P.O.B. 43087, Jerusalem, 91430. Rabbi Mordecai Kornfeld, 651-5004 - [website][email][events]
The Dafyomi Advancement Forum (D.A.F.), under the auspices of Kollel Iyun Hadaf which was founded in Elul, 5756 (August, 1996) by Rabbi Mordecai Kornfeld, provides a free Internet and email based resource center for Dafyomi learners around the world.