Wilson Sonsini Executive and Leadership Team

November, 2026

Leadership Overview

Wilson Sonsini has 5 executives leading key functions including corporate strategy, technology infrastructure, revenue growth, information systems, and executive operations.

Committed to advancing the legal interests of technology and life sciences enterprises, Wilson Sonsini delivers comprehensive legal solutions to foster innovation and support growth across the global business lifecycle.

Leadership Roles at Wilson Sonsini

  • Chief Executive Officer - Caz Hashemi
  • Chief Technology Officer - Michael Lucas
  • Chief Revenue Officer - Gregory Phillips
  • Chief Information Officer - Jeffrey Lolley
  • 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 firm's commitment to technology and life sciences clients, the Chief Executive Officer ensures alignment between legal service delivery and the evolving needs of high-growth enterprises. This leadership role involves managing complex firm-wide operations and fostering relationships with venture capital and private equity partners. By prioritizing excellence in corporate law and litigation, Caz Hashemi drives the firm's reputation as a premier advisor for multinational corporations. The Chief Executive Officer maintains a focus on expanding the firm's influence across North American and international markets, ensuring that the legal practice remains at the forefront of industry developments. Through rigorous oversight of firm performance, Hashemi secures the stability and competitive edge necessary for sustained success in the legal sector.
    Caz Hashemi

    Michael Lucas - Chief Technology Officer

    Michael Lucas, the Chief Technology Officer at Wilson Sonsini, architects the digital infrastructure required to support complex legal workflows and secure client data. Overseeing the integration of advanced software solutions, the Chief Technology Officer ensures that the firm's technological capabilities match the sophisticated demands of technology pioneers and investment banks. This leadership role involves managing cybersecurity protocols and optimizing internal systems to enhance efficiency across all practice areas. By implementing cutting-edge tools for intellectual property management and regulatory compliance, Michael Lucas directly impacts the firm's ability to handle high-stakes technology disputes. The Chief Technology Officer drives digital transformation initiatives that streamline operations for attorneys and staff alike. Through the deployment of scalable technology platforms, Lucas supports the firm's mission to provide elite legal services to growth enterprises at every stage of the business lifecycle.

    Gregory Phillips - Chief Revenue Officer

    Gregory Phillips, the Chief Revenue Officer at Wilson Sonsini, manages the firm's financial growth strategies and client acquisition efforts. Overseeing the expansion of the firm's market presence, the Chief Revenue Officer ensures that business development activities align with the firm's expertise in venture financing and mergers and acquisitions. This leadership role involves analyzing market trends to identify new opportunities for revenue generation among startups and multinational corporations. By optimizing the client engagement process, Gregory Phillips drives the firm's financial performance and strengthens relationships with key investment banks. The Chief Revenue Officer coordinates with practice group leaders to ensure consistent delivery of high-value legal services. Through strategic planning and performance monitoring, Phillips secures the firm's position as a leader in the legal industry, ultimately supporting the long-term financial health and operational success of the entire organization.
    Gregory Phillips

    Jeffrey Lolley - Chief Information Officer

    Jeffrey Lolley, the Chief Information Officer at Wilson Sonsini, governs the firm's information management systems and data governance frameworks. Overseeing the integrity and accessibility of critical legal documentation, the Chief Information Officer ensures that the firm maintains rigorous standards for information security and regulatory compliance. This leadership role involves managing the firm's knowledge management platforms and optimizing data retrieval processes for complex litigation and corporate matters. By streamlining information flow, Jeffrey Lolley enhances the productivity of legal teams serving technology and life sciences clients. The Chief Information Officer drives initiatives to modernize data storage and retrieval, ensuring that the firm remains agile in a fast-paced legal environment. Through the effective management of information assets, Lolley supports the firm's commitment to providing accurate, timely, and secure legal counsel to a diverse range of global clients.

    Lena Gunderman - Chief of Staff To the Managing Partner

    Lena Gunderman, the Chief of Staff To the Managing Partner at Wilson Sonsini, coordinates executive operations and facilitates communication between firm leadership and practice groups. Overseeing the execution of strategic priorities, the Chief of Staff To the Managing Partner ensures that the firm's administrative and operational functions support the overarching goals of the partnership. This leadership role involves managing high-level projects, preparing executive briefings, and ensuring the efficient flow of information across the firm's various departments. By aligning internal resources with the firm's mission, Lena Gunderman drives operational excellence and supports the Managing Partner in navigating complex regulatory and corporate matters. The Chief of Staff To the Managing Partner maintains a focus on organizational efficiency, ensuring that the firm's leadership team remains cohesive and responsive to the needs of clients. Through meticulous coordination, Gunderman enables the firm to maintain its high standards of service.

    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 Gregory Phillips (Chief Revenue 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), Gregory Phillips (Chief Revenue 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 Revenue Officer, Chief Information Officer, Chief of Staff To the Managing Partner.