Associate Consultant Intern, 2026 - Athens, Greece

Our Purpose
Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
Title and Summary
Associate Consultant Intern, 2026 - Athens, Greece
At Mastercard, our Advisors & Consulting Services (ACS) group helps clients drive impact through data-driven insights, hands-on implementation, and a collaborative, tech-enabled culture. We invest in talent through global engagements, continuous learning, and programs like the Global Ambassadors Program, while fostering purpose through volunteerism, pro-bono work, and innovation that benefits both clients and communities.
As an Associate Consultant Intern, you will:
• Participate in volunteer and team building experiences • Gain exposure to our leadership team through networking sessions and speaker series • Begin to build relationships with clients to understand their business needs, seek strategic solutions and guide impactful decisions • Grow by receiving hands-on mentorship from an experienced management team. • Have an opportunity for meaningful contributions • Collaborate with colleagues across different areas of the organization and gain exposure to business development, account management, and product management
We are looking for passionate and talented professionals, who share our vision for helping our customers with their most urgent business need.
Strategy & Transformation
Guide clients through strategic, tactical, operational, and transformational challenges to enhance performance and operations. Our engagements cover diverse areas, including product development, marketing, customer loyalty, and innovation. Working with clients from various industries, many S&T engagements directly interface with numerous Fortune 500 companies. This role aligns with the practices of traditional management consulting firms.
Sampling of questions we help our customers answer:
- How can a global financial services institution be successful at entering a hyper competitive new market?
- How can a customer improve its operating model to better achieve operational, financial and strategic goals?
Team members typically support 1-3 projects concurrently, with each project lasting for approximately 8-16 weeks.
Bring your Passion and Expertise
We recruit for and value the following core competencies:
Passion: Actively seeks responsibility and takes pride in delivering the highest quality results and recommendations to our clients. Proven record of leadership in a work setting and/or through extracurricular activities.
Analytic Excellence: Demonstrates a strong aptitude for structured problem solving, analytical and quantitative skills. Experience using data analysis or querying tools (e.g., SQL, SAS, Excel or Tableau) is an asset (particularly for Performance Analytics or Business Experimentation tracks).
Business Interest: Clear interest in the world of business, and intuition for the way that companies make decisions.
Rapid Growth: Eagerness to learn quickly, both through Mastercard's structured training curriculum and organic development opportunities.
Teamwork: Willingness to work within small teams to produce outstanding deliverables, with a will to win attitude.
Integrity: Outstanding record of academic achievement. Commitment to Mastercard's values of honesty and integrity with a willingness to embrace and learn from mistakes.
Diverse Perspective: Brings a unique skillset or approach to the table in every client engagement or internal activity.
Communication: Ability to communicate complex ideas effectively. Excellent written and verbal communication skills.
Qualifications:
- Undergraduate or master's degree with an expected graduation date between September 2026 - August 2027
- Language Requirement: English Proficiency is mandatory
- Full time availability from Early June - Early August
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.