Business Impact Manager: Defense and Security, Global in London

At Oliver Wyman, a Marsh (NYSE: MRSH) business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their most defining transformative moments. As a business of Marsh, we work alongside the world’s leading experts across risk, reinsurance and capital, people and investments, and management consulting. Together with Marsh Risk, Guy Carpenter, and Mercer, we help organizations build resilience and competitive advantages from every angle.

Please Note: Oliver Wyman/Marsh operates a hybrid working policy and we will require the successful candidate to work from the office at least 60% of the time.

About the role: The Business Impact Team (BIT) supports the growth of Oliver Wyman by seamlessly enabling business development and management activities. The Business Impact Manager is a central role in the strategic and commercial development, operation and community building of Marsh’s and Oliver Wyman’s Defense & Security (D&S) task force. The role provides support to the Oliver Wyman Defense & Security task force Leadership, in managing the day-to-day affairs of the task force and is a go-to-person for all colleagues for task force-related topics.

The role translates Marsh’s and Oliver Wyman’s Defense & Security vision into clear strategic initiatives, performance metrics, and operational plans. The role is centered on Oliver Wyman’s D&S strategy roll-out but also supports Oliver Wyman’s leadership in their steering of the collaboration across Marsh businesses in the roll-out of Marsh’s D&S growth acceleration strategy. The Business Impact Manager acts as a thought partner to leadership, orchestrates cross-functional collaboration with Finance, Business Development, Marketing, Legal, Talent, IT, Knowledge, and Events, and ensures that commercial performance, investments, and people decisions are tightly aligned to the business’s strategic goals. This is a high-visibility, high-impact role suited to someone who combines strategic thinking, rigorous analytical skills, strong stakeholder management, and a deep interest in defense, national security, and government-related clients.

What you will be doing...

• Develop and leverage trusted relationships with firm leadership and teams, as well as relevant infrastructure teams.
• Manage or support recurring activities that are important to the long-term success and smooth day-to-day running of the business.
• Strategic topics, including development and implementation of strategies for commercial, corporate, or people development.
• Support of periodic planning activities.
• Delivery of strategic decision support analyses.
• Commercial activities, including key account planning, high impact opportunity management, and pipeline management.
• Business operations, including preparation and facilitation of internal meetings, tracking and follow up of action items, management of business to-do list, prioritizing tasks and initiatives, execution of people management processes such as objective setting cycles, and execution of compliance processes.
• Engagement and communication: Manage or support ad-hoc initiatives according to the needs of the business.
• Identify and implement improvements including in strategic, commercial or operational processes, enhancing efficiency and effectiveness in day-to-day activities.
• Show leadership within the Business Impact Team, leading key internal projects or initiatives and enabling the success of fellow members.
• Provide coverage where needed.

This role will suit someone with:

• 4+ years of experience in professional services; experience at a leading management consulting firm highly desirable; experience with Defense & Security or government clients is strongly preferred.
• Experience dealing with confidential and business critical issues.

Skills and Attributes:

• Client Service Excellence: Delivers a high-impact, "10 out of 10" client service experience.
• Curiosity and Market Understanding: Demonstrates a strong desire to understand Oliver Wyman and Marsh business dynamics and the broader market context.
• Project Management and Solution Development: Independently manages and prioritizes multiple projects, leading the development of creative solutions that enhance business performance while meeting tight deadlines.
• Insightful Advising: Provides high-quality insights and acts as a trusted advisor to leadership.
• Effective Communication: Communicates with confidence and clarity, employing a constructive style in both spoken and written formats to engage diverse audiences.
• Self-Motivation and Leadership: Exhibits strong self-motivation and leadership qualities.
• Relationship Building and Collaboration: Builds and maintains trusted relationships with stakeholders, promoting open and respectful communication while effectively collaborating with colleagues across teams.
• Inclusivity and Diversity Advocacy: Exemplifies inclusive behavior and actively promotes equality and diversity within the team and the organization.
• Culture of Improvement: Identifies and shares best practices widely, fostering a culture of continuous improvement and innovation.
• Performance Enhancement and Coaching: Seeks opportunities to improve individual performance, coaches colleagues, and provides constructive feedback.
• Adaptability: Willingly responds to ad-hoc requests and projects.

Bonus: Understands the dynamics of private capital or corporate mergers and acquisitions.

Technical skills: Quantitative skills, and proficiency in Microsoft Office suite (in particular Excel and PowerPoint), familiarity with generative AI and productivity tools is a plus. Strong academic credentials in fields such as Business, Economics, International Relations, Public Policy, Engineering, or Security Studies; an advanced degree is advantageous but not required. Excellent written and verbal communication skills in English. Further languages helpful, but not required. Eligibility for security clearance (or prior clearance) may be required.

Why join us at Oliver Wyman? At Oliver Wyman, we lead with heart - we love what we do and have fun while we do it! We also strive for breakthroughs by questioning, seeking diverse perspectives, and finding powerful and sustainable solutions. If you share these values and want to work as one and own our impact at the same time, be brave and achieve the amazing with us!