He was admitted a licentiate of the Royal College of Physicians on 4 July 1589, being described as ‘vir doctus et practicator bonus.'
On the death of Leicester he entered the service of the Earl of Essex, and, by Elizabeth's command, attended him in the wars of France and the expedition to Cadiz.
He subsequently accompanied, in the same capacity of physician, the Earl of Hertford, the English ambassador to the Archduke of Austria.
Otthen married Dorothy, a daughter of Roger Drew of Densworth in Sussex, esquire.
After his death she married Sir Stephen Thomhurst of Kent, and died on 12 June 1620, aged 55.