Virtual Assistant to Founder (Part-Time, Remote)

We are seeking a Virtual Assistant to the Founder to ensure seamless execution across all operational, financial, and administrative aspects of a fast-paced, international longevity startup.This role is ideal for someone who thrives on structure, precision, and proactive support - ensuring that the founder can operate at maximum efficiency across multiple time zones, projects, and stakeholders.The ideal candidate is a doer, not a strategist: a dependable professional who keeps the moving parts of a complex organization running smoothly, with exceptional attention to detail and follow-through.Key ResponsibilitiesFounder Support: Manage the founder’s daily priorities, schedule, and communications to ensure smooth coordination across projects and departments.Documentation & Contracts: Track and organize agreements, contracts, and legal documentation in collaboration with finance and legal partners.Finance & Compliance: Liaise with accountants, tax advisors, and payroll providers across multiple jurisdictions (US, Croatia, EU); maintain orderly financial and compliance records.Process Management: Support the creation and maintenance of internal systems for expenses, reimbursements, vendor management, and reporting.Communication & Coordination: Act as a bridge between internal and external stakeholders, ensuring clear and timely information flow.Logistics & Events: Handle travel bookings, meeting coordination, and event logistics as needed.Operational Optimization: Anticipate needs, identify bottlenecks, and continuously improve workflows for greater clarity and speed in execution.Profile6+ years of experience in executive assistance, operations, or finance administration, preferably in startups, healthcare, or international organizations.Strong understanding of contracts, bookkeeping basics, and compliance processes.Experience working with multi-jurisdiction entities (US, EU, Croatia).Highly organized, reliable, and detail-oriented, with the ability to manage multiple priorities calmly under pressure.Excellent communication and coordination skills; professional and adaptable.Proactive and execution-focused - someone who solves problems quickly and ensures nothing falls through the cracks.Comfortable working directly with the founder in a dynamic, evolving environment.Work ConditionsPart-time: ~3 hours per daySchedule: Primarily afternoon/evening hours (US Pacific time overlap)Weekend availability may be requiredPartially remote – office presence may be requested occasionallyAbout Ani BiomeAni Biome is a science-driven longevity company pioneering the field of Affectoneuroimmunology (ANI). Through clinical studies, digital diagnostics, and multi-omics data, Ani Biome is building the largest real-world longevity dataset to accelerate personalized health interventions.Operating across the US and Europe, Ani combines advanced science with an agile startup mindset to redefine how health and aging are measured and optimized.