How to Build an International Career:Lessons from a Global Leader
In today’s interconnected global economy, learning how to build an international career is no longer just a personal ambition ,itis a strategic differentiatorfor professionals and a competitive advantage forthe organizations that develop them. As markets, cultures, and leadership expectations continue to evolve,the ability to operate across borders, adaptto change, and lead with cultural intelligence is becoming one ofthe most valuable capabilities in modern business.
Understanding whatittruly takes to build a sustainable international career the mindset, the sacrifices, and the leadership required to succeed is essentialfor any professional considering a path beyond their home market.
To explore this, Katerina Meimaroglou, President ofthe Kestria ExecutiveBoard, spoke with Nikolaos Xydias, Vice President & Head of Global Established Pharma for GSK, aboutthe journey, challenges, and lessons that shaped his path from local execution to global leadership.
What Does It Take to Build an International Career?
The Global Career Landscape: From Local Execution to Global Strategy
Moving from a local role to international leadership is rarely a single leap. Itis a progressive process, built through diverse experience across functions, countries, and leadership environments, shaped by:
- Deep, hands-on experience across multiple functions and markets
- Exposure to a variety ofleadership styles and business environments
- A willingness to build genuine depth of expertise ratherthan move quickly through roles
- Intentional planning, ambition, and a readiness to make difficult trade-offs
As Nikolaos reflects, his own path from financial analysis and forecasting into commercial and general management roles across markets was never about speed. It was about mastering each stage before moving to the next, and using every role as a foundation for the next level of responsibility.
Navigating a Complex, Personal Global CareerJourney
An international career is shaped by far more than professional strategy. It is a deeply personal journey, influenced by family circumstances, cultural adjustment, and the willingness to step outside familiar routines.
For Nikolaos, the turning point came early: his first international assignment as Head of Finance for Serbia, taken shortly after the birth of his first daughter, while commuting weekly between Greece and Belgrade. Leading a team in a new cultural environment, sitting on a market leadership team, and managing demanding operational challenges became one of the most formative experiences of his career reinforcing that uncertainty and adversity are often the greatest catalysts for growth.
For professionals considering a similar path, appreciating this broader personal context — not just the professional opportunity is essential before stepping into an international role.
What Builds a Successful International Career?
Not every international move leads to lasting career growth, and experienced global leaders know it. Sustainable success is built on substance and resilience, not visibility alone. Key differentiators include:
Depth of Expertise : Real career capital comes from mastering a function or market before moving on. Professionals who build genuine knowledge, rather than accumulating titles quickly, are better prepared for the complexity of global roles.
Cultural Adaptability : Leading across cultures requires curiosity and a genuine willingness to embrace unfamiliar environments, rather than replicating a single leadership style everywhere.
Family Alignment : International careers are rarely individual decisions. They require alignment with a partner and family on the sacrifices, relocations, and commitments involved, a factor too often underestimated.
Resilience Through Adversity :Navigating financial crises, operational disruptions, a global pandemic, or regional conflict as Nikolaos did across his career builds the judgment and perspective that define effective global leaders.
Strong international leaders treat these experiences as long-term investments in capability, not simply steps on a career ladder.
The Personal Cost of Global Mobility
Building an international career comes with real, often uneven,trade-offs across life stages and family circumstances:
- Relocating repeatedly across countries and leaving behind established routines
- Balancing demanding professional responsibilities with presence at home
- Significant sacrifices made by spouses and families, often the true foundation of long-term success
- The risk of professional success losing its value ifit comes atthe expense of personal well-being
Advancing an International Career Without Losing Balance
Building a global career while protecting personal well-being requires deliberate choices around pace,timing, and family engagement. A sustainable approach typically involves:
- Pursuing international opportunities with intention ratherthan urgency
- Seeking experiences that stretch capability and build resilience, rather than simply adding scope
- Staying engaged and present at home despite the demands of a global role
- Aligning career decisions with long-term family priorities, not just short-term opportunity
For professionals making this shift, learning from leaders who have balanced global ambition with personal responsibility offers a more realistic path than pursuing growth for its own sake.
How to Position Yourself forInternational Career Opportunities
Building toward an international career requires careful, long-term positioning. Professionals should focus on:
Substantive Development : Prioritizing how you lead, how you think, and what you know over personal branding or organizational visibility, which should complement — not replace — real capability.
Progressive Experience : Seeking out functions, markets, and leadership environments that broaden perspective, rather than rushing through roles.
Family and Personal Readiness : Evaluating international opportunities honestly with a partner orfamily, recognizing the sacrifices involved before committing.
Continuous Reflection : Regularly evaluating decisions and learning from experience, rather than treating career growth as a fixed plan.
Why Global Leaders Emphasize Reflection and Balance
Across international business, experienced leaders consistently arrive atthe same conclusion: no single skill, opportunity, or personal ambition can sustain a global career on its own.
