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Senior People Partner

Synthesia - London, United Kingdom - In-office - posted 2026-10-21

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Synthesia is the world's leading AI video platform for business, used by over 90% of the Fortune 100. Following a Series E funding round of $200 million, the company is valued at $4 billion with total funding exceeding $530 million from premier investors including Accel, NVentures (Nvidia's VC arm), Kleiner Perkins, GV, and Evantic Capital. You will join as Senior People Partner, reporting to the HR Director. This is a strategic and hands-on role working closely with senior leaders across the organization to shape People strategy and execution as the company scales. Key responsibilities include: - Partner with leaders on organizational design, role clarity, and structuring for growth and impact - Use data and insights (attrition, engagement, performance, talent distribution) to assess organizational health and set priorities - Advise and coach managers and leaders through complex people challenges, raising the bar on performance, feedback, accountability, and talent development - Support talent management practices including succession planning, performance calibration, and development of critical talent - Own execution of key people initiatives from strategy through design and delivery - Handle complex performance, employee relations, and organizational issues with sound judgment and pragmatism - Partner with specialist teams (Talent, People Ops, Total Rewards) and leverage AI and automation to simplify people practices and improve decision-making You will be a strategic advisor and hands-on executor, building high-performing teams, spotting emerging risks and opportunities early, and delivering meaningful outcomes. Requirements: - Significant experience as a People Partner, HR Business Partner, or similar strategic HR role - First-hand experience of organizations scaling, with understanding of what needs to evolve at different growth stages - Track record of advising senior leaders on organizational design, talent, performance, and leadership decisions - Strong organizational diagnostic skills, with ability to connect people data, business performance, and leadership behavior to find root causes - Commercial acumen and understanding of how organizational decisions influence productivity and business outcomes - Experience handling complex performance and employee relations matters, balancing business needs, employee experience, and risk - Excellent relationship-building and influencing skills, with confidence to challenge senior stakeholders while maintaining trust - Strong written and spoken communication in English Preferred qualifications: - Experience in high-growth technology, SaaS, or AI businesses - Curiosity about how AI and technology can improve People teams and business operations - Comfort building and executing plans independently as well as advising on strategy

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