Leadership Overview
Sigma Software has 4 executives leading key functions including strategy, information technology, and finance.
Driven by a commitment to innovation, Sigma Software provides comprehensive software development services across diverse sectors, shaping technological advancements from its base in Kharkiv, Ukraine.
Driven by a commitment to innovation, Sigma Software provides comprehensive software development services across diverse sectors, shaping technological advancements from its base in Kharkiv, Ukraine.
Leadership Roles at Sigma Software
John Kuzma - Chief Executive Officer
John Kuzma, the Chief Executive Officer at Sigma Software, directs the company's overall strategic vision and operational execution. Overseeing all business units, the Chief Executive Officer ensures alignment with the company's mission to deliver high-quality software development services. This leadership role involves navigating market dynamics and fostering innovation within the technology consulting sector. By driving strategic partnerships and expanding service offerings, John Kuzma directly impacts Sigma Software's growth trajectory. Ultimately, Kuzma secures the company's competitive position and long-term financial health.
Kate Kolomiets - Deputy Chief Financial Officer
Kate Kolomiets, the Deputy Chief Financial Officer at Sigma Software, supports the financial strategy and fiscal management of the organization. Overseeing key financial operations, the Deputy Chief Financial Officer ensures accurate reporting, budget adherence, and efficient resource allocation across departments. This position involves analyzing financial data to identify trends and opportunities for cost optimization and revenue enhancement. By collaborating with the Chief Financial Officer and other executives, Kate Kolomiets directly influences investment decisions and financial planning. Ultimately, Kolomiets strengthens Sigma Software's financial resilience and supports sustainable business growth.
Kate Gribanova - Deputy Chief Financial Officer
Kate Gribanova, the Deputy Chief Financial Officer at Sigma Software, contributes to the company's financial planning and risk management frameworks. Overseeing specific financial reporting functions, the Deputy Chief Financial Officer ensures compliance with regulatory standards and internal controls. This role involves detailed analysis of financial statements and the development of forecasts to guide strategic decision-making. By partnering with the finance team and executive leadership, Kate Gribanova directly supports the optimization of financial performance. Ultimately, Gribanova enhances the transparency and integrity of Sigma Software's financial operations.
Julia Nilga - Chief Information Officer
Julia Nilga, the Chief Information Officer at Sigma Software, architects the company's technology infrastructure and information security protocols. Overseeing all IT operations, the Chief Information Officer ensures the seamless integration of digital tools and platforms that support client service delivery. This critical role involves managing data integrity, enhancing system performance, and safeguarding sensitive client information. By implementing advanced technological solutions, Julia Nilga directly contributes to Sigma Software's operational efficiency and client trust. Ultimately, Nilga drives the digital transformation initiatives essential for maintaining a leading edge in software development services.

Explore Leadership Teams in Business Services
CGS is a global provider of software applications, enterprise learning, immersive technologies, customer experience and call center outsourcing services. CGS is wholly focused on creating comprehensive solutions that meet clients complex, multi-dimensional needs and support clients most fundamental business activities. Headquartered in New York City, CGS has offices across North America, South America, Europe, the Middle East, and Asia.
Company Leadership DC
PC

Founded in 2018, Verra Mobility provides traffic safety photo enforcement and automated toll collection programs for metropolitan municipal clients. It offers technology and business solutions for photo traffic safety and electronic toll enforcement programs. Verra Mobility is headquartered in Mesa, Arizona.
Company Leadership JT


GH
ThoughWorks is a global technology, software design and delivery provider. They also offer tools and consulting services. ThoughWorks provides technical training through ThoughtWorks University as well as mentoring opportunities through Jumpstart. Established in 1993, ThoughWorks is headquartered in Chicago, Illinois, United States.
Company Leadership

AA

Founded in 2010, Provectus is a mid-market focused artificial intelligence consultancy and solutions provider. Services include: Cloud Engineering, Big Data Engineering, and Artificial Intelligence & Machine Learning. The company is headquartered in Palo Alto, California.
Company Leadership AM

OH
KL