Complex sentence: Srotac was appointed a seat on the High Council of Coruscant just a few galactic months after Anakin Skywalker's first introduction to the Jedi Council and sat on the Council until the Clone Wars started.
Split into simpler sentences: Srotac was appointed a seat on the High Council of Coruscant shortly after Anakin Skywalker's first introduction to the Jedi Council. He sat on the Council until the Clone Wars started.