Hadrien Chef

Hadrien works closely with many different types of clients in Belgium's thriving pharma and biotech landscape. From start-ups to multinationals, his advice helps client identify how to success and grow as a business.
An experienced corporate lawyer who specialises in mergers and acquisitions (M&A), venture capital, public offerings, corporate reorganisations, corporate and security law, and corporate finance, Hadrien is a Partner in Osborne Clarke’s Brussels corporate team. In this role, he advises on public and private M&As, and acts for clients on a wide variety of transactional matters and restructurings, including setting-up, financing, reorganising, acquiring, or liquidating business ventures, also providing litigation services in these areas.
Hadrien is constantly close to the cutting-edge of biotechnology medical diagnostics and medtech. For example, he has been advising OncoDNA, a cancer theranostic company and winner of the Biotech Award of Deloitte’s 2020 Technology Fast50 competition, for several years as they expand their business to support oncologists in treatment decisions for patients. Other clients active in biotech, medtech and medical diagnostics include Bone Therapeutics, Biosourcing, ImmunXperts, Auxin Surgery, Kitozyme and BepharBel Manufacturing.
Along with his colleagues in the Osborne Clarke life sciences team, he is an active member of the Biowin consortium and a presenter at Essenica/Agoria on digital transformation in the life sciences industry.
While an unquestioned specialist in the field of life sciences, Hadrien has significant expertise in other areas, including technology, media and communications, and transportation and automotive, again regularly advising on M&A transactions, joint ventures and investment schemes. His experience in these sectors was gained on the international stage, having worked as an Associate in Hong Kong in 2015, and carrying out a secondment at a leading provider of specialised transportation and logistics in 2014.
Representing a European Healthcare investor, and the lead investor in this matter, in the EUR 18 million series B financing of a pioneering medical device company
Assisting a medical diagnostics company with its acquisition of a Spanish entity as well as with its fundraising through repayable advances
Representing a Belgian Immunology company on its latest capital round
Advised a Belgian pharmaceutical company on a new partnership with two private investors
Advised Visiomed, company listed on NYSE Alternext Paris, on the Belgian law aspects of their acquisition of business units from Omega Pharma
Advised a technology company on its acquisition of an independent cybersecurity company
Assisting Accountable on corporate and tax shelter issues in the framework of a seed financing and on the drafting of a Subscription and Shareholders Agreement with a view to its Series B financing
Advising a staffing company on its investment in a developer of online tools to manage flexible staff
Advising a global media group on its acquisition of a Belgian life stream company
Advising a Belgian insurance company on its acquisition of an insureTech company
Advising the shareholders of a communication company on its aborted sale to a Belgian media group
Assisting a global aircraft company with various corporate advice
Assisting a manufacturer of electric vehicles in setting-up a joint venture in Belgium
Assisting various public entities with the launch of Social Impact Bonds
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