The Jewish Center of Teaneck offers Tikkun Leil Shavuot with themed learning focusing on “Communal Leadership in the 21st Century.”  Speakers will be CB Neugroschl, head of school, Yeshiva University High School for Girls, who will talk about female leadership through the lens of Megillat Ruth; Mechi Jenkelowitz, who will discuss lay leadership; and Rabbi Daniel Fridman, who will speak about rabbinic leadership. 70 Sterling Place. (201) 833-0515.