OCLC Executive and Leadership Team

June, 2026

Leadership Overview

OCLC has 4 executives leading key functions including marketing, human resources, finance, legal, and operations.

Driven by a commitment to shared technology, OCLC empowers libraries globally through its cooperative services, fostering knowledge access and community engagement.

Leadership Roles at OCLC

  • Chief Financial Officer & Treasurer - William Rozek
  • Chief Marketing Officer & Chief Human Resources Officer - Tammi Spayde
  • Chief Legal Officer - Julie Presas
  • Chief Operations Officer - Andrew Bordas
  • William Rozek - Chief Financial Officer & Treasurer

    William Rozek, the Chief Financial Officer & Treasurer at OCLC, manages the organization's financial health and fiscal strategy. Rozek oversees all accounting operations, financial planning, and reporting, ensuring fiscal responsibility for the not-for-profit membership organization. As Treasurer, this executive directs treasury operations, manages investment portfolios, and safeguards the financial assets of OCLC. William Rozek's leadership ensures the sustainable funding of shared technology services provided to a global cooperative of libraries. This role is critical in maintaining the financial integrity necessary for OCLC's long-term mission of advancing library services and knowledge sharing worldwide. Rozek's oversight supports strategic investments in technology and operational efficiency.

    Tammi Spayde - Chief Marketing Officer & Chief Human Resources Officer

    Tammi Spayde, the Chief Marketing Officer & Chief Human Resources Officer at OCLC, directs global brand strategy and talent management initiatives. Overseeing all marketing communications, Spayde ensures consistent messaging across diverse library cooperatives, driving engagement with OCLC's shared technology services. Simultaneously, this executive leads human resources functions, cultivating a robust organizational culture and developing strategic workforce plans to support OCLC's mission. Tammi Spayde's dual role integrates external market positioning with internal operational strength, ensuring the organization attracts and retains top talent while effectively communicating its value proposition to a worldwide network of libraries. This leadership ensures alignment between employee development and the strategic goals of the not-for-profit membership organization.
    Julie Presas, the Chief Legal Officer at OCLC, provides strategic legal counsel and oversees all legal affairs for the organization. Presas manages corporate governance, compliance, and risk management, ensuring OCLC operates within all applicable legal frameworks. This executive advises leadership on contractual agreements, intellectual property, and regulatory matters pertinent to OCLC's global cooperative of libraries. Julie Presas's expertise safeguards the organization's interests as it delivers shared technology services. The Chief Legal Officer's role is integral to maintaining trust and ethical standards across OCLC's international operations, supporting the not-for-profit's mission to advance library services and knowledge access worldwide. Presas ensures legal compliance for all technology-related initiatives.

    Andrew Bordas - Chief Operations Officer

    Andrew Bordas, the Chief Operations Officer at OCLC, directs the execution of operational strategies and oversees the delivery of shared technology services. Bordas manages the day-to-day operations, ensuring efficiency and reliability for OCLC's global cooperative of libraries. This executive leads teams responsible for service delivery, infrastructure management, and operational excellence, directly impacting the user experience for member libraries worldwide. Andrew Bordas's focus is on optimizing processes and resource allocation to support OCLC's mission of advancing library services. The Chief Operations Officer's leadership ensures the seamless functioning of the technology platforms that empower libraries to share resources and knowledge effectively. Bordas drives operational improvements across all service areas.
    Andrew Bordas

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    Frequently Asked Questions Regarding OCLC Top Executives and Leadership Team

    Who leads OCLC?
    OCLC is led by William Rozek (Chief Financial Officer & Treasurer), along with executives such as Tammi Spayde (Chief Marketing Officer & Chief Human Resources Officer) and Julie Presas (Chief Legal Officer).
    Who is part of OCLC’s executive team?
    The executive team of OCLC includes leaders such as William Rozek (Chief Financial Officer & Treasurer), Tammi Spayde (Chief Marketing Officer & Chief Human Resources Officer), Julie Presas (Chief Legal Officer) and other senior executives.
    How many executives does OCLC have?
    OCLC has 4 executives leading key business areas.
    What roles are included in OCLC’s leadership team?
    The leadership team of OCLC includes roles such as Chief Financial Officer & Treasurer, Chief Marketing Officer & Chief Human Resources Officer, Chief Legal Officer, Chief Operations Officer.