World Zionist Congress
Gusti represented the Reform Movement at the World Zionist Congress. She was elected to the World Zionist Organization Executive at the 36th World Zionist Congress in 2010 as the co-chair of the Department for Zionist Activities in the Diaspora. She is now Chairman of the Department for Diaspora Activities. Since 2010, she has been a member of the Board of Governors of the Jewish Agency for Israel and a member of the Public Council to Commemorate Theodor Herzl.