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Mayer Brown · 1 day ago

Assistant Director: Lateral Partner Integration

New York County, NY

Full-time

Onsite

Director/Executive

$182K/yr - $250K/yr

10+ years exp

Mayer Brown is an international law firm that serves major corporations, funds, and financial institutions globally. They are seeking an Assistant Director of Lateral Partner Integration to ensure the successful onboarding and integration of new lateral partners, focusing on accelerating revenue generation and enhancing connectivity within the firm.

AdviceConsultingLegal

H1B Sponsor Likely

Responsibilities

Build and manage the pre-start integration process to reduce uncertainty and ensure readiness

Coordinate early introductions with key administrative contacts (IT, HR, Legal Resources, billing, records, talent, etc.)

Develop and circulate pre-arrival integration checklists and follow-up communications

Coordinate LPQ intake, conflicts clearance, and ethical walls, ensuring matter opening and client communications align with applicable rules

Working with the Lateral Partner Hiring team and key business services professionals throughout our network, ensure a structured onboarding schedule that includes key orientations and relationship-building

Prevent "bystander effect” by clearly assigning responsibilities and monitoring follow-through

Balance onboarding tasks with client demands by prioritizing IT access, communications, and seamless client transition

Own Day 0/Day 2 access SLAs (SSO, DMS, time/billing, CRM, collaboration tools) and confirm device provisioning and security compliance

Publish a 30/60/90/180/365 integration plan with KPIs tied to the hiring business case, reviewed monthly with sponsors

Develop protocols for defining primary point of contact depending on whether the hire is a standard practice hire or a member of the Accelerated Growth or Priority Product areas

Serve as the lateral partner’s main internal contact (“their person”) for all questions, issues, and guidance (may differ if Practice managers act as primary contact with AG hires)

Act as liaison to business services stakeholders, enabling partners to stay client-focused

Maintain high-touch, responsive communication through the full integration period. This includes not only the Lateral Partner but the Lateral Partner Sponsoring Partner(s) as well

Conduct regular integration check-ins (first week, first month, quarterly, etc.)

Proactively identify gaps in onboarding, unmet needs, or emerging risks

Provide tools such as business plan templates and key upcoming deadlines

Collaborate with business development, Lateral Partner Sponsor Partner(s), and practice leadership to identify client overlaps and integration opportunities

Facilitate introductions to client relationship partners and cross-practice colleagues

Track and encourage expansion of the lateral’s client work within the firm

Create individualized 6–12 month integration plans for each lateral partner dependent upon the rationale for hire

Include visibility milestones, internal and external activities, and client introductions

Standardize “baseline” integration tasks applicable to all lateral partners

Drive internal visibility through meetings, partner lunches, retreats, roadshows, etc

Coordinate external visibility: publications, conferences, thought leadership, sponsorships, and importantly, client visits

Ensure partner’s market profile is tied effectively to the firm’s brand

Work with integration sponsors and practice leaders to ensure follow-through

Support assignment of integration teams and ownership structures

Track both qualitative feedback and quantitative metrics and report to leadership

Maintain regular ROI assessment of Lateral hires, assessing revenue generation, client retention, performance against business plan, collaboration and integration

Qualification

Ten years experiencePartner-level onboardingBachelor's degreeTalent managementBusiness developmentCRM systemsLegal tech proficiencyClient developmentData-driven insightsOperational budget analysisProject management skillsMicrosoft OfficeWriting skillsStrategic thinkingConfidentiality understandingRelationship-building

Required

Bachelor's degree required, preferably in human resources, recruiting, marketing, or communications. A combination of education and/or experience may be considered in lieu of the degree when the experience has been directly related to the functions of the role

Ten years or more of experience in a law firm or professional services environment. Prior experience in partner-level onboarding, talent management, recruiting, or professional development preferred

Experience managing complex, multi-stakeholder processes across offices or regions

Direct experience working with senior lawyers, practice leaders, or executive leadership

