Grant Gregory

Partner atCantosCalifornia

Grant Gregory is a Partner at Cantos. He previously worked at a16z, MetLife, and as a Susa Fellow.

What Grant can write

Writes checks of$500K to $1M
Comes in atPre-seedCan lead the round
Ownership target5-7%, 7-10%At first check
Best routeA warm introAsk a founder in their portfolio.

Cantos writes $500K to $1M checks, larger than 71% of firms in the atlas.

Bars: how many firms report each check band. Highlighted: Cantos.

Career

  1. MetLife
  2. Susa · Fellow
  3. a16z · founding Partner
  4. Cantos · Partner
    Now

Investments named in public bios

CastelionSalient Motion

Focus

physical worldenergydefenseaerospaceadvanced manufacturing

Before you pitch

Cantos does not invest inSoftware - We exclusively invest in cutting edge IRL technology companies that have a chance at global scale mitigation of climate change, disease, armed conflict, or poverty.

Also at Cantos

Partners like Grant

At firms with a similar stage, sector and check size.

Alert me when Cantos is active

One email when Grant's firm raises a fund, adds a partner or shows new activity.

Founders and investors at a Mode VC gathering

Send Mode VC your deck

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 deck

Questions

Who is Grant Gregory?

Grant Gregory is a Partner at Cantos. He previously worked at a16z, MetLife, and as a Susa Fellow.

How much does Grant Gregory invest?

Grant Gregory invests through Cantos, which writes checks of $500K to $1M at pre-seed.

How do I pitch Grant Gregory?

A warm intro from a founder Cantos backed works best.

What did Grant Gregory do before Cantos?

MetLife; Fellow at Susa; founding Partner at a16z.

Last updated 2026-10-15. Is this you? Ask for a correction.