Biography
Otto Happel is a German billionaire businessman with a current net worth of $3.4 billion. Born on February 9, 1948, he received his PhD in engineering from RWTH Aachen University. Happel's career is marked by his transformation of GEA Group into a global system supplier in the construction-engineering industry, introducing machinery and plants for various industries. He took the company public in 1989 and made over 70 acquisitions, expanding GEA's reach to over 200 subsidiaries in 60 countries. He sold his stake in GEA Group in 2006, after having increased the company's revenue to over €2.6 billion by 1999.
