Brennan O'Donnell
Partner at Frontline Ventures
Palo Alto, California
Brennan O'Donnell, Partner at Frontline Ventures is an active investor based in Palo Alto, California. This profile covers what Brennan O'Donnell backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPE
- Stages
- Early Stage VentureSeries B
- Invests in
- SaaS & EnterpriseArtificial IntelligenceHR & Future of Work
- Location
- Palo Alto, California
- Typical check
- $1.8M
- Past investments
- 5
Notable investments
AtriumWorkFlowy
Forethought
Mode
AirtableHow to reach Brennan O'Donnell
Angels and operators like Brennan O'Donnell reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Brennan O'Donnell
Frequently Asked Questions
What does Brennan O'Donnell invest in?
Brennan O'Donnell invests in SaaS & Enterprise, Artificial Intelligence and HR & Future of Work, typically at Early Stage Venture and Series B. Match your sector and stage, then reach out with a personalized pitch.
What stage does Brennan O'Donnell invest at?
Brennan O'Donnell typically invests at Early Stage Venture and Series B. Lead with traction that fits the stage when you reach out.
What is Brennan O'Donnell's typical check size?
Brennan O'Donnell typically writes checks around $1.8M. Use it as a signal for whether your raise fits their stage.
How do I contact Brennan O'Donnell?
Unlock Brennan O'Donnell's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.