The “Mathematical Finance Conference in Honor of the 60th Birthday of Dilip B. Madan” was held at the Norbert Wiener Center of the University of Maryland, College Park, from September 29 – October 1, 2006, and this volume is a Festschrift in honor of Dilip that includes articles from most of the conference’s speakers. Among his former students contributing to this volume are Ju-Yi Yen as one of the co-editors, along with Ali Hirsa and Xing Jin as co-authors of three of the articles. Dilip Balkrishna Madan was born on December 12, 1946, in Washington, DC, but was raised in Bombay, India, and received his bachelor’s degree in Commerce.