Ribbon Executive and Leadership Team

Rick Marmurek, the Executive Vice President, Chief Financial Officer & Chief Accounting Officer at Ribbon, manages the financial health and fiscal strategy of the organization. Marmurek oversees capital allocation, financial reporting, and regulatory compliance, ensuring that the company maintains a strong balance sheet while investing in IP and optical networking innovation. The Executive Vice President, Chief Financial Officer & Chief Accounting Officer drives long-term value creation by aligning financial resources with the strategic goals of the business. Rick Marmurek coordinates with the Board to provide transparency regarding ESG commitments and sustainability reporting, which remains a core focus for stakeholders. By managing complex accounting functions and financial planning, the Executive Vice President, Chief Financial Officer & Chief Accounting Officer supports the expansion of cloud-native offers and 5G solutions. Marmurek ensures that fiscal discipline underpins every growth initiative, securing the financial stability necessary for Ribbon to lead in the global communications software market.

Scott Maggiolo, the Chief Information Officer at Ribbon, directs the internal digital infrastructure and enterprise systems supporting global operations. Maggiolo architects secure, scalable cloud-native environments that facilitate seamless communication across the entire organization. By optimizing internal data workflows, the Chief Information Officer ensures that Ribbon maintains high-performance standards while supporting the complex needs of service providers and critical infrastructure clients. This leadership role involves managing cybersecurity protocols and integrating advanced analytics tools to drive operational efficiency. Scott Maggiolo monitors the alignment of information technology with broader corporate objectives, ensuring that internal systems remain agile enough to support 5G networking initiatives. Through the implementation of robust software-centric solutions, the Chief Information Officer strengthens the technological foundation required for sustained market competitiveness. Maggiolo consistently evaluates emerging technologies to enhance internal productivity and data security across all regional operations.

Sigal Tabak, the Chief Technology Officer, EA & Ipr Administrator at Ribbon, leads the research and development of end-to-end communications software and networking solutions. Tabak architects the technical roadmap for IP and optical networking, ensuring that the product portfolio meets the evolving demands of 5G and critical infrastructure sectors. The Chief Technology Officer, EA & Ipr Administrator manages intellectual property assets and technical administration, protecting the innovations that define the company's market position. Sigal Tabak collaborates with engineering teams to integrate security and analytics tools into the core-to-edge software offerings. By driving technical agility, the Chief Technology Officer, EA & Ipr Administrator ensures that Ribbon delivers unparalleled performance to service providers globally. Tabak focuses on the modernization of network architectures, enabling customers to achieve superior business outcomes. Through rigorous technical oversight, the Chief Technology Officer, EA & Ipr Administrator maintains the company's status as a leader in high-performance communications technology.

Joni Roberts, the Chief Marketing Officer, Investor Relations at Ribbon, shapes the global brand identity and communicates the value proposition of the company's software-centric solutions to the market. Roberts directs strategic marketing campaigns that highlight the benefits of IP and optical networking for service providers and enterprise clients. The Chief Marketing Officer, Investor Relations manages the narrative surrounding the company's growth, ensuring that investors and stakeholders understand the impact of cloud-native offers and 5G networking tools. Joni Roberts oversees the alignment of marketing initiatives with the company's ESG commitments, reinforcing the brand's dedication to sustainability. By analyzing market trends and competitive positioning, the Chief Marketing Officer, Investor Relations drives demand for the end-to-end solutions portfolio. Roberts facilitates clear communication with the financial community, building trust and transparency. Through targeted outreach and brand development, the Chief Marketing Officer, Investor Relations expands the reach of Ribbon across diverse global markets.