 Alberse applied at the Leiden University in June 1891 majoring in Law and obtaining an Bachelor of Laws degree in July 1893 and worked as a student researcher before graduating with an Master of Laws degree in July 1897.Alberse worked as a lawyer in Leiden from August 1897 until April 1901.Alberse also worked as editor of the newspapers "De Tijd" and the "" from November 1898 until 25 September 1918.