Senior Lead - Office of the Co-CEO

Provides dedicated executive support to the Co-CEO at On, acting as a navigator, organisational engine and culture carrier. It sits at the centre of the company's commercial and strategic evolution and works closely with the Co-CEO and broader executive teams. The post is intended to maximise the Co-CEO's impact and maintain organisational momentum by optimising their rhythm, communications and operational follow-through across the business.

• Optimise the Co-CEO's daily rhythm to ensure they are positioned in the right meetings, fully briefed and focused on top-tier strategic and operational priorities.
• Draft highly polished personal emails, organisational communications and key presentation materials, capturing and projecting the Co-CEO's voice with precision and warmth.
• Attend critical meetings alongside the Co-CEO to capture decisions, drive post-meeting action items to completion across the business and represent the Co-CEO's priorities when they are unable to attend.
• Work in lockstep with the Director, Office of the Co-CEOs, who leads the Co-CEO's strategic agenda.
• Collaborate closely with the broader executive team to streamline organisational complexity, resolve operational bottlenecks and align workflows.
• Act as a key culture carrier across the organisation, sensing the pulse of the global headquarters and proactively bringing relevant insights and feedback to the Co-CEO's attention.
• Collaborate with broader executive support and leadership enablement teams to streamline organisational complexity, resolve operational bottlenecks and align weekly workflows.

• 6+ years of professional experience, combining rigorous analytical training and a transition into high-growth client-side operational roles.
• Exceptional business intelligence, structured problem-solving capabilities and analytical depth to navigate complex global agendas.
• Outstanding written and verbal communication skills in English, with a proven ability to capture a specific executive voice and draft highly precise, warm and professional copy.
• Meticulous attention to detail, flawless project management skills and the agility to thrive and maintain structure in a fast-paced, rapidly shifting environment.
• Deep professional maturity, absolute discretion and the ability to influence, align and build trust-based relationships across all levels of the organisation, acting as a genuine culture bearer.
• High personal energy, proactive motivation and enthusiasm for the role, with a strong focus on enabling leadership and driving organisational unity.
• Fluency in English.

• Analytical training ideally started in a top-tier management consultancy, corporate strategy or structured project management environment.
• Professional-grade proficiency in German or Swiss German is highly valued.

• Unparalleled exposure to global executive leadership.