How an HKS MPA Opened Doors in International Policy: Gaia van der Esch

From refugee camps to G20 envoy — how one alumna leveraged her Harvard Kennedy School MPA for global impact

By Max SheltonReviewed by PAP Editoral TeamUpdated June 9, 202623 min read

What you’ll learn in this article…

  • Gaia van der Esch managed refugee camps across four countries before enrolling in the HKS MPA program in 2018.
  • After graduating in 2020, she served as an envoy advancing women's economic representation across G20 nations during Italy's presidency.
  • HKS MPA tuition runs $61,926 for 2025-2026, and the program builds skills in policy analysis, communications, and leadership.
  • Political scientist salaries vary sharply by metro area, with Washington D.C. and other policy hubs offering the highest wages.

By age 25, Gaia van der Esch was managing refugee camps and coordinating humanitarian relief across Syria, Jordan, Iraq, Lebanon, and Turkey. Within five years of completing her MPA at Harvard Kennedy School in 2020, she had served as an envoy for the Italian government during its G20 presidency, authored two books on leadership and society, and held senior policy advisory roles spanning 30 countries. Her path offers a concrete case study in how the HKS MPA can convert field expertise into multilateral influence.

This profile examines van der Esch's career arc, compares the HKS MPA to the MPA/ID and MPP programs, presents salary benchmarks for international policy roles, and extracts lessons for professionals navigating the shift from humanitarian operations to policy design.1

International careers in public policy in 2026 reward candidates who combine direct operational experience with formal training in quantitative analysis, communications, and institutional strategy. Van der Esch arrived at HKS with the first; the degree provided the second and third.

From Humanitarian Fieldwork to Harvard Kennedy School

Field experience and policy fluency are not the same thing, and Gaia van der Esch built one long before she pursued the other.

A Career That Started in the Field

Before she ever set foot on Harvard's campus, van der Esch had already logged years of demanding humanitarian work across some of the world's most difficult operating environments. She worked with an NGO delivering relief to Syrian refugees in Jordan, Iraq, Lebanon, and Turkey, including direct responsibility for managing refugee camps.1 That is work that demands rapid judgment, cross-cultural communication, and the ability to coordinate under pressure. By the time she was 25, she had risen to global deputy director of a Geneva-based humanitarian think tank, overseeing teams operating across roughly 30 countries.

By any measure, she was not a career beginner when she applied to Harvard Kennedy School.

The Gap Between Doing and Designing

What drew her to an MPA was precisely the tension that many experienced field professionals eventually recognize: knowing how a crisis unfolds on the ground does not automatically translate into the capacity to shape the policies that prevent or respond to it. She had operational credibility. What she wanted was the analytical framework and policy vocabulary to move from implementing programs to designing systems.

This is a recognizable pattern among HKS applicants. Professionals with five to ten years of field or sector experience often find that their knowledge is deep but narrowly channeled. A structured graduate program offers something different from additional field years: it provides exposure to policy analysis methods, comparative governance, negotiation frameworks, and the kind of interdisciplinary coursework that sharpens how you argue for change inside institutions, not just across them. For those weighing this kind of career pivot, understanding the landscape of international MPA programs can help clarify how different schools structure their curricula for mid-career professionals.

Why the MPA, and Why HKS

Van der Esch's choice to pursue an MPA rather than a research-oriented doctorate or a more specialized international development degree reflects a deliberate calculation. The MPA at Harvard Kennedy School is designed for professionals who intend to return to practice, not to academia. It emphasizes applied skills, leadership, and the translation of evidence into policy recommendations.

That distinction matters, and it is worth holding in mind as you consider which HKS degree best fits your own trajectory. Many graduates go on to work as an international policy specialist or in similar roles that blend analytical rigor with on-the-ground experience. The comparison between the MPA, the MPA in International Development (MPA/ID), and the Master in Public Policy (MPP) becomes relevant here, and the section that follows addresses those differences directly.

What the HKS MPA Program Offers International Policy Professionals

Tuition for the Harvard Kennedy School MPA program stands at $61,926 for the 2025-2026 academic year, a figure that reflects the depth and exclusivity of one of the world's most recognized policy credentials.1 For professionals weighing a graduate investment of this scale, understanding exactly what the program delivers, and who it is designed for, matters as much as the cost itself.

