Daniel Janney – Startup Investor Profile

Daniel Janney, Managing Partner at Alta Partners, focuses on early-stage investments in life sciences. His investment focus areas include novel insights in biology and new approaches to drug discovery. He has been directly involved in the funding and development of 35 companies. Daniel’s investments cover a range of public and private companies, and he has led investments in various pharmaceuticals and biotechnologies. He has a strong interest in working with talented entrepreneurs and is actively involved in the board of directors of several companies. Daniel’s geographical preferences are not specified, and he primarily focuses on early-stage investments.

Location: San Francisco, CA

Country: United States of America

Investment Regions: EU, NA

Investment Stages: pre-seed, seed

Website:

AI Reasoning: Found evidence Daniel (Dan) Janney is active as Managing Partner at Alta Partners and holds board seat at Allakos. SEC DEF 14A and proxy filings from 2024-2025 list him as director and indicate recent company activity; Progentos page lists board roles. Allakos had SEC filings and corporate actions within the last 6 months referenced in 2025 proxy (March 2025). The most recent confirmed investment-related activity tied to Janney is involvement with Allakos (NASDAQ: ALLK) with filings in 2025, which is less than 6 months prior to the calculation reference date, so tag as very-active.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.