- A Jewish Generation Changing the World The Jewish Federation of Greater Philadelphia transforms Jewish values into tangible deeds. We care for the vulnerable, rescue the imperiled, and lead and strengthen the Jewish community in Philadelphia, in Israel, and around the world. Renaissance Group, the Young Adult Division of the Jewish Federation, is an eclectic, passionate group of Jewish men and women, ages 25 to 45 who are connecting to make a real difference in the community through volunteerism and fundraising. If you are single or married, have a family or work as a professional, there is a place for you. Enjoy great programs, enticing events and have lots of fun while you help improve lives and better our community.