Complex sentence: She rose to fame in the late 2000s as a member of the girl group Wonder Girls, leaving the ensemble shortly after their debut in 2007 and subsequently joining the girl group 4Minute in 2009.
Split into simpler sentences: She rose to fame in the late 2000s as a member of the girl group Wonder Girls. After leaving the ensemble shortly after their debut in 2007, she subsequently joined the girl group 4Minute in 2009.