CohnReznick Executive and Leadership Team

Kelly O'Callaghan, the Chief Executive Officer at CohnReznick, directs the firm's overarching strategic vision and national market expansion. Overseeing the integration of accounting, tax, and advisory services, the Chief Executive Officer ensures that the organization maintains a competitive edge within the United States business environment. Kelly O'Callaghan drives the firm's commitment to providing hands-on, agile solutions that address the evolving needs of diverse industry clients. By fostering a culture of innovation and excellence, the Chief Executive Officer aligns internal resources with the complex demands of modern enterprises. This leadership role involves constant collaboration with the Board to refine long-term growth objectives and operational efficiency. Through O'Callaghan's guidance, the firm continues to leverage its membership in Nexia International to deliver global insights while maintaining a strong, localized impact across all domestic service lines.

Thomas Marino, the Co Chief Executive Officer at CohnReznick, manages the firm's operational execution and client service delivery models. Focusing on the intersection of tax and advisory excellence, the Co Chief Executive Officer architects frameworks that allow the firm to scale effectively while maintaining high-touch client relationships. Thomas Marino drives the implementation of growth strategies that capitalize on the firm's deep industry expertise. By overseeing the alignment of service lines with market opportunities, the Co Chief Executive Officer ensures that the organization remains responsive to the dynamic needs of the business community. This role requires constant coordination with other executive leaders to optimize resource allocation and service quality. Through Marino's leadership, the firm strengthens its position as a premier provider of professional services, consistently delivering the insight and experience necessary for clients to seize new growth opportunities across the national landscape.

Kate Peachway, the Chief Financial Officer at CohnReznick, manages the firm's internal financial health, capital allocation, and fiscal strategy. Overseeing the financial planning and analysis functions, the Chief Financial Officer ensures that the organization maintains the stability required to support its national growth objectives. Kate Peachway drives the development of robust financial reporting systems that provide transparency and support data-driven decision-making across all service lines. By managing the firm's fiscal resources, the Chief Financial Officer enables the organization to invest in the technology and talent necessary to maintain its competitive advantage. This leadership role involves constant interaction with the executive team to align financial performance with the firm's overarching mission of providing agile, high-quality advisory services. Through Peachway's oversight, the firm secures the financial foundation needed to continue delivering exceptional value to clients across the United States.

Catherine Tran, the Director, Chief Financial Officer Advisory, and Business & Finance Transformation, CohnReznick Advisory LLC at CohnReznick, leads specialized engagements focused on optimizing financial operations for client organizations. Overseeing the transformation of finance functions, the Director, Chief Financial Officer Advisory, and Business & Finance Transformation, CohnReznick Advisory LLC ensures that clients implement robust, scalable financial processes. Catherine Tran drives the delivery of advisory services that help businesses improve their reporting, budgeting, and overall financial health. By managing complex transformation projects, the Director, Chief Financial Officer Advisory, and Business & Finance Transformation, CohnReznick Advisory LLC supports the firm's mission to provide hands-on, agile solutions. This role involves working closely with client leadership to align financial strategies with long-term growth goals. Through Tran's expertise, the firm delivers the critical experience required for organizations to navigate financial complexity and achieve operational excellence.

Swami Venkat, the Partner, Chief Financial Officer and CxO Advisory Leader at CohnReznick, provides strategic guidance to executive teams seeking to enhance their financial and operational performance. Overseeing the firm's CxO advisory practice, the Partner, Chief Financial Officer and CxO Advisory Leader ensures that clients receive high-level insights tailored to their specific industry challenges. Swami Venkat drives the development of advisory frameworks that help organizations navigate complex financial landscapes and seize growth opportunities. By managing high-impact consulting engagements, the Partner, Chief Financial Officer and CxO Advisory Leader supports the firm's commitment to delivering deep, hands-on expertise. This role involves collaborating with other firm leaders to expand the advisory service portfolio and strengthen client relationships. Through Venkat's leadership, the firm provides the essential guidance that enables businesses to break through barriers and achieve sustainable success.

