David Helfenbein (born August 1, 1986) is a strategic communication expert focused on public affairs and crisis communication and a former staffer for Secretary Hillary Clinton.
David Helfenbein (born August 1, 1986) is a strategic communication expert focused on public affairs and crisis communication and a former staffer for Secretary Hillary Clinton. (en)
David Helfenbein (born August 1, 1986) is a strategic communication expert focused on public affairs and crisis communication and a former staffer for Secretary Hillary Clinton. (en)