Sigma Software Executive and Leadership Team

October, 2026

Leadership Overview

Sigma Software has 4 executives leading key functions including corporate strategy, North American market expansion, foundational business development, and information technology infrastructure.

Focused on delivering high-quality software development services across diverse global sectors, Sigma Software maintains a commitment to technical excellence and client-centric innovation while driving digital transformation for international partners.

Leadership Roles at Sigma Software

  • Chief Executive Officer - John Kuzma
  • Chief Executive Officer (North America) - Filip Rosander
  • Chief Executive Officer & Co-Founder - Valery Krasovsky
  • Chief Information Officer - Julia Nilga
  • John Kuzma - Chief Executive Officer

    John Kuzma, the Chief Executive Officer at Sigma Software, directs the overarching corporate strategy and long-term vision for the organization. Kuzma manages the alignment of software development services with evolving market demands across various industrial sectors. By overseeing high-level operational efficiency, the Chief Executive Officer ensures that internal processes support the delivery of complex technical solutions to a global client base. This leadership role involves constant collaboration with the board to refine business models and maintain competitive positioning within the technology consulting landscape. John Kuzma actively monitors performance metrics to guarantee that service quality remains consistent with industry standards. Through the implementation of rigorous management frameworks, the Chief Executive Officer fosters a culture of continuous improvement and technical excellence. Ultimately, Kuzma secures the stability and growth of the firm by navigating the complexities of the international software development market.

    Filip Rosander - Chief Executive Officer (North America)

    Filip Rosander, the Chief Executive Officer (North America) at Sigma Software, drives all strategic initiatives and business development efforts across the North American region. Rosander architects localized growth plans to expand the footprint of software development services within this critical market. Overseeing regional client relationships, the Chief Executive Officer (North America) ensures that service delivery meets the specific regulatory and operational requirements of North American enterprises. This leadership role involves coordinating with global teams to synchronize service offerings with regional demand patterns. Filip Rosander actively cultivates partnerships to increase market share and brand visibility. By optimizing regional sales funnels and client engagement strategies, the Chief Executive Officer (North America) directly impacts the revenue trajectory of the company. Ultimately, Rosander secures a dominant position for the firm by bridging the gap between global technical capabilities and the unique needs of North American clients.
    Filip Rosander

    Valery Krasovsky - Chief Executive Officer & Co-Founder

    Valery Krasovsky, the Chief Executive Officer & Co-Founder at Sigma Software, defines the foundational mission and core values that guide the company. Krasovsky oversees the integration of innovative software development methodologies into the firm's service portfolio. As the Chief Executive Officer & Co-Founder, Krasovsky maintains the integrity of the organizational culture while steering the company through complex technological shifts. This leadership role involves deep engagement with long-term product development cycles and the cultivation of high-level industry alliances. Valery Krasovsky ensures that the company remains at the forefront of technical consulting by championing research and development initiatives. By balancing legacy expertise with emerging digital trends, the Chief Executive Officer & Co-Founder drives sustainable growth and operational resilience. Ultimately, Krasovsky secures the future of the organization by fostering an environment where technical talent thrives and client expectations are consistently exceeded.

    Julia Nilga - Chief Information Officer

    Julia Nilga, the Chief Information Officer at Sigma Software, directs the internal technology infrastructure and digital security protocols that support global operations. Nilga architects scalable IT systems to ensure seamless collaboration across international teams. Overseeing the implementation of advanced data management tools, the Chief Information Officer ensures that all software development projects benefit from robust and secure technical environments. This leadership role involves managing the digital transformation of internal workflows to increase productivity and data integrity. Julia Nilga actively monitors cybersecurity threats to protect proprietary information and client assets. By optimizing the technological stack, the Chief Information Officer directly supports the efficiency of the entire organization. Ultimately, Nilga secures the firm's operational backbone by maintaining high-performance systems that enable the delivery of sophisticated software solutions to a diverse and demanding global clientele.
    Julia Nilga

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    Frequently Asked Questions Regarding Sigma Software Top Executives and Leadership Team

    Who leads Sigma Software?
    Sigma Software is led by John Kuzma (Chief Executive Officer), along with executives such as Filip Rosander (Chief Executive Officer (North America)) and Valery Krasovsky (Chief Executive Officer & Co-Founder).
    Who is part of Sigma Software’s executive team?
    The executive team of Sigma Software includes leaders such as John Kuzma (Chief Executive Officer), Filip Rosander (Chief Executive Officer (North America)), Valery Krasovsky (Chief Executive Officer & Co-Founder) and other senior executives.
    How many executives does Sigma Software have?
    Sigma Software has 4 executives leading key business areas.
    What roles are included in Sigma Software’s leadership team?
    The leadership team of Sigma Software includes roles such as Chief Executive Officer, Chief Executive Officer (North America), Chief Executive Officer & Co-Founder, Chief Information Officer.