Professional capability,family alignment, cultural adaptability, and resilience through adversity each play a role. As Nikolaos reflects, some ofthe most demanding moments of his career, a financial crisis, an acquisition, a pandemic, a regional conflict became the experiences that most shaped his leadership approach. Looking back, he acknowledges that being more open to international opportunities earlier, and more mindful ofthe impact of career decisions on family, would have accelerated and enriched the journey further.
Building a sustainable international career, ultimately, comes down to intentionality at every stage professional and personal alike.
Frequently Asked Questions: Building an International Career
How do you build an international career from a localrole?
Progress deliberately: master a function or market before moving on, seek exposure to differentleadership styles, and take on stretch assignments across geographies rather than chasing titles quickly.
What is the biggest challenge in building an international career?
Letting go offamiliar routines and comforts. Success requires curiosity, adaptability, and critical alignment with your partner orfamily, since an international career is rarely an individual decision alone.
Is an international career worth the personal sacrifice?
It can be, when pursued with intention. Leaders who stay engaged at home, communicate openly with family, and reflect continuously on trade-offs are more likely to sustain both career growth and personal well-being long-term.
How important is networking versus expertise forinternational career growth? Relationship-building matters, butitrarely sustains a global career on its own. Deep expertise, demonstrated leadership impact, and a genuine growth mindsetremain the strongestlong-term foundations.
The Kestria Executive Board
The Kestria ExecutiveBoard brings together senior leaders across Kestria’s global network to share the experiences, insights, and leadership lessons shaping careers across the world’s mostinterconnected industries.
Global Perspective, Personal Insight :By connecting leaders like Nikolaos Xydias with a global audience, Kestria helps surface the practical realities behind international career success, notjustthe achievements.
A Network Built on Experience : As part of Kestria,the world’s largest alliance of executive search firms,the ExecutiveBoard draws on decades of cross-border leadership experience to guide the next generation of global professionals.
Supporting Leadership Development Worldwide : Through conversations like this one, Kestria helps organizations and individuals alike understand whatittruly takes to build, sustain, and grow an international career.
Conclusion
Building an international career will not be won through ambition alone. Itrequires depth of expertise, cultural adaptability,family alignment, and the willingness to navigate rather than avoid periods of uncertainty and adversity.
Professionals who investin the rightfoundations, substance over visibility, resilience over speed, and reflection over routine will be best positioned to build careers that are not only globally successful, but personally sustainable.
With a global network and deep leadership insightthrough Kestria,the Kestria Executive Board continues to support professionals in navigating the realities ofinternational career growth.
In today’s interconnected global economy, learning how to build an international career is no longer just a personal ambition ,itis a strategic differentiatorfor professionals and a competitive advantage forthe organizations that develop them. As markets, cultures, and leadership expectations continue to evolve,the ability to operate across borders, adaptto change, and lead with cultural intelligence is becoming one ofthe most valuable capabilities in modern business.
Understanding whatittruly takes to build a sustainable international career the mindset, the sacrifices, and the leadership required to succeed is essentialfor any professional considering a path beyond their home market.
To explore this, Katerina Meimaroglou, President ofthe Kestria ExecutiveBoard, spoke with Nikolaos Xydias, Vice President & Head of Global Established Pharma for GSK, aboutthe journey, challenges, and lessons that shaped his path from local execution to global leadership.
What Does It Take to Build an International Career?
The Global Career Landscape: From Local Execution to Global Strategy
Moving from a local role to international leadership is rarely a single leap. Itis a progressive process, built through diverse experience across functions, countries, and leadership environments, shaped by:
- Deep, hands-on experience across multiple functions and markets
- Exposure to a variety ofleadership styles and business environments
- A willingness to build genuine depth of expertise ratherthan move quickly through roles
- Intentional planning, ambition, and a readiness to make difficult trade-offs
As Nikolaos reflects, his own path from financial analysis and forecasting into commercial and general management roles across markets was never about speed. It was about mastering each stage before moving to the next, and using every role as a foundation for the next level of responsibility.
Navigating a Complex, Personal Global CareerJourney
An international career is shaped by far more than professional strategy. It is a deeply personal journey, influenced by family circumstances, cultural adjustment, and the willingness to step outside familiar routines.
For Nikolaos, the turning point came early: his first international assignment as Head of Finance for Serbia, taken shortly after the birth of his first daughter, while commuting weekly between Greece and Belgrade. Leading a team in a new cultural environment, sitting on a market leadership team, and managing demanding operational challenges became one of the most formative experiences of his career reinforcing that uncertainty and adversity are often the greatest catalysts for growth.
For professionals considering a similar path, appreciating this broader personal context — not just the professional opportunity is essential before stepping into an international role.
What Builds a Successful International Career?
Not every international move leads to lasting career growth, and experienced global leaders know it. Sustainable success is built on substance and resilience, not visibility alone. Key differentiators include:
Depth of Expertise : Real career capital comes from mastering a function or market before moving on. Professionals who build genuine knowledge, rather than accumulating titles quickly, are better prepared for the complexity of global roles.
