Rough was formerly group director, investments of Legal & General Group, and remains as a consultant to the insurance group. He is known in the City for his outspoken views and reputation for critical assessments of companies.
Emap has been through some difficult times of late. Yesterday it said it was cutting 100 jobs from its car and leisure publishing division, Emap Automotive/Active, with further titles to close. A number of magazines have also been closed including music title Kingsize.
Last year it sold its US business to Primedia for £365m, after original buying it for £720m three years earlier, leading to the departure of chief executive Kevin Hand.
Emap is still looking for a replacement, with former chairman Robin Miller handling the role for the interim.
However, Rough has told the Financial Times: "I haven't been brought in as a break-up artist." Certain Emap assets are seen as being very attractive to other companies, with Capital Radio thought to be interested in acquiring Emap's radio businesses, which includes Kiss FM.
Adam Broadbent, Emap chairman, said: "It is important for any board to be receptive to new ideas and we look forward to David bringing his expertise gained as investment director at Legal & General to the Emap board."
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