While Jobs was a persuasive and charismatic evangelist for Apple, some of his employees from that time had described him as an erratic and tempestuous manager. An industry-wide sales slump towards the end of 1984 caused a deterioration in Jobs' working relationship with Sculley, and at the end of May 1985 following an internal power struggle and an announcement of significant layoffs Sculley relieved Jobs of his duties as head of the Macintosh division.