Cognizant Executive and Leadership Team

May, 2026

Leadership Overview

Cognizant has 10 executives leading key functions including finance, technology, and operations.

Driven by innovation, Cognizant is dedicated to transforming businesses through expert consulting, technology services, and outsourcing, fostering operational excellence and customer-centric solutions across global markets.

Leadership Roles at Cognizant

  • Deputy Chief Financial Officer - Ahmed Koshak
  • Chief Financial Officer, Apj - Ajit Nahata
  • Head Chief Operating Officer, Business Finance -Ioa Health Sciences Products & Resources Finance & Accounting - Umesh Musahib
  • Global Chief Operating Officer, Logo & Large Deal Team (Americas) - Marcelo Harmuch
  • Manager, Talent Management & Associate Chief Human Resources Officer - Ahmed Hassan
  • Chief Technology Officer, Chief Technologist & Futurist (Retail) - Klarissa Marenitch
  • Leader, IoT Chief Technology Officer Group - Ashish Joshi
  • Chief of Staff, TriZetto BU - Jennifer Dowling
  • Chief Technology Officer & Architect - Arlen Duncan
  • Chief Technology Officer, Trizetto - Scott Johnson
  • Ahmed Koshak - Deputy Chief Financial Officer

    Ahmed Koshak, the Deputy Chief Financial Officer at Cognizant, plays a crucial role in supporting the financial strategy and operational integrity of the organization. This position involves assisting the Chief Financial Officer in managing the company's financial planning, budgeting, forecasting, and reporting processes. Koshak's responsibilities include overseeing financial analysis, identifying key performance indicators, and ensuring compliance with financial regulations across global operations. The role demands a comprehensive understanding of financial markets, investment strategies, and risk management to support sustainable growth. By contributing to robust financial governance and strategic fiscal planning, Ahmed Koshak directly supports Cognizant's ability to execute its business objectives and maintain financial stability in a dynamic global marketplace.

    Ajit Nahata - Chief Financial Officer, Apj

    Ajit Nahata, the Chief Financial Officer, Apj at Cognizant, directs the financial operations and strategic fiscal planning for the Asia-Pacific region. This executive role is responsible for managing all aspects of financial management, including accounting, financial reporting, budgeting, and treasury functions within the APJ territory. Nahata's leadership ensures that financial strategies are aligned with regional business objectives and contribute to the overall profitability and growth of Cognizant. The position requires a deep understanding of local market dynamics, regulatory environments, and economic conditions across the Asia-Pacific landscape. By providing critical financial oversight and strategic guidance, Ajit Nahata supports the expansion and operational success of Cognizant's business operations in this key global market.

    Umesh Musahib - Head Chief Operating Officer, Business Finance -Ioa Health Sciences Products & Resources Finance & Accounting

    Umesh Musahib, the Head Chief Operating Officer, Business Finance -Ioa Health Sciences Products & Resources Finance & Accounting at Cognizant, directs critical financial operations across the Health Sciences, Products, and Resources segments. This leadership role involves overseeing business finance functions, ensuring robust financial planning, analysis, and reporting to support strategic decision-making. Musahib's responsibilities extend to driving operational improvements within finance and accounting, aligning financial strategies with the company's broader objectives in areas like digital lending and next-generation payments. The scope of this position demands a deep understanding of the financial intricacies within healthcare, manufacturing, and resource management sectors, ensuring fiscal discipline and growth. Umesh Musahib's strategic oversight contributes directly to the financial health and operational efficiency of these key business units, reinforcing Cognizant's commitment to delivering value through integrated services.

    Marcelo Harmuch - Global Chief Operating Officer, Logo & Large Deal Team (Americas)

    Marcelo Harmuch, the Global Chief Operating Officer, Logo & Large Deal Team (Americas) at Cognizant, directs the operational execution and strategic management of significant client engagements across the Americas. This senior leadership position is responsible for ensuring the successful delivery of complex, large-scale projects, often involving multi-faceted technology and outsourcing solutions. Harmuch's oversight encompasses the coordination of global teams, resource allocation, and risk management to guarantee client satisfaction and project profitability. The focus on the 'Logo & Large Deal Team' signifies a critical role in securing and executing high-value contracts that are central to Cognizant's growth strategy. By optimizing operational processes and fostering strong client relationships, Marcelo Harmuch drives operational excellence and reinforces Cognizant's market leadership in delivering transformative business solutions.

    Ahmed Hassan - Manager, Talent Management & Associate Chief Human Resources Officer

    Ahmed Hassan, the Manager, Talent Management & Associate Chief Human Resources Officer at Cognizant, spearheads initiatives focused on human capital development and strategic HR operations. This role is pivotal in shaping the company's talent pipeline, ensuring the attraction, retention, and growth of skilled professionals across all business segments. Hassan's purview includes the design and implementation of talent management programs, performance management systems, and leadership development frameworks. The position also involves supporting the Chief Human Resources Officer in executing HR strategies that align with Cognizant's global business objectives, particularly in fostering an inclusive and high-performing work environment. By focusing on associate well-being and career progression, Ahmed Hassan directly impacts the company's ability to deliver cutting-edge consulting and technology services, ensuring a motivated and capable workforce drives client success.

