Dan Janney
InvestorManaging Partner at Alta Partners · Board director at Progentos Therapeutics · Board director at Krystalbio · Board director at Prolacta
San Francisco, California
Writes $100K – $5M checks · typically $1.5M
About
Dan Janney is Managing Partner of Alta Partners, which he joined at its founding in 1996. He has over 25 years of early-stage life sciences investing experience, focused on building companies around new biology insights and drug discovery approaches, and has helped fund and develop more than 45 companies. Before Alta, he was a senior investment banker at Montgomery Securities, and he holds a B.A. from Georgetown University and an MBA from UCLA's Anderson School.
Contact· self-published, not guessed
Invests in
Biotech
Board director at Progentos Therapeutics
Intro paths
In turn, Dan can intro founders to Progentos Therapeutics's investors below.
Board director at Krystalbio
Intro paths
In turn, Dan can intro founders to Krystalbio's investors below.
Krystalbio's investors · 3
Co-founders at Krystalbio




Board director at Prolacta
Intro paths
In turn, Dan can intro founders to Prolacta's investors below.
Deals · 6
Allakos IncBoard seat
via Alta Partners · filed Dec 2017 · $100.1M raise
KrystalbioBoard seat
via Alta Partners · filed Aug 2017 · $11.3M raise
ProlactaBoard seat
via Alta Partners · filed Dec 2016 · $35M raise
Esperion TherapeuticsLed round
via Alta Partners · filed Jun 2014
CoTherixLed round
via Alta Partners
ILEX OncologyLed round
via Alta Partners
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Led
Astex PharmaceuticalsCellectiveChemGenexDefinity HealthDynavaxEndoneticsInterMuneLJL BiosystemsMako SurgicalProlacta BioscienceTriangle Pharmaceuticals
Board seats
BE BiopharmaDEM BioPharmaEdgewood Oncology, Inc.Krystal BiotechLassen TherapeuticsProgentos Therapeutics
Sources: the firm's website · SEC Form D filings.
Colleagues at Alta Partners
Network4
Investors connected to Dan in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Dan Janney?
- Dan Janney is Managing Partner of Alta Partners, which he joined at its founding in 1996. He has over 25 years of early-stage life sciences investing experience, focused on building companies around new biology insights and drug discovery approaches, and has helped fund and develop more than 45 companies. Before Alta, he was a senior investment banker at Montgomery Securities, and he holds a B.A. from Georgetown University and an MBA from UCLA's Anderson School.
- Where does Dan Janney work?
- Dan Janney is Managing Partner at Alta Partners and Board director at Progentos Therapeutics and Board director at Krystalbio and Board director at Prolacta.
- What does Dan Janney invest in?
- Dan Janney invests in Biotech.
- What check size does Dan Janney write?
- Dan Janney typically writes checks of $100K – $5M.
- What boards does Dan Janney sit on?
- Dan Janney holds tracked board seats at Allakos Inc, BE Biopharma, DEM BioPharma, Edgewood Oncology, Inc., Krystal Biotech, Krystalbio, Lassen Therapeutics, Progentos Therapeutics, Prolacta.
- What companies has Dan Janney invested in?
- Investments tracked here include Allakos Inc, Astex Pharmaceuticals, Cellective, ChemGenex, CoTherix, Definity Health, Dynavax, Endonetics, Esperion Therapeutics, ILEX Oncology, InterMune, LJL Biosystems, and 3 more.
- Does Dan Janney lead rounds?
- Yes — Dan Janney has led 15 tracked investments.



