The Corporate M&A team is responsible for overseeing group-wide global M&A activities for Liberty Mutual. The Senior Director of M&A is a hybrid role based in Boston and reports directly to the Senior Vice President, Group Head of M&A. As a senior member of Liberty Mutual's Mergers & Acquisitions team, this individual will be responsible for successfully sourcing and executing Liberty's inorganic growth initiatives regarding mergers, acquisitions, and divestitures. The role involves extensive collaboration with internal business units, corporate functions (Legal, Tax, Accounting, HR), and external advisors (Financial, Legal, and Accounting/Tax advisors). The Senior Director, M&A will proactively participate in discussions with senior leaders across the organization to source, assess, and identify opportunities, while aligning with group-wide strategic inorganic goals and focus areas. We seek an individual with prior experience working effectively in a high-urgency, high-performance, and high-visibility culture, capable of multitasking across several projects simultaneously. This role is highly cross-functional, requiring strong communication, relationship-building, and presentation skills. Candidates must possess a robust technical finance/insurance and valuation skill set and have prior experience successfully negotiating and structuring transactions to execution. The ability to influence and drive results without direct authority is critical for success.