Entering the University of Prague, Matthew graduated bachelor of arts in 1355 and master in 1357, and later filled for several terms the office of dean in the same faculty.
[2] A source from 1387 refers to Matthew as professor of theology, and one manuscript speaks of him as "city preacher of Prague".
[2] Frequently employed by the king both at court and on embassies, he appeared at Rome in 1403 to solicit Boniface IX's confirmation of Rupert's claims.
[2] Gregory XII wished to name him Cardinal Priest of St. Cyriac in Thermis, but Matthew declined the honour.
As ambassador of Rupert to the Council of Pisa, he displayed the greatest zeal on behalf of Gregory XII, whom he regarded as the legitimate occupant of the papal throne.