    Klarissa Marenitch - Chief Technology Officer, Chief Technologist & Futurist (Retail)

    Klarissa Marenitch, the Chief Technology Officer, Chief Technologist & Futurist (Retail) at Cognizant, drives technological innovation and future-forward strategy specifically within the retail sector. This executive position involves identifying emerging technologies and trends that will shape the future of retail operations, customer engagement, and supply chain management. Marenitch's expertise guides the development of advanced solutions in areas such as digital transformation, personalized customer experiences, and the integration of AI and automation. The role demands a forward-looking perspective, anticipating market shifts and advising clients on how to leverage technology for competitive advantage. By charting the technological course for retail clients, Klarissa Marenitch ensures Cognizant remains at the forefront of delivering impactful digital solutions that enhance efficiency and drive growth in this dynamic industry.

    Ashish Joshi - Leader, IoT Chief Technology Officer Group

    Ashish Joshi, the Leader, IoT Chief Technology Officer Group at Cognizant, spearheads the strategic direction and technological advancement of Internet of Things (IoT) solutions. This executive role focuses on developing and deploying innovative IoT strategies that drive operational efficiency and create new business opportunities for clients across various industries, including manufacturing, automotive, and energy. Joshi's leadership involves guiding the technical teams in architecting scalable and secure IoT platforms, integrating data analytics, and leveraging AI to unlock the full potential of connected devices. The position requires a deep understanding of emerging IoT technologies and their application in transforming business processes. By leading the IoT CTO Group, Ashish Joshi ensures Cognizant delivers state-of-the-art solutions that enable clients to harness the power of connected systems for enhanced performance and market competitiveness.

    Jennifer Dowling - Chief of Staff, TriZetto BU

    Jennifer Dowling, the Chief of Staff, TriZetto BU at Cognizant, provides strategic support and operational coordination for the TriZetto Business Unit. This executive position involves working closely with the BU leadership to drive strategic initiatives, manage key projects, and ensure alignment across various functional areas. Dowling's responsibilities include facilitating communication, optimizing operational workflows, and supporting the execution of the business unit's strategic plan. The role demands a broad understanding of the healthcare IT landscape, particularly within the TriZetto portfolio, which focuses on solutions for payers and providers. By enhancing operational efficiency and strategic focus, Jennifer Dowling directly contributes to the success and growth of the TriZetto Business Unit within Cognizant's Health Sciences segment.

    Arlen Duncan - Chief Technology Officer & Architect

    Arlen Duncan, the Chief Technology Officer & Architect at Cognizant, leads the technological vision and architectural design for complex client solutions. This executive role focuses on defining and implementing robust, scalable, and innovative technology architectures that address critical business challenges across various industries. Duncan's expertise spans a wide range of technologies, enabling the creation of cutting-edge solutions in areas such as cloud computing, data analytics, and digital transformation. The position requires a deep technical understanding and the ability to translate business requirements into effective technological strategies. By architecting advanced technology frameworks, Arlen Duncan ensures Cognizant delivers high-performance, future-ready solutions that drive client success and technological advancement.

    Scott Johnson - Chief Technology Officer, Trizetto

    Scott Johnson, the Chief Technology Officer, Trizetto at Cognizant, directs the technological strategy and innovation for the TriZetto Business Unit, a key player in healthcare IT solutions. This leadership role involves overseeing the development and implementation of advanced technology platforms and services that support healthcare payers and providers. Johnson's responsibilities include driving technological advancements in areas such as claims processing, member management, and revenue cycle management, ensuring solutions are compliant, efficient, and scalable. The position requires a profound understanding of the healthcare industry's complex regulatory and operational landscape. By leading technological innovation within TriZetto, Scott Johnson ensures Cognizant delivers transformative solutions that enhance operational effectiveness and patient care outcomes.

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    Frequently Asked Questions Regarding Cognizant Top Executives and Leadership Team

    Who leads Cognizant?
    Cognizant is led by Ahmed Koshak (Deputy Chief Financial Officer), along with executives such as Ajit Nahata (Chief Financial Officer, Apj) and Umesh Musahib (Head Chief Operating Officer, Business Finance -Ioa Health Sciences Products & Resources Finance & Accounting).
    Who is part of Cognizant’s executive team?
    The executive team of Cognizant includes leaders such as Ahmed Koshak (Deputy Chief Financial Officer), Ajit Nahata (Chief Financial Officer, Apj), Umesh Musahib (Head Chief Operating Officer, Business Finance -Ioa Health Sciences Products & Resources Finance & Accounting) and other senior executives.
    How many executives does Cognizant have?
    Cognizant has 10 executives leading key business areas.
    What roles are included in Cognizant’s leadership team?
    The leadership team of Cognizant includes roles such as Deputy Chief Financial Officer, Chief Financial Officer, Apj, Head Chief Operating Officer, Business Finance -Ioa Health Sciences Products & Resources Finance & Accounting, Global Chief Operating Officer, Logo & Large Deal Team (Americas), Manager, Talent Management & Associate Chief Human Resources Officer.