"Although the Chofetz Chaim, who was much older than Reb Naftali and recognized as the Gadol Hador, was actively involved in the establishment of the Yeshiva as well as in all the important decisions,he was not officially the Rosh Hayeshiva." (source)
"We read the Chofetz Chaim’s words, and then we see how they might play out in our contemporary world." (source)