From 1999 to 2003, she held various management positions at two biotechnology companies in Massachusetts and California. From 1992 to 1996, she had marketing and sales responsibility at an energy supply company in Riga, Latvia. Lowenstein is a native of Latvia. She studied business and engineering at Riga Technical University. Additionally, she earned a Masters degree in Business Administration from the Walter A. Haas School of Business, University of California in Berkeley in 1998. Lowenstein will move from Merck Millipore in Bedford, Massachusetts, to Darmstadt.