Who we are?

As the global pioneer for digital twins of urban forests, greehill provides highly detailed digital copies of each individual tree in a city and thereby supports the digital transformation of smart cities world-wide. Combining the latest laser scanning technology with the most advanced AI & machine learning methods, greehill enables cities to be radically more productive in their daily operations and to improve the well-being of citizens through a greener, healthier, and more resilient urban environment. We currently operate offices in Budapest, Hannover, Singapore, San Francisco, and Paris.

Overview

We're looking for an experienced Head of People to build and lead the people function at greehill, an international technology company transforming how cities manage their urban forests.

This is a business leadership role. You'll partner with the CEO and leadership team to turn business strategy into an organization capable of delivering it, through the right talent, effective structures, clear goals, strong leadership, and scalable people practices.

We're looking for someone who has scaled international tech companies before, combines strategic thinking with hands-on execution, and understands that great people practices and strong business performance go hand in hand.

What You'll Own

Organizational Effectiveness

• Translate business strategy into organizational priorities, capabilities, and workforce plans.

• Drive organizational design, role clarity, accountability, and operating effectiveness.

• Lead the company-wide OKR framework, ensuring strategic priorities translate into measurable goals, clear ownership, and consistent execution.

• Partner with leadership on organizational change and business-critical people decisions.

Talent & Performance

• Build a talent strategy that ensures the right people are hired, developed, and retained.

• Strengthen recruitment quality, performance management, and succession planning.

• Coach leaders to build high-performing teams and address performance challenges.

• Foster a culture of ownership, feedback, accountability, and engagement.

HR Leadership & Operations

• Build a scalable, efficient HR function supporting an international organization.

• Own compensation, employee relations, HR policies, systems, and compliance.

• Establish reliable people data, reporting, and processes to support decision-making.

• Lead HR operations and external partners, ensuring consistent execution across locations.

What You'll Bring

• 8+ years of progressive HR experience, including senior leadership in international technology companies.

• Proven track record of scaling organizations and building or transforming HR functions.

• Strong business acumen and the ability to connect people decisions to business outcomes.

• Experience driving organizational effectiveness, performance management, and OKR frameworks.

• Excellent judgment, influencing skills, and confidence partnering with and challenging senior leadership.

• Ability to balance strategic leadership with hands-on execution in a fast-changing environment.

• Experience working across multiple countries, including knowledge of Hungarian employment practices.

• Fluency in English and Hungarian.

What Success Looks Like

• Business strategy is translated into clear organizational priorities and measurable OKRs.

• The organization has the right talent, structure, and leadership capabilities to deliver.

• Performance expectations and accountability are clear across teams.

• HR operations are reliable, scalable, and support the business rather than slow it down.

• The CEO and leadership team have a trusted strategic partner for people and organizational decisions.