Wilson Sonsini Executive and Leadership Team

October, 2026

Leadership Overview

Wilson Sonsini has 5 executives leading key functions including strategy, technology infrastructure, information systems, revenue growth, and operational management.

Focused on delivering premier legal counsel to technology and life sciences enterprises, Wilson Sonsini maintains a commitment to excellence in corporate law, intellectual property, and complex litigation for global clients.

Leadership Roles at Wilson Sonsini

  • Chief Executive Officer - Caz Hashemi
  • Chief Technology Officer - Michael Lucas
  • Chief Information Officer - Jeffrey Lolley
  • Chief Revenue Officer - Gregory Phillips
  • Chief of Staff To the Managing Partner - Lena Gunderman
  • Caz Hashemi - Chief Executive Officer

    Caz Hashemi, the Chief Executive Officer at Wilson Sonsini, directs the firm's overarching strategic vision and long-term growth initiatives. Overseeing the expansion of legal services across technology and life sciences sectors, the Chief Executive Officer ensures alignment between firm-wide objectives and the evolving needs of venture capital and private equity clients. This leadership role involves managing high-level relationships with multinational corporations and guiding the firm through complex regulatory landscapes. By fostering a culture of innovation and excellence, Caz Hashemi directly impacts the firm's market position as a leader in corporate law and initial public offerings. Hashemi maintains rigorous standards for legal practice while driving the firm's competitive edge in the global marketplace. Through consistent focus on client success and operational efficiency, the Chief Executive Officer secures the firm's reputation as a premier advisor for growth enterprises at every stage of the business lifecycle.
    Caz Hashemi

    Michael Lucas - Chief Technology Officer

    Michael Lucas, the Chief Technology Officer at Wilson Sonsini, architects the digital infrastructure required to support sophisticated legal operations and secure data management. Overseeing the integration of advanced software solutions, the Chief Technology Officer ensures that attorneys possess the tools necessary for complex intellectual property analysis and litigation support. This leadership role involves evaluating emerging technologies to enhance firm productivity and client service delivery across North American and international operations. By optimizing technical workflows, Michael Lucas directly impacts the firm's ability to handle high-stakes technology disputes and large-scale mergers and acquisitions. Lucas drives the implementation of secure, scalable platforms that protect sensitive client information while facilitating seamless collaboration among legal teams. Through continuous technological advancement, the Chief Technology Officer maintains the firm's status as a modern, efficient partner for technology pioneers and investment banks navigating the digital economy.

    Jeffrey Lolley - Chief Information Officer

    Jeffrey Lolley, the Chief Information Officer at Wilson Sonsini, manages the firm's information governance, data architecture, and knowledge management systems. Overseeing the lifecycle of critical legal data, the Chief Information Officer ensures compliance with global regulatory standards and internal security protocols. This leadership role involves coordinating with the Board and other C-suite members to align information systems with the firm's strategic goals in corporate law and securities. By streamlining information access, Jeffrey Lolley directly impacts the efficiency of legal research and document management for complex transactions. Lolley drives the development of robust data analytics capabilities that provide actionable insights for firm leadership. Through the maintenance of secure and reliable information networks, the Chief Information Officer supports the firm's mission to provide comprehensive legal services to growth enterprises, ensuring that information remains a strategic asset in every client engagement.

    Gregory Phillips - Chief Revenue Officer

    Gregory Phillips, the Chief Revenue Officer at Wilson Sonsini, drives the firm's financial performance through strategic business development and client acquisition initiatives. Overseeing the expansion of market share within the technology and life sciences sectors, the Chief Revenue Officer ensures that revenue streams remain diversified across venture financing, mergers and acquisitions, and litigation services. This leadership role involves analyzing market trends to identify new growth opportunities and strengthening relationships with key investment banks and private equity firms. By optimizing pricing models and service delivery, Gregory Phillips directly impacts the firm's profitability and long-term financial stability. Phillips coordinates with practice group leaders to align revenue targets with the firm's broader mission of supporting innovation. Through disciplined financial oversight and proactive market engagement, the Chief Revenue Officer secures the firm's position as a dominant force in the legal industry, consistently delivering value to clients and stakeholders.
    Gregory Phillips

    Lena Gunderman - Chief of Staff To the Managing Partner

    Lena Gunderman, the Chief of Staff To the Managing Partner at Wilson Sonsini, facilitates the execution of firm-wide strategic priorities and manages the operational flow of the executive office. Overseeing cross-departmental communication, the Chief of Staff To the Managing Partner ensures that the firm's leadership team remains aligned on critical initiatives, including regulatory compliance and internal policy development. This leadership role involves managing high-priority projects that span the firm's corporate law and litigation practices. By streamlining executive decision-making processes, Lena Gunderman directly impacts the firm's agility and responsiveness to client needs. Gunderman drives the implementation of organizational improvements that enhance operational efficiency across all offices. Through the coordination of complex administrative and strategic tasks, the Chief of Staff To the Managing Partner supports the firm's commitment to providing exceptional legal services to technology and growth enterprises, ensuring that leadership objectives translate into tangible results.

    Frequently Asked Questions Regarding Wilson Sonsini Top Executives and Leadership Team

    Who leads Wilson Sonsini?
    Wilson Sonsini is led by Caz Hashemi (Chief Executive Officer), along with executives such as Michael Lucas (Chief Technology Officer) and Jeffrey Lolley (Chief Information Officer).
    Who is part of Wilson Sonsini’s executive team?
    The executive team of Wilson Sonsini includes leaders such as Caz Hashemi (Chief Executive Officer), Michael Lucas (Chief Technology Officer), Jeffrey Lolley (Chief Information Officer) and other senior executives.
    How many executives does Wilson Sonsini have?
    Wilson Sonsini has 5 executives leading key business areas.
    What roles are included in Wilson Sonsini’s leadership team?
    The leadership team of Wilson Sonsini includes roles such as Chief Executive Officer, Chief Technology Officer, Chief Information Officer, Chief Revenue Officer, Chief of Staff To the Managing Partner.