Professor Wyeth is a Barrister called to the Bar of England and Wales in 1983 and a Bencher of the Inner Temple. He was appointed Queen's Counsel in 2009, and practices from Wyeth Thomas Chambers in Waltham Abbey, near London. His practice is predominantly in criminal law, commercial law, and intellectual property law. 

He has served as Visiting Professor of Law at the University of Iowa and on the faculty of the London Law Consortium study abroad program, and is an accredited lecturer with the American Bar Association, the Bar Council and the Law Society.

For Professor Wyeth's full bio visit Wyeth Thomas Chambers.