A Program Built for Mid-Career Professionals

The MPA at Harvard Kennedy School is structured explicitly for professionals who bring substantial real-world experience to the classroom. The program targets applicants with seven or more years of professional experience, which sets it apart from both the MPA/ID (Master in Public Administration in International Development) and the MPP in international policy, both of which are oriented toward earlier-career students.

This experience threshold is not incidental. Courses are designed with the assumption that students have already navigated institutional politics, managed teams, or implemented programs on the ground. Gaia van der Esch exemplifies this profile: she arrived at HKS having already managed refugee camps across four countries and served as global deputy director of a humanitarian think tank by her mid-twenties. The program gave her a framework to translate that fieldwork into policy fluency.

The curriculum itself is deliberately flexible. Students choose from concentration areas that span international development, security and intelligence, trade and economic policy, human rights, and gender equity, among others. This modularity allows professionals to pursue depth in their existing area of focus or pivot into adjacent policy domains where they want to build new competencies.

Financial Aid and Cost Considerations

Beyond tuition, prospective students should account for course materials fees ($618 for 2025-2026) and living expenses.1 For the 2026-2027 cycle, estimated living expenses run approximately $26,568, bringing total program costs toward roughly $103,759 when all components are included.2

Financial support is available, though competitive. Approximately 39 percent of MPA students received need-based aid during the 2025-2026 year.3 Crucially, international students are fully eligible for HKS scholarships and fellowships, a meaningful distinction given that the program draws heavily from global applicant pools.2

Admissions Context

The MPA cohort is intentionally small, creating a high-density peer network of experienced practitioners. Acceptance rates are not formally published by HKS, but the program's seven-plus-year experience requirement and holistic review process make it selectively competitive. Applicants are evaluated on professional achievement, leadership potential, and the clarity of their policy focus, not solely on academic metrics. For mid-career professionals from the humanitarian, diplomatic, or development sectors considering no-GRE MPA programs or test-score-driven alternatives, that profile-first approach is a structural advantage.

Key Skills Gained: Policy Analysis, Communications, and Leadership

The Harvard Kennedy School MPA curriculum is designed to transform practitioners into policy architects by developing three interconnected skill clusters: quantitative policy analysis, strategic communications, and adaptive leadership. For Gaia van der Esch, who arrived at HKS in 2018 with years of humanitarian fieldwork behind her, the program provided the analytical and conceptual frameworks to translate operational experience into systemic change.

Quantitative Policy Analysis

MPA students complete a rigorous core that includes microeconomics, statistics, political analysis, and public finance. These courses equip graduates to evaluate policy options using data, model trade-offs, and assess program effectiveness. For someone like van der Esch, who had managed refugee camps and coordinated relief across four countries, this training provided the tools to move from delivering services to shaping the policies that govern them. The ability to conduct cost-benefit analysis, interpret labor market data, and design evidence-based interventions becomes essential when advising governments or multilateral organizations.

Strategic Communications and Storytelling

Van der Esch credits a communications course taught by Lauren Brodsky with changing her trajectory.1 Brodsky encouraged her to write her first book, which examined Italian society and politics and positioned her as a public intellectual. The course demonstrated that effective policy work requires more than sound analysis: it demands the ability to frame issues, persuade stakeholders, and translate technical findings into narratives that resonate with decision-makers and the public. This skill proved critical when van der Esch later served as an envoy for the Italian government during its G20 presidency, where she had to build coalitions around women's economic representation across diverse political contexts.

Adaptive Leadership in Complex Systems

HKS integrates leadership training throughout the MPA, emphasizing the adaptive challenges that arise when technical solutions collide with political realities. The program teaches students to diagnose organizational dynamics, manage cross-sector partnerships, and navigate resistance to change. Van der Esch's ability to lead teams in roughly 30 countries by age 25, and later to coordinate a global initiative on gender equality, reflects this leadership development.

The Interdisciplinary Differentiator

The MPA's core strength lies in its interdisciplinary model. Field practitioners gain analytical rigor while academics and recent graduates gain operational perspective. This cross-pollination creates professionals who can design policies that are both theoretically sound and implementable, a skill set that translates directly into roles such as policy consulting. For van der Esch, the combination of reflection, coursework, and dialogue with peers from diverse sectors allowed her to step back from the urgency of humanitarian response and build a broader vision for policy impact. Understanding the difference between public administration and public policy helps clarify why an interdisciplinary degree like the MPA equips graduates for both implementation and design. That blend of experience and training is what distinguishes the HKS MPA in preparing leaders for international policy careers.

