Investor profile
Ralph Christoffersen
Private equity, Venture capital & Partner & Life Science Team Leader at Morgenthaler, Special Partner at Lightstone Ventures
Ralph Christoffersen is a Special Partner at Lightstone Ventures, whose known portfolio counts 10 companies.
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Investment focus
- Sector
- HardwareHealthcareSaaS
Contacts
Affiliated funds' portfolios
Partner & Life Science Team Leader at Morgenthaler, whose known portfolio counts 6 companies
- SetPoint Medical
- Moximed
- NuoDB
- Nuvaira
- Relievant Medsystems
- NexTag
Special Partner at Lightstone Ventures, whose known portfolio counts 10 companies
- Allay Therapeutics
- Reprieve Cardiovascular
- Atsena Therapeutics
- Crystalys Therapeutics
- ProVerum Medical
- FIRE1
- Psivant Therapeutics
- Alchemab Therapeutics
- Apreo Health
- Trotana Therapeutics
Investor Profile
The listing covers sectors Hardware, Healthcare and SaaS, and focus areas Biotech, Cloud Infrastructure, Cybersecurity and Data. Startups operating in these areas may find Ralph Christoffersen relevant.
Stage-wise, the deals at Lightstone Ventures cluster around Growth, Seed and Series A rounds.
The firm portfolio and the focus above give founders context on whether Ralph Christoffersen matches their raise.
Colleagues
Bob Pavey
Partner
Cleveland, United States
Jason Lettmann
General Partner
Boulder, United States
Mike Carusi
General Partner
Palo Alto, United States
Gary J. Morgenthaler
Partner
Menlo Park, United States
Nassim Usman
Entrepreneur in Residence & Venture Partner
Palo Alto, United States
Hanson Gifford
Partner
Redwood City, United States
Gary Little
Partner
Atherton, United States
Robert Bellas
General Partner
Kailua, United States
Spencer Timm
Partner
West Chesterfield, United States
Christina K Isacson
Investor
Boston, United States
Hank Plain
Partner
Menlo Park, United States
David Morgenthaler
Founding Partner
Cleveland, United States
Paul Brentlinger
Partner
Cleveland, United States
Farrar Daniel
General Partner
Massachusetts, United States
Frequently asked questions
Who is Ralph Christoffersen?
Ralph Christoffersen is a private equity investor and venture capital investor based in Boulder, Colorado, United States, listed as Special Partner at Lightstone Ventures. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Ralph Christoffersen personally.
What does Ralph Christoffersen invest in?
Listed sectors include Hardware, Healthcare and SaaS; listed focus areas include Biotech, Cloud Infrastructure, Cybersecurity and Data. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Ralph Christoffersen invest at?
Lightstone Ventures appears in Growth, Seed and Series A rounds across its known deals, and Ralph Christoffersen is listed there as Special Partner. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Ralph Christoffersen listed at?
Ralph Christoffersen is listed as Special Partner at Lightstone Ventures. 14 other people in the database share a firm with Ralph Christoffersen.
How do I contact Ralph Christoffersen?
An email address, a phone number and a LinkedIn page are on file for Ralph Christoffersen. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal