Luke Skywalker became the de facto Grandmaster after the death of Jedi Master Yoda, and with the training he had received from him, Obi-Wan Kenobi, and various Jedi texts, he rebuilt the Jedi Order with students. He trained Leia Organa Solo, her son Ben Solo, and a multitude of Force sensitive students.

Which Jedi were grand masters?

Yoda was the Grand Jedi Master and the most senior Jedi. Already over 850 years old, Yoda was one of the few Jedi that survived Order 66. Together with Obi-Wan Kenobi, he taught Luke Skywalker the ways of the Force many decades after Luke's father first set foot in the Council chamber.

Is Grandmaster Luke stronger than Yoda?

Luke is also more powerful then yoda. This is confirmed because Anakin had the potential to be more powerful then Yoda. ... Meanwhile Luke did what anakin could never be. So luke is actually still the most powerful and strongest ever.