Fundraising FoxHSI Phaidra
Venture capitalActively deployingLos Angeles · 2 people tracked
Find your way into HSI Phaidra
Sign up to see every warm intro you have to HSI Phaidra
- Paths you didn't know you had: your email and LinkedIn already hold routes to the HSI Phaidra team. We find them for you
- 2nd- and 3rd-degree connections: the friend-of-a-friend routes that take hours to manually find through your inbox or LinkedIn
- Answers now, not in days: momentum is everything in a raise. Skip asking around whether someone knows someone
Days of research, done the moment you sign in, with every route ranked by how warm it is.
Fund manager profile
HSI Phaidra is a venture fund manager based in Los Angeles. SEC filings show 3 venture funds on record, most recently HSI Phaidra III LLC ($13.8M offering) filed December 2025.
Source: SEC EDGAR Form D filings. Firm website data not yet available.
Team · 2 people
from public directories
Henry Elkus is the Founder and CEO of Helena, a global problem-solving organization made up of a non-profit foundation and a for-profit investment firm managing over $500m in assets. He left Yale during his second year to lead Helena full time. Outside of Helena, he sits on the board of International Bridges to Justice, advises the Berggruen Institute, and previously served as Social Entrepreneur in Residence at Boston Consulting Group.
Frequently asked questions
- Where is HSI Phaidra located?
- HSI Phaidra is headquartered in Los Angeles, US.