Compensation: Executive-level salary + meaningful equity participationWe are partnering with an ambitious, science-driven biotech based in Barcelona to appoint a Chief Scientific Officer who will define, lead, and own the company’s scientific strategy from discovery through early clinical development. This is a pivotal executive role for a senior scientific leader who combines deep technical credibility with strategic foresight and decisive leadership.As CSO, you will be entrusted with shaping the long‑term scientific vision, translating cutting‑edge research into robust development programmes, and building a high‑performing scientific organisation capable of delivering value at pace.Key ResponsibilitiesSet and own the scientific vision and R&D; strategy, aligned with corporate and investor objectivesLead discovery, preclinical, and translational activities, ensuring scientific excellence and disciplined executionAct as the scientific authority internally and externally, representing the company to investors, partners, and key opinion leadersBuild, mentor,



and scale a world‑class scientific team, fostering a culture of accountability, innovation, and rigorDrive decision-making across pipeline prioritisation, resource allocation, and risk managementOversee scientific governance, data integrity, and readiness for regulatory interactionsPartner closely with the CEO and Board to support fundraising, partnering, and long‑term growth strategyCandidate ProfilePhD or MD/PhD in a relevant scientific disciplineProven leadership experience at executive or senior R&D; leadership level within biotech or pharmaStrong track record of advancing programmes from discovery through IND‑enabling / early clinical stagesDemonstrated ability to operate in fast‑paced, capital‑efficient environmentsStrategic thinker with the confidence to make high‑impact scientific and organisational decisionsExcellent communicator, capable of influencing at Board and investor levelWhy JoinOpportunity to shap

📌 Chief Scientific Officer (Madrid)
🏢 S3 Science Recruitment
📍 Madrid