Complex sentence: Janito became coach in 2012 and kept its remaining regional successes going, later Beto took the position for about two years up to 2015 and the season was not as successful as earlier.
Split into simpler sentences: Janito became coach in 2012 and kept its remaining regional successes going. Later Beto took the position for about two years up to 2015 and the season was not as successful as earlier.