Oliver Wyman - Summer Intern (2026) - Tokyo

Description : Who We Are

Oliver Wyman is a global leader in management consulting that combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation. Our mission is to help clients achieve lasting success by solving their most complex problems and seizing their biggest opportunities.

At Oliver Wyman, we believe in the power of diverse perspectives and collaborative teams to drive innovation and impact. Our consultants come from a range of backgrounds and experiences, and we embrace the unique skills and insights they bring to our work. We are committed to creating an inclusive environment where everyone can thrive and reach their full potential.

We are proud of the values that we aspire to live by at Oliver Wyman - You can find out more about our values ​

What You Will Do

As a new joiner at Oliver Wyman, you will have the opportunity to work on interesting problems for large clients worldwide, developing your expertise quickly and making an immediate impact. You'll work alongside senior colleagues and clients, working as one to help to solve complex problems and drive meaningful change.

We believe in providing our consultants with the freedom and support they need to succeed in their own way. We provide an apprenticeship model for learning on the job, supplemented by formal training to help you rapidly develop your communication, presentation, and client management skills.

Why Join Us

Come aboard if you enjoy solving interesting problems and at ease working across different cultures. You will step out of your comfort zone, finding stretch opportunities along every step of the journey. You will also find genuine colleagues who speak their minds and measure success not by the number of hours worked but by what gets accomplished. ​

Immediate impact, continuous challenge

• Internships at Oliver Wyman provide a true taste of life as a consultant and unique preparation for a full-time role.
• During your internship from June to August, you’ll work on 1-2 challenging projects that have a significant impact on clients, industries, and societies.
• You’ll be a full team member, with responsibility for a distinct piece of work that will help the team deliver breakthrough impact.
• You will be based in Tokyo office but may have the opportunity to travel for project work.
• We’ll ask you to challenge the norm and strive to build something new to shape our firm and the world around us.

Chart your course; we support the journey

We hire you to be you

Who Can Apply

How T o Apply

Please combine below required documents into 1 PDF and submit :

Please submit your application to only ONE role / office within Asia-Pacific and refrain from submitting any duplicate applications.

Oliver Wyman, a business of Marsh McLennan (NYSE : MMC), is a management consulting firm combining deep industry knowledge with specialized expertise to help clients optimize their business, improve operations and accelerate performance. Marsh McLennan is a global leader in risk, strategy and people, advising clients in 130 countries across four businesses : Marsh, Guy Carpenter, Mercer and Oliver Wyman. With annual revenue of $24 billion and more than 90,000 colleagues, Marsh McLennan helps build the confidence to thrive through the power of perspective. For more information, visit oliverwyman.com, or follow on LinkedIn and X.Marsh McLennan 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.Marsh McLennan is committed to hybrid work, which includes the flexibility of working remotely and the collaboration, connections and professional development benefits of working together in the office. All Marsh McLennan colleagues are expected to be in their local office or working onsite with clients at least three days per week. Office-based teams will identify at least one “anchor day” per week on which their full team will be together in person.