Lucas Bols is the oldest spirit brand in the world and one of the Netherlands' oldest still operational companies. Over the past 440 years, Lucas Bols has mastered the extraction of flavours from natural ingredients and the creation of exquisite cocktail experiences. Lucas Bols has a portfolio of premium and super premium brands that are sold in over 110 countries. Its portfolio consists of more than 20 brands over a wide range of spirits that are used in cocktails, including liquors, gins, and vodka. Lucas Bols is the worldwide number one (except in the US) in the range of liquors and the biggest international player in the gin sector. Many of its products have obtained a leading position in their respective markets or categories. The House of Bols Cocktail & Genever Experience in Amsterdam and the Bols Bartending Academy, Europe's largest bartender course, offer inspiration and training to both bartenders and consumers. Lucas Bols was floated on the Amsterdam Stock Exchange on 4 February 2015.
Halsten works for Lucas Bols as an external legal counsel in various legal areas.