Autographs of Mike Portnoy

Michael Stephen Portnoy (born April 20, 1967) is an American musician best known as the drummer, backing vocalist, and co-founder of the progressive metal band Dream Theater.
In September 2010, Portnoy announced his departure from Dream Theater after 25 years, with Mike Mangini succeeding him as the band’s drummer. In October 2023, 13 years after his departure, the band announced his return. Both before and during his time away from Dream Theater, Portnoy remained active with a variety of bands and projects, including Adrenaline Mob, Avenged Sevenfold, Transatlantic, Yellow Matter Custard, Flying Colors, the Winery Dogs, Liquid Tension Experiment, Metal Allegiance, Sons of Apollo, the Neal Morse Band, and BPMD.
Portnoy was born on April 20, 1967, in Long Beach, New York. He is Jewish. His father, Howard Portnoy (1940–2009), worked as a DJ at a local radio station. Mike and his father later moved to Carmel-by-the-Sea, California, to work at KRML radio station after watching the 1971 film Play Misty for Me. His mother, Andrea Leone, died on the night of November 16, 1984, aged 40, when the private Piper PA-28 Cherokee plane she was aboard with her boyfriend and two other persons, on a flight from Farmingdale Airport, crashed off the Atlantic City coastline. The plane's pilot was reportedly incapacitated after suffering a heart attack when preparing to land at Atlantic City Airport.
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Traded items with a signature of Mike Portnoy

The most expensive item with a signature of Mike Portnoy (GFA Dream Theater Drummer MIKE PORTNOY Signed 10" Drumhead COA) was sold in February 2026 for £237.09 while the cheapest item (Mike Portnoy Signed Ticket - 1993 Images & Words Tour) found a new owner for £1.04 in December 2024. The month with the most items sold (5) was June 2025 with an average selling price of £102.06 for an autographed item of Mike Portnoy. Sold items reached their highest average selling price in January 2026 with £199.99 and the month that saw the lowest prices with £1.04 was December 2024. In average, an autographed item from Mike Portnoy is worth £52.74.

Most recently, these items with a signature of Mike Portnoy were sold on eBay - click here for more items.

Picture	Item Title	Price	Store
	2-CD Lot Dream Theater Greatest Hit Autographed Signed by Mike Portnoy w/COA	£76.60
	AUTOGRAPHED Neal Morse / Mike Portnoy & others - Cover To Cover (CD, 2006, NM)	£24.76
	Dream Theater When Dream And Day Unite Signed CD Likely Mike Portnoy Ltd 7269	£51.88
	Dream Theater When Dream And Day Unite Signed CD Likely Mike Portnoy Ltd 7269	£49.94
	Dream Theater – Six Degrees Of Inner Turbulence / Japan / Signed Mike Portnoy	£70.35
	Flying Colors Autographed Mike Portnoy	£102.07
	Flying Colors Autographed Mike Portnoy	£100.50
	Mike Portnoy Signed & Used Drum Head 14 Inch	£108.41
	Mike Portnoy SIGNED Dream Theater 40th Used 6" Drum Head Autographed Authentic	£199.99
	Mike Portnoy Tribute CD Lot Zeppelin Rush Who Signed Rare Dream Theater	£54.13
	RARE DREAM THEATER SYSTEMATIC CHAOS CD DVD LIMITED EDITION SIGNED MIKE PORTNOY	£41.78
	RARE DREAM THEATER SYSTEMATIC CHAOS CD DVD LIMITED EDITION SIGNED MIKE PORTNOY	£53.59
	Rising Power - Power For The People CD Autographed By Mike Portnoy Dream Theater	£30.32
	SONS OF APOLLO MIKE PORTNOY SIGNED AND STAGE USED DRUMSTICK	£164.98
	Winery Dogs Mike Portnoy Autographed 2013 Debut Self Titled Album Cd Cover	£43.90