Data & Analytics Summer Internship 2027

Who We Are

Oliver Wyman is a global management consultancy working across all areas of industry, financial services, government, and non-profit organisations. 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 globally. 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.

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.

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 – click here for more information
• Modelling portfolio decarbonisation strategies leveraging advanced analytics techniques for large European banks
• Optimising 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

Who Can Apply?

• Applicants in their penultimate year of study in a quantitative/STEM discipline from a top academic program (Data Science, Mathematics, Economics, Natural Sciences, Statistics, 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
• You are aged 18 or over at the start of the internship
• Excellent command of the English language (verbal and written)
• You have the right to work in the UK
• Interest and experience in financial services and risk management is a plus

START DATE: MONDAY 21st JUNE 2027

We do reserve the right to close this opportunity early. Interviews will take place virtually WC 8th February 2027.

Why Join us? ​

Expect a steep learning curve, as no two weeks are ever the same. You may 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 endeavor.

You won’t be alone on this journey; various colleagues will guide and coach you throughout your career. You’ll have a dedicated buddy 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!

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

We are an equal opportunities employer. We are committed to providing reasonable adjustments in accordance with applicable law to any candidate with a disability to allow them to fully participate in the recruitment process. If you have a disability that may require reasonable adjustments, please contact us at reasonableaccommodations@marsh.com.

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