Siegfried Meister (born 1938/1939) is a German billionaire businessman, founder and 63% owner of Rational AG.
Early life
Meister trained as an electrical engineer.
Career
In 1973, he founded Rational AG.
In June 2015, Forbes estimated his net worth at US$3.0 billion.
Personal life
He is married and lives in Landsberg am Lech, Germany.
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