Eris Group, LLC

A preeminent federal advocacy firm providing strategic advice and hands-on operational support.


What We Do

Our expert team focuses exclusively on our clients; their success is our only goal. We build long term relationships and strive to understand our clients’ business, as well as the business and political environment in which they work.

Golden Apple



Stay up to date on public policy with our weekly Golden Apple report.

Hearing Memos



Get behind-the-scenes reports by reading important hearing memos first-hand.

Who We Are

As a small firm, our guiding philosophy is teamwork. Each member of the firm brings his or her unique skills, experience and broad range of contacts to the task.

Doyle Bartlett

Before co-founding the Eris Group in 2003, Doyle served for five years as Chief of Staff to Rep. Bill McCollum (R-FL), supporting Congressman McCollum’s work as Vice Chairman of the Banking Committee and Chairman of the Crime Subcommittee.

Greg Mesack

After graduating from Miami University in Ohio, Greg served as Congressman Wally Herger’s staff assistant before honing his political skills at the House Republican Conference as a legislative analyst for members of Congress.

Chris McCannell

Chris brings over 20 years of Washington experience and insight to our clients. Most recently, he led APCO Worldwide’s Washington financial services practice, previously working with Ameriprise Financial and Quinn Gillespie & Associates.