Based on your premise that Jesus would have put me in charge of the GB...........it would be with the stipulation that I was working for Jesus and not the Society.
Therefore my operating instructions would have to come verbally from Jesus or if that was impossible I would rely on the Gospels as the manual for remaking the Society and JW's so that this religion would finally reflect the teachings of that person.
Since Jesus didn't waste time on the Old testament laws....... reading the Old Testament would not be necessary. Nor any WT publication. Only scriptures spoken by Jesus would be followed. If Jesus didn't say it we wouldn't either. No blood or Armageddon doctrine.
Since Paul was a walking contradiction and barely referenced Jesus, essentially contributing only enough references to Jesus to fill up both sides of a single postcard..........Paul's letters would be abandoned as meddlesome and insignificant.
Revelation....gone as well. If any bible book did not line up with JC's teachings......gone.
All of the Oral history that sprang up after Jesus left would be abandoned. So too the kept men of the Society. Everybody supports themselves and their families.
The JW's would be renamed and called Christian Witnesses. Jehovah's inaccurate name would be dropped........ Jesus called him Lord or father that should be good enough.
Following Jesus's example............. the GB down to the local Elders & MS would wash the feet of their congregations as many times a year as necessary until they understood that they are servants not overseers.