Harco J. Leertouwer

In a world defined by constant change, today’s organisations need leaders who can transform, adapt, and create lasting impact. But finding and developing those leaders isn’t easy-especially when the stakes are high and the challenges are complex. At Calderon Search & Advisory, we help you lead with purpose. Through executive search, advisory, and leadership development, we find and shape leaders who are equipped to navigate uncertainty, champion innovation, and drive meaningful, sustainable change. Our work is grounded in a commitment to transformation and resilience - because the leaders you choose today define your success tomorrow. Let’s shape the future of leadership, together. Partner with us to find the leaders who will help your organisation thrive. Fill out the form on this page to start a conversation! Sustainability recruitment, ESG search Executive search leadership advisory, leadership development, executive recruitment, C-suite recruitment, board search, senior leadership hiring, CEO recruitment, executive talent strategy, succession planning, transformational leadership, purpose-driven leadership, sustainable leadership, principled leadership, future-ready leaders, leadership in complexity, innovation leadership, resilient organisations, organisational transformation, business transformation, change leadership, strategic leadership consulting, talent management consulting, executive coaching, leadership capability building, corporate governance advisory, ESG leadership, ESG strategy, sustainability leadership, climate leadership, climate-conscious executives, sustainability in business, responsible leadership, impact-driven leadership, ethical leadership, long-term value creation, net-zero leadership, climate transition strategy, leadership for sustainable growth, global executive search, international leadership consultants, London executive recruitment, UK executive search.