Leo is Managing Director of Exelion Bio-Pharmaceutical Consultancy B.V., a company active in pharmaceutical product development. For Neurophyxia he is involved in biopharmaceutics, production, quality control and (early) clinical development. Furthermore he has a broad experience in projects and assignments dealing with pharmaceutical development of dosage forms (conventional and advanced) with both small molecules and biologicals for many other (small) biotech companies. Before that time he has held various managerial positions for pharmaceutical companies like Yamanouchi Europe (currently Astellas Pharma), Gist-brocades, Brocades Pharma, OctoPlus and Organon.