Sean Larkin KC prosecuted Matteo Bottarelli who was charged with attempted murder.
Bottarelli has been convicted of 2 counts of attempted murder and one of GBH on 3 co-workers.
A maintenance worker at a Middlesex Hospital, Bottarelli, carried out a spree of unprovoked attacks on his colleagues.
Sentencing has been adjourned until April 2024.
Sean Larkin KC led Thom Dyke.