A graduate of ESCP-EAP, Marion began her career at Exane's equity research department. In early 1999, she joined SPEF - now Seventure - as part of the management team of the SPEF Pre-IPO European Fund and then the SPEF e-FUND, where she was responsible for a number of transactions and monitored various investments, involved in particular in several areas of the software and internet media markets. She invested in and followed-up portfolio companies such as Budget Telecom (IPO on Alternext en 2006), Danionics (IPO on Copenhagen Stock Exchange in 2001) and Emailvision (IPO on Alternext in 2006). She is a board member of Talentsoft, Scaleo Chip, Netasq, Transatel and W4.