Career Trajectory After the MPA: G20 Envoy, Author, and Policy Advocate

International policy leadership in 2026 increasingly belongs to practitioners who can move fluidly between field operations, multilateral negotiation, and public communication. Gaia van der Esch's post-MPA arc is a working example of that hybrid profile, and tracking how it has evolved since her 2020 graduation offers a useful template for current students mapping their own trajectories.

From Geneva to the G20 Table

After completing her joint MPA from Harvard Kennedy School and Sciences Po Paris in 2020, van der Esch moved from humanitarian operations into formal multilateral policymaking.1 She served as Sherpa for G20 EMPOWER during Italy's presidency, the alliance focused on advancing women's economic representation across G20 economies.2 That role placed her inside intergovernmental negotiations on gender equality, a marked shift from her earlier work coordinating refugee camp operations across the Levant. For students weighing how public administration careers connect to multilateral diplomacy, this transition illustrates the range an MPA can unlock.

Author and Public Intellectual

Van der Esch has built a parallel identity as a writer. Her first book, *Volti d'Italia*, appeared in 2021 and examined Italian society and politics. Her second, *Leading Our Way: How Women Are Re-Defining Leadership*, was published by Wiley in 2023 and draws on interviews with female leaders across sectors.2 Her commentary has been featured in Vanity Fair, Corriere della Sera, L'Espresso, and the Harvard Kennedy Review, and she was named to the Forbes 30 Under 30 Europe list.2

Current Work

As of 2026, van der Esch serves as Managing Director of the 3ZERO foundation, an organization working across more than 40 countries on poverty, exclusion, and carbon reduction.2 She also co-founded the civic engagement initiative doyouagree? and sits on advisory boards for several organizations, alongside a regular schedule of speaking engagements at venues including the G20. Her trajectory shows how practitioners who combine field expertise with public affairs specialist skills can shape agendas at the highest levels.

How to Track Alumni Trajectories Like This One

For students researching where an HKS MPA can lead, a few sources keep this kind of profile current:

  • HKS alumni channels: The Kennedy School's alumni directory and community stories page publish updates on graduates' roles and publications.
  • LinkedIn: Filter an alum's profile by recent positions and posts to surface new affiliations and authored work.
  • G20 and multilateral sites: Country presidency portals list envoys, sherpas, and event agendas by name.
  • Publisher catalogs and Google Scholar: Useful for tracking new books, chapters, and policy papers.

Salary Outlook for International Policy and Public Administration Careers

Careers in international policy and public administration span a wide range of roles, from research and analysis positions to senior executive leadership. The table below draws on 2024 national wage data from the Bureau of Labor Statistics Occupational Employment and Wage Statistics survey to show how compensation varies across occupations commonly pursued by MPA graduates. While the political scientist classification shows a projected 3 percent decline in employment through 2034, many MPA holders move into broader management, executive, or legislative roles where demand and compensation can be substantially higher.

OccupationTotal National Employment25th Percentile SalaryMedian SalaryMean Salary75th Percentile Salary
Political Scientists5,950$103,030$139,380$137,600$172,050
Chief Executives211,850$126,080$206,420$262,930N/A
General and Operations Managers3,584,420$67,160$102,950$133,120$164,130
Legislators26,510$29,120$44,810$67,390$80,350

Top-Paying Metro Areas for Policy and Public Administration Roles

Where you work matters almost as much as what you study. Political scientist salaries vary significantly by metro area, driven by proximity to federal agencies, multilateral headquarters, think tanks, and international organizations. The figures below reflect occupational wages for political scientists across top-paying metros, not specifically Harvard Kennedy School graduates. Actual earnings for MPA holders in international policy roles will vary by employer, sector, and years of experience.

Median annual wages for political scientists ranging from $153,340 in Washington DC to $76,780 in Miami across eight U.S. metro areas in 2024

Questions to Ask Yourself

The HKS MPA is designed for mid-career professionals, while the MPA/ID and MPP typically suit earlier-stage candidates. Your experience level shapes which program you are eligible for and which cohort you will learn alongside.

The MPA/ID is economics-intensive and suits those wanting rigorous quantitative grounding in development. The MPA offers more flexibility, which better serves professionals who need to integrate diverse policy domains, as van der Esch's path illustrates.

