Leadership Overview
Winston & Strawn has 4 executives leading key functions including marketing, financial oversight, global operations, and administrative management.
Committed to excellence in international legal practice, Winston & Strawn delivers sophisticated counsel across antitrust, labor, and intellectual property sectors while maintaining a robust presence across global markets.
Committed to excellence in international legal practice, Winston & Strawn delivers sophisticated counsel across antitrust, labor, and intellectual property sectors while maintaining a robust presence across global markets.
Leadership Roles at Winston & Strawn
Raul Contreras - Deputy Chief Financial Officer
Raul Contreras, the Deputy Chief Financial Officer at Winston & Strawn, manages the firm's fiscal health and capital allocation strategies. Overseeing financial reporting and budgetary compliance across international offices, the Deputy Chief Financial Officer ensures the firm maintains liquidity to support complex litigation and transactional practices. This leadership role involves analyzing revenue streams from antitrust, labor, and employment law departments to optimize profitability. By implementing rigorous financial controls, Raul Contreras mitigates risk and enhances operational efficiency across the firm's global network. The Deputy Chief Financial Officer coordinates with the executive board to forecast long-term economic trends impacting the legal industry. Through the management of complex tax and environmental law financial portfolios, Contreras secures the firm's fiscal stability. This dedication to financial precision allows the firm to invest in talent and technology, ultimately driving sustainable growth and maintaining a strong market position within the global legal sector.
Amy Kotulski - Global Chief Operating Officer
Amy Kotulski, the Global Chief Operating Officer at Winston & Strawn, directs the firm's day-to-day operational infrastructure and cross-border service delivery. Overseeing the integration of legal practices across the United States, Europe, Asia, and the Middle East, the Global Chief Operating Officer ensures seamless collaboration between diverse legal teams. This leadership role involves streamlining workflows for antitrust, intellectual property, and tax law departments to maximize billable efficiency. By architecting scalable operational frameworks, Amy Kotulski supports the firm's commitment to providing high-quality counsel in complex international matters. The Global Chief Operating Officer works closely with the executive team to align internal processes with the firm's overarching strategic goals. Through the optimization of resource allocation and technology adoption, Kotulski enhances the firm's ability to handle large-scale environmental and labor law cases. This focus on operational excellence drives the firm's ability to deliver consistent results for clients across all global jurisdictions.
Barbara Sessions - Partner and Chief Marketing Officer
Barbara Sessions, the Partner and Chief Marketing Officer at Winston & Strawn, directs all global brand positioning and business development initiatives. Overseeing the firm's market presence across the United States, Europe, Asia, and the Middle East, the Chief Marketing Officer aligns promotional strategies with the complex needs of antitrust and intellectual property clients. This leadership role involves architecting digital engagement platforms that elevate the firm's reputation among international legal practitioners. By integrating data-driven insights into client acquisition workflows, Barbara Sessions ensures consistent growth in competitive legal landscapes. The Chief Marketing Officer collaborates with practice group leaders to refine messaging for environmental and tax law sectors. Through the implementation of targeted outreach programs, Sessions strengthens the firm's competitive advantage. This strategic focus on brand equity supports the long-term expansion of the firm's global footprint while maintaining the high standards expected of a premier international legal institution.
Mark Stull - Chief Administrative Officer
Mark Stull, the Chief Administrative Officer at Winston & Strawn, manages the firm's internal infrastructure, facilities, and administrative support systems. Overseeing the logistical requirements of offices across the United States, Europe, Asia, and the Middle East, the Chief Administrative Officer ensures that legal teams possess the necessary resources to execute complex antitrust and intellectual property mandates. This leadership role involves optimizing office space utilization and administrative workflows to support the firm's global workforce. By implementing efficient support structures, Mark Stull enhances the productivity of attorneys working in labor, employment, and environmental law. The Chief Administrative Officer collaborates with other C-suite leaders to ensure that administrative policies align with the firm's long-term growth objectives. Through the management of firm-wide administrative services, Stull maintains the professional environment required for high-stakes legal practice. This focus on administrative excellence supports the firm's ability to attract top-tier talent and maintain a competitive edge in the international legal market.
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