Senior Manager, Lateral Partner Integration

San Francisco, CA or New York, NY or Los Angeles, CA or Washington, DC

We're looking for a Senior Manager, Lateral Partner Integration to lead the charge in welcoming top legal talent into our firm and setting them up to thrive from day one. In this high-impact, cross-functional role, you'll own the full journey - from pre-arrival through onboarding, orientation, and integration over each lateral partner's critical first two years - partnering with sponsoring partners, firm leadership, business development, and marketing teams to design seamless experiences that turn new partner relationships into measurable business results.

You'll also serve as a key point of connection, reporting on integration progress to the Practice Group, Chief People Officer, and Firm Leadership along the way. If you love building bridges between departments, driving smart processes, and playing a direct role in the firm's growth story, this is your opportunity to make a lasting impact.

• Lead end-to-end integration of lateral partners, groups, and firm combinations across clients, operations, and culture, designing a scalable framework that accelerates onboarding and long-term success
• Ensure integration efforts drive client retention, cross-selling opportunities, and revenue growth, aligning decisions with firm strategy across practices, offices, and legacy structures
• Serve as the primary point of contact for lateral partners from offer acceptance through their first two years, coordinating with sponsor partners, Directors of Administration, IT, Facilities, Conflicts, Records, and Marketing teams on all arrivals
• Manage the full onboarding process - including conflicts and background clearance, engagement letters, and tailored onboarding/orientation schedules - ensuring all tasks are completed accurately and on time
• Design onboarding and orientation materials, including a customized integration presentation deck, for each incoming lateral partner
• Lead pre-arrival calls and foster early relationships between new hires and the onboarding team, supporting first-day announcements, introduction lunches, and office spotlights
• Manage the lateral integration process by meeting with each partner at least monthly during their first 100 days to track progress and schedule additional check-ins as needed
• Collaborate with firm leadership, the Chief People Officer, and Business Development leaders to provide lateral partners with training and networking opportunities at retreats and department meetings
• Leverage technology, data, and operational infrastructure to establish governance, timelines, and success metrics, monitoring outcomes to refine strategy and reporting results to the CPO and senior leadership
• Evaluate, mentor, and develop direct reports, fostering effective workflows, fair and consistent practices, and strong performance to meet client service and business objectives

• Bachelor's degree plus 7-10 years' minimum relevant experience in law firm attorney recruiting, growth strategy, business development, M&A, or related roles within an Am Law 100 firm or comparable professional services organization, or equivalent combination of education and experience
• Proven track record of leading complex acquisitions, lateral partner/group hires, and post-transaction integrations with sound judgment and measurable financial impact, along with an understanding of law firm economics including pricing, leverage, utilization, realization, and partner profitability
• Excellent end-to-end project management skills to plan, manage, and execute multi-faceted, confidential lateral growth projects, with proven hard and soft skills in task prioritization, resource management, problem solving, and progress/performance…