The HKS MPA allows significant customization, which rewards students who know their gaps and can navigate open-ended learning. A more structured program may serve you better if you are still building your foundational policy knowledge.

HKS MPA vs. MPA/ID vs. MPP: Choosing the Right Degree for International Policy

Harvard Kennedy School offers three distinct master's degrees, each lasting 24 months, yet the differences in structure, prerequisites, and career trajectory are significant enough that the wrong choice can cost you time and focus.1 Gaia van der Esch's selection of the MPA over the MPP or MPA/ID was not accidental; it reflected a deliberate match between her professional profile and the program's design. Understanding how each degree works is essential before committing to an application.

Who Each Degree Is Designed For

The three programs target fundamentally different candidates:2

  • MPP (Master in Public Policy): Built for policy generalists in the early to mid stages of their careers. No prerequisite coursework is required, making it accessible to candidates transitioning from a wide range of undergraduate backgrounds.
  • MPA (Master in Public Administration): Tailored for experienced professionals who already hold significant leadership or managerial responsibilities. Applicants must complete four graduate-level courses before enrollment, including at least two with a quantitative focus. This prerequisite structure presumes you have already developed a professional foundation and are returning to sharpen specific competencies.
  • MPA/ID (Master in Public Administration in International Development): Aimed at technically strong candidates drawn to international development work. Prerequisites include microeconomics, macroeconomics, and calculus, reflecting the program's emphasis on rigorous quantitative analysis.

Van der Esch, who had already served as global deputy director of a Geneva-based humanitarian think tank by age 25, fit squarely into the MPA's experienced-professional profile. A candidate with less field experience but strong quantitative training might gravitate toward the MPA/ID instead.

How the Curricula Differ

Curricular structure is one of the sharpest distinctions among the three degrees. The MPP follows a structured core with required courses that build a common analytical vocabulary across the cohort. The MPA/ID is similarly structured but leans heavily into quantitative methods, econometrics, and development economics. The MPA, by contrast, has no common core.2 Instead, students fulfill distribution requirements across policy areas while retaining wide latitude to customize their course of study. That flexibility is precisely what allowed van der Esch to take a communications course with Lauren Brodsky, a class that ultimately catalyzed her first book. For professionals who already know which skills they need to acquire, the MPA's open architecture can be more valuable than a prescribed sequence.

Typical Career Sectors After Graduation

Career placement patterns also diverge across the three programs. MPP graduates tend to enter the public and nonprofit sectors, consistent with the degree's generalist orientation. MPA/ID graduates cluster in international development organizations, multilateral institutions, and related agencies. MPA graduates, perhaps surprisingly, tend to move into private-sector roles at higher rates, though many also pursue positions in government and international organizations.2 Van der Esch's trajectory, moving from HKS into a government envoy role during Italy's G20 presidency, illustrates that the MPA can serve as a springboard into high-level public service even when aggregate placement data skews toward private industry. For a broader look at how these two fields compare beyond HKS, our guide on public administration vs public policy offers useful context.

Practical Guidance for Choosing

If you are weighing these options for an international policy career, consider these factors:

  • Your years of professional experience. If you have fewer than five years and limited quantitative training, the MPP provides the broadest foundation. If you bring substantial field or management experience, the MPA's flexibility will likely serve you better.
  • Your analytical orientation. Candidates comfortable with econometrics and statistical modeling who want to work in development finance or impact evaluation should look seriously at the MPA/ID.
  • Your need for curricular freedom. The MPA allows you to assemble an interdisciplinary course load (policy analysis, communications, negotiation, leadership) that reflects your specific professional gaps. The MPP and MPA/ID leave less room for that kind of customization.

HKS publishes its own guidance comparing the MPP and MPA, and independent resources such as The Art of Applying have also broken down the differences in detail.2 Reviewing both official and third-party analyses will help you identify which program aligns with your career stage, skill set, and the kind of international policy work you want to pursue.

Lessons for Aspiring Public Service Leaders

Gaia van der Esch's trajectory from humanitarian fieldwork to shaping G20 policy offers several instructive lessons for those building careers in international policy and public administration. Her story illustrates that sustained impact in public service requires more than passion: it demands strategic skill development, deliberate career reflection, and the ability to translate field experience into systemic influence.

