Charles J Cooper
D.C. law firm Cooper & Kirk co-founder, lawyer for various House Ukraine investigation witnesses
Allan B Hubbard
Bush economic advisor; E&A Industries president
David Urban
Managing director for BGR Group - Lobbyist and Former Chief of Staff for Arlen Specter
Sam Geduldig
Lobbyist and former Republican Congressional staffer; Co-CEO, CGCN Group
Robert D Lehman
Senior Public Policy Advisor, WilmerHale; former Chief of Staff to Senator Rob Portman (R-OH)
Steven W Silver
Attorney/Lobbyist - Robertson Monagle & Eastaugh
Rob Collins
ex-Congressional Staffer, Republican operative, partner in Purple Strategies, S-3 Group