After his graduation in 1985, Maarten A.M.Chr. Koning worked for six years as a publisher for the publishing house Kluwer.  From 1991 until 2007, he organized around 100 workshops, conferences and seminars, and published four law journals in Central- and East European countries.

In  2008 he began specialising in visual presentations, analyses and publications in the fields of history and art,  as a means of understanding European cooperation and integration (TES, the European Spectator).

He has been publishing  the Swiss-Spectator.ch website since 2018.

He graduated from the University of Utrecht, Faculty of Law (MA), from the University of Leiden, Faculty of Arts, specialisation ancient history (MA),  and from the University of Amsterdam (UvA), Faculty of Humanities, specialisation medieval art and of the nineteenth-century art  (BA).

From 2008-2013,  he was the project-director of  ‘The European Supreme Courts. A Portrait Through History” (Third Millennium Publishers London 2013).

Born in the Netherlands in 1959, he speaks Dutch, English, French, German and Spanish.