Experience coordinating functions across HR, IT, conflicts, finance, and business development

Experience developing or executing structured onboarding or integration programs (strongly preferred)

Strong understanding of law firm economics, partnership structures, and lateral hiring dynamics

Familiarity with legal industry market trends and competitive talent landscape

Knowledge of cross-selling, client development, and practice integration concepts

Understanding of confidentiality, conflicts, legal ethics, and partner mobility risk factors

Proficiency in Microsoft Office products

Experience with CRM systems (e.g. InterAction) and/or talent systems

Ability to track and report integration metrics and pull data-driven insights

Comfortable learning and using legal tech, onboarding tools, and business intelligence platforms

Strong writing skills for drafting onboarding plans, executive updates, and communications

Excellent written and verbal communication skills, able to communicate effectively and in a professional manner with all levels of the Firm and outside contacts

Highly responsive, service-oriented, and proactive in communication

Exceptional relationship-builder — able to engage senior lateral partners immediately

Ability to work in a diverse team environment and effectively support the demanding needs of the Firm

Ability to work under pressure and meet deadlines with shifting priorities

Must be a self-starter with a high level of initiative

Strong customer service skills, able to anticipate needs and exercise independent judgment

Strong attention to detail, organizational skills and the ability to manage multiple projects

Maintains confidentiality and exercises discretion

Exercises solid strategic thinking and problem-solving skills

Demonstrated good judgment, a team-first orientation, meticulous and results driven

Designs and executes integration plans that adapt to different practices, personalities, and markets

Identifies onboarding gaps, unmet needs, and emerging risks before they become problems

Anticipates challenges related to tech access, client transitions, or internal resource alignment

Analyzes client lists to find synergies, overlaps, and cross-selling opportunities

Tracks data and integration metrics to assess success and refine strategies

Prioritizes tasks based on impact — e.g., IT first, to ensure client continuity

Balances conflicting priorities (onboarding vs. client deadlines)

Develops scalable processes (e.g., standardized checklists + custom plans)

Uses dashboards (e.g., Power BI) to analyze pipeline, matter opens, and collections vs. plan

Manages the full lateral integration lifecycle from pre-arrival to post-integration

Coordinates and oversees internal stakeholders across departments

Assigns responsibilities clearly and monitors follow-through (“anti-bystander” leadership)

Leads integration team efforts and partner sponsors

Manages relationship-building activity between the lateral and firm partners

Oversees onboarding structure, visibility programming, and cross-practice synergies

Owns reporting to leadership on progress, risks, and results

Influences without authority — key skill for working with senior partners

Demonstrates leadership and supervisory experience including managing projects and workflows, effectively leveraging business services team support as needed

Leads by example, providing guidance, coaching, and mentorship

Tracks ROI against the hiring business case

Prepares monthly financial snapshots and recommends course corrections

Operational budget analysis and recommendations

Conducts analysis of staffing levels and participation in the recruitment process

Able to determine and implement change processes to improve workflow efficiencies

Process- and service-oriented with strong leadership and project management skills

High/premium quality orientation

Able to set priorities and delegate in an efficient manner

Analysis of staffing levels and requests for assistance

Operational budget analysis and recommendations

Preferred

Prior experience in partner-level onboarding, talent management, recruiting, or professional development preferred

Experience developing or executing structured onboarding or integration programs (strongly preferred)

Benefits

Medical/dental/vision/life/and AD&D insurance

401(k) savings plan

Back-up childcare and eldercare

Generous paid time off (PTO)

Opportunities for professional development and growth

Company

Mayer Brown

Glassdoor3.6

Mayer Brown is a leading global law firm with offices in key business centers across the Americas, Asia and Europe.

Founded in 1863

Chicago, Illinois, USA

1001-5000 employees

http://www.mayerbrown.com/

H1B Sponsorship

Mayer Brown has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

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Trends of Total Sponsorships

2025 (16)

2024 (24)

2023 (13)

2022 (10)

2021 (9)

2020 (15)