressional perspectives. My team and I work to connect policy practices throughout Canada, Latin America and the US, as well as the tax policy and controversy network across the globe. By building integrated tax services, we help clients prepare for rapid political, economic and legislative change.”