Oliver Wyman – Principal, Private Capital – Tokyo
Marsh McLennan
- Location
- Tokyo - Akasaka
- Work model
- On-Site
- Level
- Principal
- Posted
- Aug 26, 2026
About this role
Who we are
Oliver Wyman is a global leader in management consulting. With offices in more than 70 cities across 30 countries, Oliver Wyman combines deep industry knowledge with specialized expertise in strategy, operations, risk management, and organization transformation. The firm has 7,000 professionals around the world who work with clients to optimize their business, improve their operations and risk profile, and accelerate their organizational performance to seize the most attractive opportunities. For more information, visit www.oliverwyman.com . Practice Overview Oliver Wyman’s Private Capital Practice advises leading private equity firms, principal investors, portfolio companies, and corporations across the investment and transaction lifecycle. We combine deep industry expertise, rigorous commercial analysis, and value creation capabilities to help clients make better investment decisions and deliver superior returns. Our work spans commercial due diligence, investment and growth strategy, value creation, carve-outs, and deal-driven transformation. We support investors in assessing market attractiveness, competitive positioning, growth opportunities, and investment risks, and work with portfolio companies to translate these insights into tangible performance improvement. Our teams work across sectors including Technology, Consumer and Retail, Telecommunications, Business Services, Transportation, Infrastructure, Industrials, Insurance, and Financial Services. In Japan, you will work with Japanese and international investors and corporations while collaborating closely with Oliver Wyman’s Private Capital and sector experts across Asia Pacific and globally.
What you will do
As a Principal in our Private Capital Practice , you will be a senior leader within the team, combining deep expertise with responsibility for client relationships, complex engagement delivery, business development, and the growth of our people and practice. Principals are trusted advisors to senior clients and work closely with Partners to shape and deliver our most important engagements. You will bring an investor mindset to complex strategic and transaction questions, helping clients make high-stakes decisions and identify opportunities to create value throughout the investment lifecycle. You will: Lead complex Private Capital engagements across commercial due diligence, vendor due diligence, investment strategy, portfolio value creation, and other transaction-related situations, maintaining a clear focus on the issues that matter most to investment outcomes. Shape the strategic direction of engagements , framing the critical questions, challenging investment hypotheses, identifying key sources of risk and upside, and ensuring our work translates into clear implications for investment and management decisions. Serve as a trusted advisor to senior clients , building relationships with private equity investment professionals, operating partners, portfolio company executives, corporate leaders, and other key stakeholders. Oversee high-quality case execution , guiding teams through sophisticated quantitative and qualitative analyses, primary research, market assessment, competitive analysis, and synthesis while ensuring rigorous and timely delivery. Translate insights into actionable recommendations , helping clients move from investment thesis to practical value creation priorities across growth, commercial effectiveness, operations, strategy, and transformation. Communicate with impact at senior levels , leading executive discussions and presenting compelling perspectives to investment committees, boards, management teams, and other senior decision-makers. Develop and expand client relationships , working alongside Partners to identify client needs, originate opportunities, shape proposals, and convert relationships into new and repeat engagements. Contribute to the growth of our Private Capital franchise