Leadership Overview
Morrison & Foerster has 8 executives leading key functions including strategy, finance, technology, operations, administration, human resources, and executive support.
Focused on navigating complex legal landscapes for global clients, Morrison & Foerster delivers cutting-edge counsel regarding social media and digital transformation. This firm maintains a commitment to addressing emerging legal questions through innovative practice and strategic business guidance.
Focused on navigating complex legal landscapes for global clients, Morrison & Foerster delivers cutting-edge counsel regarding social media and digital transformation. This firm maintains a commitment to addressing emerging legal questions through innovative practice and strategic business guidance.
Leadership Roles at Morrison & Foerster
Larren Nashelsky - Chair and Chief Executive Officer Partner
Larren Nashelsky, the Chair and Chief Executive Officer Partner at Morrison & Foerster, directs the firm's overarching strategic vision and global practice standards. Overseeing the integration of legal expertise across diverse sectors, the Chair and Chief Executive Officer Partner ensures that the firm remains at the forefront of complex social media litigation and regulatory compliance. This leadership role involves managing high-level partnerships and driving the firm's expansion into new international markets. By aligning legal talent with evolving client needs, Larren Nashelsky secures the firm's reputation for excellence in the legal industry. Nashelsky maintains rigorous standards for professional conduct while fostering a culture of innovation. Through consistent engagement with the Board, the Chair and Chief Executive Officer Partner optimizes firm performance and long-term growth, ensuring that the organization effectively addresses the rapid pace of digital legal developments.
Tim Murphy - Chief Financial Officer
Tim Murphy, the Chief Financial Officer at Morrison & Foerster, manages the firm's fiscal health and capital allocation strategies. Overseeing global financial reporting and budgeting, the Chief Financial Officer ensures that resources support the firm's complex legal practice groups. This role involves analyzing market trends to maintain profitability while navigating the financial demands of international operations. By implementing robust accounting controls, Tim Murphy protects the firm's assets and supports sustainable growth. Murphy collaborates with the executive team to align financial objectives with the firm's mission of providing cutting-edge legal counsel. Through precise financial planning, the Chief Financial Officer enables the firm to invest in the technology and talent necessary to address emerging legal questions. Murphy drives fiscal efficiency across all departments, ensuring that the firm remains competitive in a rapidly changing legal landscape.

Brian Gross - Chief Operating Officer
Brian Gross, the Chief Operating Officer at Morrison & Foerster, manages the firm's daily business operations and internal processes. Overseeing the execution of firm-wide policies, the Chief Operating Officer ensures that practice groups function with maximum efficiency and alignment. This role involves streamlining administrative workflows and optimizing resource distribution across international offices. By coordinating cross-departmental initiatives, Brian Gross supports the firm's ability to provide rapid, high-quality legal responses to complex client issues. Gross works closely with the executive team to implement operational strategies that reflect the firm's commitment to excellence. Through rigorous process management, the Chief Operating Officer maintains the stability of the firm's business model. Brian Gross drives operational improvements that allow the firm to adapt to the fast-paced nature of modern legal challenges, ensuring that all internal functions support the broader mission of the organization.
Gennedy Mendoza - To The Administrative Operations Assistant & Manager, Amp & Manager, Foundations & & Chief Operating Officer, Amp
Gennedy Mendoza, the To The Administrative Operations Assistant & Manager, Amp & Manager, Foundations & & Chief Operating Officer, Amp at Morrison & Foerster, manages the firm's administrative foundations and operational support systems. Overseeing the coordination of internal resources, the To The Administrative Operations Assistant & Manager, Amp & Manager, Foundations & & Chief Operating Officer, Amp ensures that the firm's operational infrastructure remains robust and efficient. This role involves managing foundational support services that enable attorneys to focus on complex legal work. By optimizing administrative workflows, Gennedy Mendoza supports the firm's ability to deliver consistent service across all practice groups. Mendoza collaborates with the executive team to ensure that operational processes align with the firm's strategic objectives. Through diligent management of administrative functions, the To The Administrative Operations Assistant & Manager, Amp & Manager, Foundations & & Chief Operating Officer, Amp drives the firm's internal stability and operational success.
Gregory Bayer - Chief Technology Officer
Gregory Bayer, the Chief Technology Officer at Morrison & Foerster, architects the firm's digital infrastructure and cybersecurity frameworks. Overseeing the implementation of advanced legal technology, the Chief Technology Officer ensures that attorneys possess the tools required to manage complex data and digital evidence. This role involves securing firm-wide information systems against evolving threats while supporting the technological needs of global practice groups. By modernizing internal platforms, Gregory Bayer enhances operational efficiency and client service delivery. Bayer collaborates with the executive leadership to integrate innovative solutions that address the intersection of law and social media. Through strategic technology investments, the Chief Technology Officer maintains the firm's competitive edge in a digital-first market. Bayer drives the adoption of secure, scalable systems that support the firm's mission of providing high-level legal expertise in an increasingly connected world.
Lee Masetti-Martin - Chief of Staff To the Chair
Lee Masetti-Martin, the Chief of Staff To the Chair at Morrison & Foerster, facilitates communication and strategic alignment between the Chair and the broader leadership team. Overseeing the execution of executive priorities, the Chief of Staff To the Chair ensures that the firm's mission remains central to all management decisions. This role involves managing high-level projects and coordinating the flow of information across the firm's practice groups. By streamlining executive workflows, Lee Masetti-Martin enables the leadership to focus on critical legal and business developments. Masetti-Martin acts as a key liaison, ensuring that the firm's strategic goals are communicated effectively to all stakeholders. Through meticulous project management, the Chief of Staff To the Chair supports the firm's ability to navigate complex legal landscapes. Lee Masetti-Martin drives organizational cohesion, ensuring that the firm's leadership remains agile and responsive to the needs of clients.
Monique Defebaugh - Chief Human Resources Officer
Monique Defebaugh, the Chief Human Resources Officer at Morrison & Foerster, directs the firm's talent acquisition, development, and retention strategies. Overseeing the cultivation of a high-performing workforce, the Chief Human Resources Officer ensures that the firm attracts top legal talent capable of addressing complex social media issues. This role involves managing professional development programs and fostering an inclusive culture that supports the firm's mission. By aligning human capital with the firm's strategic needs, Monique Defebaugh maintains the expertise required to provide cutting-edge legal counsel. Defebaugh collaborates with the executive team to implement policies that promote employee engagement and professional excellence. Through strategic workforce planning, the Chief Human Resources Officer ensures that the firm remains a leader in the legal industry. Monique Defebaugh drives the development of talent, ensuring that the firm's human resources support the long-term success of the organization.
Susan Quinn - Chief Administrative Officer
Susan Quinn, the Chief Administrative Officer at Morrison & Foerster, manages the firm's administrative infrastructure and facility operations. Overseeing the delivery of essential support services, the Chief Administrative Officer ensures that the firm's physical and digital environments facilitate high-level legal work. This role involves managing office operations and administrative policies that support the firm's global practice groups. By optimizing administrative processes, Susan Quinn enhances the efficiency of the firm's daily operations. Quinn collaborates with the executive team to ensure that administrative functions align with the firm's strategic goals and client service standards. Through effective management of firm resources, the Chief Administrative Officer supports the firm's ability to address complex legal questions at a rapid pace. Susan Quinn drives administrative excellence, ensuring that the firm's infrastructure remains a strong foundation for the legal expertise provided to clients.
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