Data & Analytics - 6 month Analyst Internship

This is a 6-month Graduate Data & Analytics Internship at Oliver Wyman (consulting firm) where you use Python, machine learning, and quantitative methods to solve real-world business problems for global clients in finance, energy, retail, and other industries.

Who We Are
Oliver Wyman, a Marsh (NYSE: MRSH) business, is a management consulting firm driven by deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their most defining transformative moments.

Clients approach us with their most significant challenges, and we assemble teams of experts to address each facet of these complex issues. Together, we create breakthroughs that lead to remarkable impact.

Within Oliver Wyman, the Data and Analytics (DNA) division was established in 2017 and is operating across the entire world, with a focus on Europe. We are a dynamic and rapidly growing team of quantitative analytics specialists, collaborating closely with colleagues across the firm to cover a global footprint, working across multiple industries including, but not limited to, Financial Services, Climate & Sustainability, Energy, Retail, and Transportation.

We believe in the power of diverse perspectives and collaborative teams to drive innovation. Our team comes from a wide range of backgrounds and experiences, and we embrace the unique skills and insights they bring to our work. At Oliver Wyman and within DNA, we are proud of the values we uphold that guide us every day in how we work and collaborate. We are committed to fostering an inclusive environment where everyone can thrive and reach their full potential.

6-Month Graduate Internship Opportunity

We are excited to offer a 6-month graduate internship within Oliver Wyman’s Data & Analytics team (Start Date: Flexible). This internship provides a unique opportunity to gain practical experience working alongside industry experts and contributing to real client projects.

What You Will Do
As a member of Oliver Wyman’s Data & Analytics team, you will collaborate with colleagues and clients at all levels from your very first day, helping clients solve their most pressing challenges. Our DNA team is committed to developing tailored solutions for clients around the globe, including designing potential solutions for analytical challenges, implementing various prototypes while also assessing their effectiveness, and engaging in discussions with clients and colleagues to share ideas. Your contributions will be invaluable to delivering impactful results for our clients.

Notable projects include:

• Developing an NLP-based machine learning toolkit to predict credit rating downgrades using news articles

• Modelling portfolio decarbonization strategies leveraging advanced analytics techniques for large European banks

• Optimizing and developing a promotional program using data from historical promotions for an Asian health & beauty chain by deploying a promotion analytics toolkit

• Validating a customer-facing GenAI chatbot for an American bank

• Developing probability of default and loss models in Python for European and UK-based banks

• Identifying supply chain risks by combining multiple live data feeds, and developing and applying a bespoke AI based risk methodology

• Developing a next best action model to reduce customer churn for a global telecom company

Why Join Us?
Expect a steep learning curve during your internship, as no two projects are ever the same. You’ll have the opportunity to travel internationally, gaining invaluable experiences and insights across different cultures and with access to the latest technologies, you’ll constantly expand your toolkit with each new endeavour.

You won’t be alone on this journey; various colleagues will guide and coach you throughout your career. You’ll have a dedicated buddy, a career adviser, and a talent manager to help you navigate your professional path. We also care deeply about sustainable work-life quality, providing you with the flexibility to balance your career aspirations with your personal life.

This role will empower you to embrace your curiosity and step out of your comfort zone. You will have the opportunity to work alongside genuine colleagues who measure success by the lasting impact we create together. If you’re excited by challenges and eager to make a meaningful impact, we look forward to welcoming you aboard!

Who Can Apply?

• Bachelor's, Master’s, or PhD in a quantitative discipline from a top academic program (Data Science, Mathematics, Natural Sciences, Statistics, Computer Science, Engineering, etc.)

• Data-driven mindset and proficiency with numbers, paired with the ability to explain sophisticated data science concepts in an understandable manner to clients and colleagues

• Ideally, programming skills in Python or R, but more importantly, an eagerness to continuously extend your knowledge of technologies

• Strong commitment to teamwork and resilience in a creative and constantly changing environment

• Excellent command of the English language (verbal and written)

• Interest and experience in financial services and risk management is a plus

Closing Date: Friday 29th May 2026.

We do reserve the right to close the role early should suitable applicants be found.

Marsh is committed to creating a diverse, inclusive and flexible work environment. We aim to attract and retain the best people and embrace diversity of age, background, disability, ethnic origin, family duties, gender orientation or expression, marital status, nationality, parental status, personal or social status, political affiliation, race, religion and beliefs, sex/gender, sexual orientation or expression, skin color, or any other characteristic protected by applicable law.