Dez Fleming is a Principal at FirstMark, focusing on sourcing investments and supporting portfolio companies. He previously worked at Cadre and Deloitte, and graduated from Cornell University.
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Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckDez Fleming is a Principal at FirstMark, focusing on sourcing investments and supporting portfolio companies. He previously worked at Cadre and Deloitte, and graduated from Cornell University.
Dez Fleming invests through FirstMark, which writes checks of $1M to $30M at pre-seed, seed, series a.
Email [email protected], the firm's inbox for founders, and name Dez in the subject. A warm intro from a founder FirstMark backed works better.
M&A strategy practice at Deloitte; Commercial Strategy Manager at Cadre.
Last updated 2026-10-15. Is this you? Ask for a correction.