The Anna & Fred Doppelt Base Andersonville is the home of Jonathan Posner and Hannah Swirnow. At Base ANVL, you will have delicious meals, lively discussions, deep learning, and more. Base ANVL is a place to feel at home and find your place among the Jewish People and in our Tradition. Silverstein Base Chicago is made possible through generous support from the Silverstein Family, Crown Family Philanthropies, Judy and Abel z”l Friedman, Anonymous, and JUF’s Breakthrough Fund.