John Murphy is a co-founder and partner at Hyperplane, an early-stage venture capital firm. He began his career in public accounting at Grant Thornton before joining PJC in 2011, and has since backed founders from early to growth stages.
What John can write
Hyperplane writes $250K to $3M checks, larger than 33% of firms in the atlas.
Bars: how many firms report each check band. Highlighted: Hyperplane.Career
- Grant Thornton · public accounting
- PJC2011
- Hyperplane · Co-Founder & PartnerNow
- Grant Thornton
- PJC2011-null
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At firms with a similar stage, sector and check size.
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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.
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Who is John Murphy?
John Murphy is a co-founder and partner at Hyperplane, an early-stage venture capital firm. He began his career in public accounting at Grant Thornton before joining PJC in 2011, and has since backed founders from early to growth stages.
How much does John Murphy invest?
John Murphy invests through Hyperplane, which writes checks of $250K to $3M at pre-seed, seed, series a.
How do I pitch John Murphy?
A warm intro from a founder Hyperplane backed works best. A short LinkedIn note with one line on traction is the next best route.
What did John Murphy do before Hyperplane?
public accounting at Grant Thornton; PJC; Grant Thornton; PJC.
Last updated 2026-10-15. Is this you? Ask for a correction.