Caleb Tull Is The New Director Of Membership At The Johnson City/Washington County Chamber Of Commerce. Tull Is Already Planning His Focus Areas, According To A News Release From The Chamber. Tull Isn’t Traveling Far From His Last Job, In Fact, He Moves Right Across The Hall, As The ETSU Alumni Spent The Past 10 Years Working For The ETSU Alumni Office. Hull Begins At The Chamber August 1st.