In 2010 he received the "Adolf Peschek Preis" ("Adolf Peschek Public Award") in the Museum of the City of St. Pölten. In 2012 Gräff created the painting for the vine etiquette of the Red Cross in Lower Austria. In 2013 he and and his girlfriend Georgia Kazantzidu organized a concert of the Mojo Blues Band in Gars am Kamp. The same year Gräff created the officiel twin city painting for Gars am Inn (Germany). The same year Matthias Laurenz Gräff became a co-founder and chairman of the worldwide family association "Familienverband Gräff-Graeff e.V.". 