Complex sentence: Masleev graduated from the Moscow Conservatory of Music studying under Professor Mikhail Petukhov in 2011 and then completed postgraduate school in 2014.After postgraduate school, he became an intern at the Lake Como International Piano Academy, Italy.
Split into simpler sentences: Masleev graduated from the Moscow Conservatory studying under Professor Mikhail Petukhov in 2011 and then completed his postgraduate studies in 2014. He then interned at the Lake Como International Piano Academy, Italy.