Invest in Self-Research When Comparing Programs

For prospective students considering graduate programs in international affairs or public administration, direct engagement with official program resources remains essential. Schools such as Princeton's School of Public and International Affairs, Columbia's School of International and Public Affairs, Georgetown's Walsh School of Foreign Service, and Harvard Kennedy School each offer distinct approaches to preparing students for global policy work. Program length, tuition structures, capstone requirements, and internship pipelines vary considerably.

Rather than relying solely on rankings or secondhand summaries, aspiring leaders should:

  • Review official program websites: These provide the most current information on curriculum design, faculty expertise, and degree requirements.
  • Consult cost comparison tools: Resources like the College Scorecard and IPEDS database allow prospective students to compare tuition, fees, and financial aid across institutions.
  • Examine career services reports: Many programs publish annual employment outcomes, including placement rates in international organizations, government agencies, and NGOs.
  • Search LinkedIn alumni networks: Identifying graduates who hold roles you aspire to can reveal which programs have strong pipelines into specific sectors or regions.
  • Use APSIA member data: The Association of Professional Schools of International Affairs aggregates placement trends and membership information that can inform comparisons.

Embrace Interdisciplinary Growth

Van der Esch's decision to enroll in a communications course alongside her policy studies proved pivotal, ultimately leading to two published books and a platform for advocating inclusive leadership. This illustrates the value of building skills outside your primary discipline. Public service careers increasingly demand competencies in storytelling, media relations, and coalition building alongside technical policy analysis. Professionals who supplement their graduate training with public administration certifications can further distinguish themselves in competitive hiring environments.

Prioritize Reflection Over Speed

Her statement about wanting to feel fulfilled while using her time to benefit society, humanity, and nature underscores a broader lesson: career advancement in public service should not come at the expense of purposeful reflection. Aspiring leaders benefit from periodically assessing whether their current roles align with their values and long-term vision for impact.

Challenge Conventional Leadership Models

Van der Esch's critique of leadership training that attempts to "fix" women rather than question systemic barriers offers a lesson for policy design itself. Those entering the field should bring a critical lens to institutional norms and advocate for approaches that address root causes rather than symptoms.

Frequently Asked Questions About the HKS MPA and International Policy Careers

Choosing the right graduate program for international policy work involves weighing cost, curriculum, and career fit. Below are answers to the questions prospective students ask most often about the Harvard Kennedy School MPA and related degrees.

HKS MPA graduates move into senior roles across government, multilateral organizations, NGOs, and the private sector. Career paths include diplomatic and envoy positions, policy advising, humanitarian leadership, and executive roles at international development agencies. Gaia van der Esch, for example, leveraged her 2020 MPA to serve as an envoy for the Italian government during its G20 presidency, shaping gender equality policy across member nations.

The MPA is a two-year, mid-career degree designed for professionals with at least seven years of experience who want to deepen leadership and policy skills. The MPA/ID (Master in Public Administration in International Development) is geared toward earlier-career candidates and emphasizes rigorous quantitative methods, economics, and development-specific coursework. Both can lead to international policy careers, but the MPA suits professionals who already bring substantial field experience.

Tuition for the HKS MPA program runs roughly $60,000 per year before fees and living expenses. Harvard Kennedy School offers need-based financial aid, merit fellowships, and employer sponsorship arrangements. Many mid-career students also receive support from their home governments or international organizations. Prospective applicants should contact the HKS financial aid office directly for the most current figures and deadlines.

Admission to the HKS MPA program is highly selective. The school looks for candidates with significant professional accomplishments, demonstrated leadership, and a clear plan for how the degree will advance their public service goals. Strong quantitative and analytical skills, compelling recommendation letters, and a well-articulated policy interest area all strengthen an application. Acceptance rates are not publicly published, but cohorts are intentionally small.

HKS MPA alumni work at the United Nations, World Bank, International Monetary Fund, regional development banks, and leading humanitarian NGOs. They also serve in national foreign ministries, think tanks focused on global governance, and private sector firms with international policy practices. Van der Esch's trajectory, from a Geneva-based humanitarian think tank to a G20 government role, reflects the breadth of opportunities available to graduates.

It depends on career stage and goals. The MPP is a two-year degree typically suited to early-career candidates building foundational policy analysis skills. The MPA targets experienced professionals ready to translate field knowledge into strategic leadership. For international policy, both degrees open similar doors, but an MPA may be more practical for those who already have hands-on experience in humanitarian work, diplomacy, or development and want to move into senior decision-making roles.

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