Bartholomeus P.H. Leijnse (1962) graduated in Dutch law (1988) and in philosophy (1994); practicing lawyer since 1992, at Nauta Dutilh until 2001; founding partner of the boutique firm Leijnse Artz in Rotterdam (2001), focusing on commercial interests in highly regulated markets (food, consumer goods, health care and pharma). Counsel in numerous domestic and international arbitrations under various rules; chair, co-arbitrator, emergency and sole arbitrator in numerous cases in institutional (NAI, ICC, WIPO) and ad hoc arbitrations.