Complex sentence: Subsequently, he joined the Centre for DNA Fingerprinting and Diagnostics as a scientist and continues at the institution, holding the position of a scientist grade IV, heading the "Lab of Transcription" where he hosts several scientists and scholars.
Split into simpler sentences: Subsequently, he joined the Centre for DNA Fingerprinting and Diagnostics as a scientist. He continues at the institution, holding the position of a scientist grade IV and heads the "Lab of Transcription" where he hosts several scientists and scholars.