Daniel Offer, M.D., is a Professor of Psychiatry and Behavior Sciences at Feinberg School of Medicine at Northwestern University. The author of sixteen books and 200 scientific articles, he has been on dialysis since 1999. Marjorie Kaiz Offer is a Research Assistant in the Department of Psychiatry and Behavior Sciences at the Feinberg School of Medicine, and is married to Daniel Offer. Susan Offer Szafir is a freelance writer and marketer, and is the daughter of Daniel and Marjorie.