Alexander Hall-Daniels joined SOSV in 2018 at RebelBio and is now Principal at SOSV NY. He previously worked at Edelman London and a boutique consultancy startup in Philadelphia.








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



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

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 deckAlexander Hall-Daniels joined SOSV in 2018 at RebelBio and is now Principal at SOSV NY. He previously worked at Edelman London and a boutique consultancy startup in Philadelphia.
Alexander Hall-Daniels invests through SOSV, which writes checks of $500K to $1M at pre-seed.
A warm intro from a founder SOSV backed works best.
boutique business consultancy startup; account executive at Edelman London.
Last updated 2026-10-15. Is this you? Ask for a correction.