

Valentine Chapallaz
Chief of Staff
About
Valentine Chapallaz
Valentine Chapallaz is a strategic operations and project portfolio leader with more than 15 years of international experience supporting executive leadership, driving organizational effectiveness, and enabling strategic transformation across global organizations. Recognized for her ability to bridge strategy and execution, she has built her career partnering with senior leaders, facilitating decision-making, and aligning cross-functional teams around shared objectives. For more than seven years, Valentine has partnered with senior leaders within a global healthcare organization, supporting strategic portfolios, executive governance, and cross-functional initiatives across Medical Affairs and Research & Development. Her expertise spans executive leadership support, strategic planning, governance, operational excellence, change management, and portfolio management. She facilitates leadership forums and steering committees, delivers executive reporting and portfolio insights, and drives organizational alignment across international teams operating in highly regulated environments. Working with stakeholders across Europe, North America, and Asia, she has successfully coordinated international portfolios, developed governance frameworks, and supported executive decision- making processes that enhance visibility, accountability, and organizational performance. Recognized for her ability to bring structure to complexity and foster alignment among diverse stakeholders, she ensures that strategic priorities are translated into effective execution and measurable outcomes.
Prior to her current role, Valentine held executive support and leadership positions within multinational corporations and educational institutions, working closely with C-suite executives and senior leadership teams. These experiences provided a strong foundation in executive operations, stakeholder engagement, organizational development, and change leadership, while earning her a reputation for discretion, collaboration, and sound judgment. A bilingual English and French speaker with professional proficiency in German, Valentine combines a global mindset with a collaborative and inclusive leadership style. She holds qualifications in Human Resources, Business, and Marketing and has further strengthened her executive capabilities through advanced professional development programs, including Executive Presence & Influence from The Wharton School.
Driven by purpose and impact, Valentine is passionate about helping organizations translate ambitious visions into sustainable results. She is particularly inspired by initiatives that expand access to education, foster inclusiveness, and create opportunities for individuals and communities to thrive regardless of geographical, social, or economic barriers. Through strategic leadership, operational excellence, and a deep commitment to collaboration, she strives to support organizations whose missions create meaningful and lasting positive change on a global scale.
