The Dublin teacher - who used a megaphone to disrupt the Education Minister's address at the ASTI conference - says he has no regrets.
The incident happened during Ruairi Quinn's speech in Wexford yesterday.
The ASTI General Secretary Pat King is condemning the heckling, jeering and laughing by some delegates during the address.
Andrew Phelan - a teacher in Lucan - is standing by his decision:
