Complex sentence: As divorce was illegal in Italy until 1975, Piero could only be recognized as Enzo's son after Laura's death in 1978, and is currently a vice-president of the Ferrari company with a 10% share ownership.
Split into simpler sentences: As divorce was illegal in Italy until 1975, Piero could only be recognized as Enzo's son after Laura's death in 1978. He is currently a vice-president of the Ferrari company with a 10% share ownership.