Wilson Sonsini Executive and Leadership Team

September, 2026

Leadership Overview

Wilson Sonsini has 6 executives leading key functions including strategy, revenue growth, technology infrastructure, information systems, financial management, and operational coordination.

Committed to advancing the legal interests of technology and life sciences innovators, Wilson Sonsini delivers comprehensive counsel to growth enterprises while maintaining a global standard for excellence in corporate law and complex litigation.

Leadership Roles at Wilson Sonsini

  • Chief Executive Officer - Caz Hashemi
  • Chief Financial Officer - Victor Nunez
  • Chief Revenue Officer - Gregory Phillips
  • Chief Technology Officer - Michael Lucas
  • 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 expansion of legal services across North American and international markets, the Chief Executive Officer ensures alignment between practice groups and the evolving needs of technology and life sciences clients. This leadership role involves managing high-level relationships with venture capital firms and multinational corporations to secure the firm's market position. By fostering a culture of innovation and excellence, Caz Hashemi drives the firm's commitment to providing sophisticated counsel for initial public offerings and complex mergers. The Chief Executive Officer maintains rigorous standards for professional development and operational efficiency, ensuring the firm remains a premier advisor for growth enterprises at every stage of the business lifecycle while navigating intricate regulatory landscapes.
    Caz Hashemi

    Victor Nunez - Chief Financial Officer

    Victor Nunez, the Chief Financial Officer at Wilson Sonsini, directs the firm's financial planning, reporting, and capital allocation strategies. Overseeing the fiscal health of the organization, the Chief Financial Officer manages budgeting processes and investment decisions that support the firm's growth in the technology and life sciences sectors. This role involves monitoring financial performance across various practice groups and geographic regions to ensure long-term stability. By implementing rigorous financial controls, Victor Nunez supports the firm's ability to provide consistent, high-quality legal services to clients ranging from startups to multinational corporations. The Chief Financial Officer collaborates with the executive team to evaluate the financial impact of strategic initiatives, including mergers and acquisitions. Through prudent fiscal management and transparent reporting, the Chief Financial Officer ensures the firm maintains the resources necessary to excel in the competitive legal market and sustain its reputation for excellence.
    Victor Nunez

    Gregory Phillips - Chief Revenue Officer

    Gregory Phillips, the Chief Revenue Officer at Wilson Sonsini, architects the firm's commercial strategy and client acquisition frameworks. Managing the integration of business development efforts across diverse practice areas, the Chief Revenue Officer optimizes revenue streams from startups to established multinational corporations. This role involves analyzing market trends in venture financing and intellectual property to identify new growth opportunities. By aligning service delivery with client demand, Gregory Phillips ensures the firm captures significant market share in the competitive legal landscape. The Chief Revenue Officer collaborates with practice leaders to refine pricing models and service packages, enhancing the firm's value proposition for technology pioneers. Through data-driven insights and strategic outreach, the Chief Revenue Officer secures the financial health of the firm, supporting sustained profitability and the continued delivery of high-impact legal solutions for global growth enterprises.
    Gregory Phillips

    Michael Lucas - Chief Technology Officer

    Michael Lucas, the Chief Technology Officer at Wilson Sonsini, directs the development and implementation of advanced digital solutions to support the firm's legal practice. Overseeing the integration of cutting-edge software and secure platforms, the Chief Technology Officer ensures that attorneys possess the tools necessary for managing complex litigation and intellectual property disputes. This leadership role involves architecting scalable infrastructure that protects sensitive client data while facilitating seamless collaboration across global offices. By leveraging emerging technologies, Michael Lucas drives operational efficiency and enhances the firm's ability to handle large-scale document discovery and regulatory filings. The Chief Technology Officer maintains a focus on cybersecurity and digital transformation, ensuring the firm remains at the forefront of legal technology. Through continuous innovation, the Chief Technology Officer supports the firm's mission to provide efficient, high-quality legal services to technology and life sciences enterprises.

    Jeffrey Lolley - Chief Information Officer

    Jeffrey Lolley, the Chief Information Officer at Wilson Sonsini, manages the firm's information architecture and data governance strategies. Overseeing the lifecycle of internal systems and knowledge management platforms, the Chief Information Officer ensures that legal teams access critical information with speed and precision. This role involves streamlining workflows for corporate law and securities practice groups, enabling efficient handling of complex business transactions. By optimizing information flow, Jeffrey Lolley supports the firm's ability to provide timely counsel to startups and multinational corporations. The Chief Information Officer collaborates with leadership to implement robust data policies that meet international regulatory standards. Through the maintenance of reliable and secure information systems, the Chief Information Officer facilitates the firm's operational success. Jeffrey Lolley ensures that the firm's technological foundation remains resilient, allowing for the seamless execution of legal services across all stages of the client business lifecycle.

    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 across the firm's leadership team. Overseeing the execution of strategic priorities, the Chief of Staff To the Managing Partner ensures that the firm's initiatives align with the overarching mission of serving technology and life sciences enterprises. This role involves managing complex projects and cross-functional workflows that support the firm's corporate law and litigation practices. By streamlining administrative processes and enhancing internal collaboration, Lena Gunderman drives operational efficiency at the highest level of the firm. The Chief of Staff To the Managing Partner acts as a central point of contact for key stakeholders, ensuring that leadership decisions are implemented effectively across all offices. Through meticulous planning and organizational oversight, the Chief of Staff To the Managing Partner supports the firm's ability to deliver exceptional legal counsel to clients at every stage of their business lifecycle.

    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 Victor Nunez (Chief Financial 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), Victor Nunez (Chief Financial Officer), Gregory Phillips (Chief Revenue Officer) and other senior executives.
    How many executives does Wilson Sonsini have?
    Wilson Sonsini has 6 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 Financial Officer, Chief Revenue Officer, Chief Technology Officer, Chief Information Officer.