MONTICELLO – Donna Schick is resigning as chairwoman of the Sullivan County Democratic Committee.In a letter to committee members, Schick said she is resigning for personal reasons. Her resignation will be effective Aug. 1.During her 10 years on the committee, Schick also served as its secretary."I have always said that when the work no longer feels productive or enjoyable, I would step away from the project," Schick wrote in her letter.