Cultural Adaptability : Leading across cultures requires curiosity and a genuine willingness to embrace unfamiliar environments, rather than replicating a single leadership style everywhere.
Family Alignment : International careers are rarely individual decisions. They require alignment with a partner and family on the sacrifices, relocations, and commitments involved, a factor too often underestimated.
Resilience Through Adversity :Navigating financial crises, operational disruptions, a global pandemic, or regional conflict as Nikolaos did across his career builds the judgment and perspective that define effective global leaders.
Strong international leaders treat these experiences as long-term investments in capability, not simply steps on a career ladder.
The Personal Cost of Global Mobility
Building an international career comes with real, often uneven,trade-offs across life stages and family circumstances:
- Relocating repeatedly across countries and leaving behind established routines
- Balancing demanding professional responsibilities with presence at home
- Significant sacrifices made by spouses and families, often the true foundation of long-term success
- The risk of professional success losing its value ifit comes atthe expense of personal well-being
Advancing an International Career Without Losing Balance
Building a global career while protecting personal well-being requires deliberate choices around pace,timing, and family engagement. A sustainable approach typically involves:
- Pursuing international opportunities with intention ratherthan urgency
- Seeking experiences that stretch capability and build resilience, rather than simply adding scope
- Staying engaged and present at home despite the demands of a global role
- Aligning career decisions with long-term family priorities, not just short-term opportunity
For professionals making this shift, learning from leaders who have balanced global ambition with personal responsibility offers a more realistic path than pursuing growth for its own sake.
How to Position Yourself forInternational Career Opportunities
Building toward an international career requires careful, long-term positioning. Professionals should focus on:
Substantive Development : Prioritizing how you lead, how you think, and what you know over personal branding or organizational visibility, which should complement — not replace — real capability.
Progressive Experience : Seeking out functions, markets, and leadership environments that broaden perspective, rather than rushing through roles.
Family and Personal Readiness : Evaluating international opportunities honestly with a partner orfamily, recognizing the sacrifices involved before committing.
Continuous Reflection : Regularly evaluating decisions and learning from experience, rather than treating career growth as a fixed plan.
Why Global Leaders Emphasize Reflection and Balance
Across international business, experienced leaders consistently arrive atthe same conclusion: no single skill, opportunity, or personal ambition can sustain a global career on its own.
Professional capability,family alignment, cultural adaptability, and resilience through adversity each play a role. As Nikolaos reflects, some ofthe most demanding moments of his career, a financial crisis, an acquisition, a pandemic, a regional conflict became the experiences that most shaped his leadership approach. Looking back, he acknowledges that being more open to international opportunities earlier, and more mindful ofthe impact of career decisions on family, would have accelerated and enriched the journey further.
Building a sustainable international career, ultimately, comes down to intentionality at every stage professional and personal alike.
Frequently Asked Questions: Building an International Career
How do you build an international career from a localrole?
Progress deliberately: master a function or market before moving on, seek exposure to differentleadership styles, and take on stretch assignments across geographies rather than chasing titles quickly.
What is the biggest challenge in building an international career?
Letting go offamiliar routines and comforts. Success requires curiosity, adaptability, and critical alignment with your partner orfamily, since an international career is rarely an individual decision alone.
Is an international career worth the personal sacrifice?
It can be, when pursued with intention. Leaders who stay engaged at home, communicate openly with family, and reflect continuously on trade-offs are more likely to sustain both career growth and personal well-being long-term.
How important is networking versus expertise forinternational career growth? Relationship-building matters, butitrarely sustains a global career on its own. Deep expertise, demonstrated leadership impact, and a genuine growth mindsetremain the strongestlong-term foundations.
The Kestria Executive Board
The Kestria ExecutiveBoard brings together senior leaders across Kestria’s global network to share the experiences, insights, and leadership lessons shaping careers across the world’s mostinterconnected industries.
Global Perspective, Personal Insight :By connecting leaders like Nikolaos Xydias with a global audience, Kestria helps surface the practical realities behind international career success, notjustthe achievements.
A Network Built on Experience : As part of Kestria,the world’s largest alliance of executive search firms,the ExecutiveBoard draws on decades of cross-border leadership experience to guide the next generation of global professionals.
Supporting Leadership Development Worldwide : Through conversations like this one, Kestria helps organizations and individuals alike understand whatittruly takes to build, sustain, and grow an international career.
Conclusion
Building an international career will not be won through ambition alone. Itrequires depth of expertise, cultural adaptability,family alignment, and the willingness to navigate rather than avoid periods of uncertainty and adversity.
Professionals who investin the rightfoundations, substance over visibility, resilience over speed, and reflection over routine will be best positioned to build careers that are not only globally successful, but personally sustainable.
With a global network and deep leadership insightthrough Kestria,the Kestria Executive Board continues to support professionals in navigating the realities ofinternational career growth.