Long Island native Mike Portnoy is best known as the former drummer for progressive metal group Dream Theater.
Born in 1967, he began playing drums in his teens for various small bands, including the group Inner Sanctum, which released one album. He attended Berklee Music College and became a founding member of Dream Theater, but announced he was parting ways with the band in 2010. He has also been a member of the part-time prog supergroups Liquid Tension Experiment and TransAtlantic. ~ Gary Hill, Rovi