John Fichthorn

John Fichthorn

Director/Board Member at QUANTUM CORPORATION

Net worth: 1 M $ as of 2026-05-30

53 year
Finance
Electronic Technology
Technology Services

Profile

John Aaron Fichthorn is the founder of Dialectic Capital Management LP, founded in 2003.
Mr. Fichthorn is the founder of MedTex Ventures LLC, founded in 2003, and holds the title of Managing Partner.
Current jobs include Director at Lyman Products Corp., Director at Eastonville Investments Ltd. since 2015, Director at Connec-To-Talk LLC, Director at Hello Pediatrics LLC since 2023, and Director at Quantum Corp.
starting in 2025.
Former jobs include Director at California Micro Devices Corp.
from 2009 to 2010, Lead Independent Director at Quantum Corp.
from 2019 to 2021, Independent Director at The Arena Group Holdings, Inc. in 2018, Managing Director at Maverick Capital Ltd. from 2000 to 2003, Independent Director at Immersion Corp.
from 2011 to 2014, Director at Blue Lantern Health, LLC from 2017 to 2020, Director at True Tickets, Inc., Analyst & Member at Alliance Capital Corp.
from 1999 to 2000, Head-Alternative Investments at B. Riley Capital Management LLC from 2017 to 2020, Analyst at Quilcap Corp.
from 1997 to 1999, and Partner at B. Riley.
Financial, Inc. Education includes undergraduate studies at Deerfield Academy and undergraduate degree conferred in 1995 from The University of North Carolina at Chapel Hill.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
0.29%
2025-12-30 153,983 ( 0.29% ) 922 358 $ 2026-05-30
2026-05-31 28,896 ( 0.2% ) 280 580 $ 2026-05-30

John Fichthorn active positions

CompaniesPositionStart
QUANTUM CORPORATION Director/Board Member 2025-04-02
Director/Board Member -
Director/Board Member 2023-07-10
Founder 2020-09-30
Director/Board Member -
Director/Board Member 2015-07-21

Former positions of John Fichthorn

CompaniesPositionEnd
THE ARENA GROUP HOLDINGS, INC. Chairman 2021-10-06
QUANTUM CORPORATION Director/Board Member 2021-09-20
BENEFYTT TECHNOLOGIES, INC. Director/Board Member 2020-07-31
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