Rav Dovid Oppen has been in the holy land for more than 30 years now. But R’ Usher and R’ Shmuel Dovid Gluck are STILL the 11th and 12th grade rabbeim, ka’h!
Reb Reuven Gluck was, and still is the Baal Shacharis in the Yeshiva. Rav Chaim Schmelczer, ztl, was the baal Mussaf. Today, he has been replaced by his sons, R’ Moshe and R’ Shmuel.
The Telzer davening is addictive. Once you experience it, and absorb it, it is very difficult to leave.