University of Street Andrews. University of Aberdeen.
In the latter charge his predecessor had been the famous Patrick Forbes. He held this position until 27 October 1624, when he was translated to Greyfriars parish, Aberdeen. In the following year, on 21 December 1625, he was appointed as the first Professor of Divinity at Marischal College, a post he would hold simultaneously with his charge at Greyfriars.
In this year Baron was nominated to be Bishop of Orkney, but was unable to receive consecration.
He fled to England in the Spring of 1639 to avoid being forced to sign the National Covenant. He was on his way back to Scotland later in the year, but fell ill and died at Berwick-upon-Tweed on 19 August 1639.
Baron married once, to Jean née Gibson, a girl from Strathisla in Aberdeenshire. They had four children.
Baron left a great number of published and unpublished works.
Following the Restoration, the crown paid his family £200 in reward for his loyalty to King Charles I.