Risa Lavine, the Chief of Staff at CohnReznick, coordinates the strategic priorities of the executive leadership team to ensure operational alignment and efficiency. Overseeing the execution of firm-wide initiatives, the Chief of Staff facilitates communication between departments to streamline the delivery of accounting, tax, and advisory services. Risa Lavine drives the implementation of organizational processes that support the firm's agile approach to client engagement. By managing the flow of information and project timelines, the Chief of Staff enables the executive team to focus on high-level strategy and market expansion. This role involves constant collaboration with various leaders to resolve operational bottlenecks and foster a cohesive work environment. Through Lavine's efforts, the firm maintains the internal agility required to provide clients with the deep resources and hands-on experience that define the organization's market impact.

Justin Ricketts, the Chief Technology Officer at CohnReznick, directs the firm's digital transformation and technology infrastructure strategy. Overseeing the development of secure, scalable platforms, the Chief Technology Officer ensures that the firm's accounting and advisory services are supported by cutting-edge digital tools. Justin Ricketts drives the integration of advanced data analytics and automation to enhance the efficiency and accuracy of client engagements. By managing the firm's technology roadmap, the Chief Technology Officer enables the organization to remain agile and responsive to the evolving needs of the business environment. This leadership role involves close collaboration with other executives to align technological capabilities with the firm's growth objectives. Through Ricketts's guidance, the firm leverages technology to provide clients with the deep insights and innovative solutions necessary to seize growth opportunities in a digital-first economy.

Debbrata Das, the Chief Technology Officer & Head of Infrastructure, Data, Architecture & Operations at CohnReznick, manages the firm's core technical architecture and data management systems. Overseeing the stability and security of the firm's operational infrastructure, the Chief Technology Officer & Head of Infrastructure, Data, Architecture & Operations ensures that all internal and client-facing systems function with maximum efficiency. Debbrata Das drives the implementation of robust data governance and architectural standards that support the firm's advisory and accounting services. By managing the firm's technical operations, the Chief Technology Officer & Head of Infrastructure, Data, Architecture & Operations enables the organization to maintain its agile approach to service delivery. This role involves constant coordination with the technology team to optimize performance and support the firm's national growth. Through Das's leadership, the firm maintains a secure and high-performing technical foundation for all client engagements.

Michelle Voyer, the Managing Director at CohnReznick, leads specialized advisory initiatives focused on enhancing client operational performance and financial health. Overseeing the delivery of complex tax and accounting solutions, the Managing Director ensures that the firm's deep resources translate into actionable insights for diverse industry sectors. Michelle Voyer drives the development of client-centric strategies that address specific market challenges and regulatory requirements. By managing high-impact engagements, the Managing Director supports the firm's mission to provide agile, hands-on guidance in a dynamic business environment. This leadership role involves mentoring professional teams and fostering collaborative relationships with key stakeholders to ensure consistent service excellence. Through Voyer's expertise, the firm maintains its reputation for delivering high-value advisory services that help organizations break through barriers and achieve long-term success within the competitive United States market.

Bryan DaCanal, the Managing Director at CohnReznick, focuses on the expansion of the firm's service portfolio through strategic business development and client relationship management. Overseeing the execution of complex advisory projects, the Managing Director ensures that the firm's national resources are effectively deployed to meet the unique needs of diverse industry clients. Bryan DaCanal drives the firm's efforts to identify and capture growth opportunities by providing tailored accounting and tax solutions. By managing cross-functional teams, the Managing Director facilitates the delivery of high-quality, agile services that help businesses navigate economic shifts. This role involves close collaboration with other leaders to refine service offerings and enhance the firm's market presence. Through DaCanal's leadership, the organization continues to provide the critical insight and experience required for clients to thrive in an increasingly complex and demanding global business landscape.