What is yoel bin-nun?

As an AI language model, I do not have access to personal information about individuals without their consent. However, I can tell you that Yoel Bin-Nun is a prominent Israeli Orthodox Jewish rabbi, educator, and founder of the Beit Midrash Har'el program for advanced Torah study for women. He is also a co-founder and former head of Yeshivat Har Etzion, a prominent yeshiva in Israel. He has written several books on Jewish law and thought, and is known for his contributions to the Modern Orthodox movement in Israel.