Rabbi Yacov Barber was born in Sydney Australia. He studied in Yeshivah College Sydney, Yeshivat Kol Torah in Yerushalayim, the Lubavitcher Yeshivah in Montreal, and the Central Lubavitcher Yeshivah in New York. He received semichah and dayanut from HaRav HaGaon Y. Piekarski and HaRav HaGaon P. Herschprung.
For the last twenty-five years, he has been the Senior Rabbi of the South Caulfield Shul in Melbourne, Australia. He is a Senior Dayan on the Melbourne Beth Din and a member of the Rabbinic Board of Kosher Australia.