In 1581, he was first called to the professorial chair, but was only employed to explain the Institutiones of Justinian. Later, in 1589, his lectures were extended to the Pandects, when he became the first assigned that new professorship, which he held until 1593.
In 1581, he was appointed as a professor and was responsible for teaching the Institutiones of Justinian. His duties were later increased in 1589 to include the Pandects, and he became the first person to fill this new academic position, which he held until 1593.