Oscar Calsamiglia
General Counsel
Oscar Calsamiglia is Grifols’ General Counsel, overseeing all global legal matters and ensuring that the company’s governance framework effectively supports its long term strategy. He joined Grifols in September 2025 and has been a member of the Executive Committee since January 2026.
Prior to joining the company, Oscar served as a partner at Osborne Clarke Spain, a leading international law firm, where he specialized in corporate development, shareholder management and complex commercial agreements. Over more than a decade in private practice, he advised Grifols on some of its most significant corporate transactions, gaining extensive experience in corporate and commercial law.
A native of Barcelona, Oscar holds a Law degree from Pompeu Fabra University and a Master’s in International Business Law from Queen Mary University of London. He is also a member of the Barcelona Bar Association.