Kerstin Sommer

Participatory Slum Upgrading Programme (PSUP)
Regional Office for Africa and the Arab States (R.O.A.A.S.) UN-HABITAT,
United Nations Human Settlement Programme
P.O.Box 30030, Nairobi, Kenya

e-mail: kerstin.sommer@unhabitat.org.
Tel.: (+254-20) 7625519
Mobile: +254 072-745-3686