Complex sentence: Hanazawa went to university in 2007, while at the same time, she began to make her mark as a voice actress, being voted in 2010 as "Best Female Voice Actress" by listeners of the radio program.
Split into simpler sentences: Hanazawa went to university in 2007, while at the same time, she began to make her mark as a voice actress. She was voted in 2010 as "Best Female Voice Actress" by listeners of the radio program.