Dan is a charter member of the RR&R Lair #1 and is a signer of the RR&R constitution. He completed his Rascal's Challenge at the 4th Quarter 1993 meeting of Lair No. 1. He gave a non-Challenge presentation on the Kingdom of Araucania and Patagonia at the First Quarter 1996 meeting of Lair No. 2. Dan won the J. Z. Landgraf medal at the 1996 Mass Challenge meeting of Lair No. 1. He gave a non-Challenge presentation on the Bethlehem Steel Soccer Club at the First Quarter 2000 meeting of Lair No. 1. In November 2000, Dan helped launch Lair No. 3 of the RR&R in Doylestown, Penna. He is a charter member of Lair No. 3 and is a signer of the Lair No. 3 charter. He gave a non-Challenge presentation on Lester J. Hendershot at the Fourth Quarter 2000 meeting of Lair No. 3. He gave a non-Challenge presentation on backyard flora in Montgomery County, Pennsylvania at the Third Quarter 2007 meeting of Lair No. 3. In February 2002, Dan won his second J. Z. Landgraf medal at the 2002 Mass Challenge of Lair No. 3. In 2008, he won his third J. Z. Landgraf medal at the 2008 Mass Challenge of Lair No. 3. He presented a non-challenge presentation on J. Maurice Hubbard at the Second Quarter 2019 meeting. In December 2019, the won the Landgraf prize for a fourth time. At the Second Rogues' Dinner on 8 January 2022, he completed his Rogue Challenge and become the first Rapscallion in the RR&R. At the June 11, 2022 meeting of Lair No. 3, he became the first Rascal to attend 100 RR&R meetings. He is a member of the Ephorate.