Senior Lead, Office of the Co-CEO

About the role

On is the fastest-growing sportswear brand in the world, with its team and business expanding rapidly on a global scale. This role sits at the heart of the company's commercial and strategic evolution, supporting the Co-CEO as their dedicated right hand. It offers direct exposure to global executive leadership and focuses on keeping the Co-CEO well positioned, informed and aligned with top priorities.

Key responsibilities

• Optimize the Co-CEO's daily rhythm so they are in the right meetings, fully briefed and focused on strategic and operational priorities.
• Draft personal emails, organizational communications and key presentation materials, capturing the executive voice precisely and warmly.
• Attend critical meetings with the Co-CEO, capture decisions and drive follow-up actions to completion across the business.
• Represent the Co-CEO's priorities when they cannot attend.
• Work closely with the Director of the Office of the Co-CEOs, who leads the Co-CEO's strategic agenda.
• Collaborate with the broader executive team and leadership enablement teams to streamline complexity, resolve bottlenecks and align workflows.
• Act as a culture carrier, sensing the pulse of the global headquarters and bringing relevant insights and feedback to the Co-CEO.

Required profile

• 6+ years of professional experience, ideally starting in a top-tier management consultancy, corporate strategy or structured project management role, then moving into high-growth client-side operations.
• Exceptional business intelligence, structured problem-solving and analytical depth for complex global agendas.
• Outstanding written and verbal communication in English, with a proven ability to capture a specific executive voice.
• Meticulous attention to detail, flawless project management and agility in a fast-paced environment.
• Professional maturity, discretion and the ability to build trust-based relationships across all levels.
• Fluency in English is mandatory; professional-grade German or Swiss German is highly valued.