Born in
Zaltbommel on 20 April 1749, de Mist was the son of a clergyman, Arnoldus de Mist, and his wife Geertruida Verstrinck. For advanced schooling, he studied
Roman Dutch law at the
University of Leiden, from 17 September 1766 to 1 July 1768. He practised law in
Kampen from 1768 to 1769. After that he entered political life, holding the following positions: •
Chief Administrative Officer of Leiden from 1769 to 1795. • Member of the Council for Regional Representation for the People of
Overijssel, from 1795 to October 1795. • Member of the Committee for the Affairs and Possessions of the Batavian Republic in America and on the Coast of Guinea, from October 1795 to May 1796. • Member of the First
National Assembly of the Batavian Republic for the district of
Deventer, from 17 May 1796 to 1 September 1797. • Chairman of the First National Assembly, from 17 April 1797 to 1 May 1797 • Member of the Second National Assembly for the district of Deventer, from 1 September 1797 to 22 January 1798 • Imprisonment in The Hague, from 22 January 1798 to July 1798, after the January 1798 coup d'état, because of his political allegiance. • Member of the Department of Justice for
Amstel, from 6 April 1799 to 1 April 1802. • Member of the Board of Asiatic Possessions and Establishments, from August 1800 to 1802. •
Commissioner-General for the
Cape of Good Hope,
Cape Town from 1802 to 1804. • Member of the Board for Asiatic Possessions and Establishments, from 23 March 1804 to 1806. • Secretary-General of the Ministry of Commerce and the Colonies, from 1806 to 1807. • Member of the State Board for Foreign Service, in the Department of Commerce and the Colonies, from 16 July 1806 tot 14 February 1807. • Member of the State Board for Commerce and the Colonies, from 14 February 1807 to 4 December 1807. •
Landdrost of
Maasland, from 8 May 1807 to 2 December 1807. • Member of the State Board for Foreign Service, president of the department for commerce and the colonies, from 4 December 1807 to 1 January 1809. • First president of the
Court of Accounts for the
Kingdom of Holland, from 27 May 1809 to 1 December 1812, • President of the Interim Committee, Court of Accounts, from 1 January 1812 to 30 November 1813. • President of the provisional Court of Audit for the United Netherlands, from 30 November 1813 to 1 August 1814. • Member of the
Council of Notables for the
département of
Monden van de Maas, 29 and 30 March 1814. • Member of the Board of Commerce and the Colonies, from 1814 to 1820. • Member of the First Chamber of the States-General, from 27 September 1820 to 3 August 1823. ==Appointment by the Batavian Staatsbewind==