May 7th Mieke Janssen-Matthes passed away. Mieke was one of the creators and founders of SIETAR Europa and the first President of SIETAR Europa. Mieke was the tireless lead administrator …
May 7th Mieke Janssen-Matthes passed away. Mieke was one of the creators and founders of SIETAR Europa and the first President of SIETAR Europa. Mieke was the tireless lead administrator …