Partner at Frontline Ventures
View Live Interactive Profile →Brennan O'Donnell is listed as Partner, Palo Alto on the Frontline Ventures team page as of 8 September 2026. Frontline is an early-stage B2B venture firm operating from Dublin and London and running two fund families, Frontline Seed and Frontline Growth. No further biographical detail for this person was verified within this research pass, so education, prior employers and board seats are left empty rather than inferred.