Ellen Gielen is an expert in regulatory, compliance and complex contractual matters and represents leading international life science companies on a wide range of pharmaceutical and medical device product issues. These issues include manufacturing & distribution, pricing & reimbursement and advertising, both on national and EU level. She has a specific focus on developing and securing innovative partnership models in the field of "patient support programs" and "hospital solutions". 

Beside this, Ellen also teaches a number of pharma law masterclasses at Smelt Academy (a Dutch institute for learning and development in life sciences and health), such as on contracting with hospitals.