Cellcom Executive and Leadership Team

November, 2026

Leadership Overview

Cellcom has 7 executives leading key functions including strategy, financial oversight, television infrastructure, information technology, network engineering, and regional operations.

Focused on delivering reliable connectivity across Wisconsin and Michigan, Cellcom maintains a commitment to providing superior wireless services while driving innovation in the telecommunications sector.

Leadership Roles at Cellcom

  • Chief Executive Officer - Rubensmilson Bihum
  • Chief Financial Officer - Shlomi Fruhling
  • President - Sadat Hasan
  • Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom - Gil Hershberg
  • Vice President, Chief Information Officer - Yaniv Gueta
  • Chief Technology Officer, Cellcom (Israel) - Lipa Ogman
  • Chief Technology Officer & Vice President, Engineering - Avi Grinman
  • Rubensmilson Bihum - Chief Executive Officer

    Rubensmilson Bihum, the Chief Executive Officer at Cellcom, directs the overarching corporate strategy and long-term vision for the wireless service provider. By aligning operational goals with the evolving demands of the Wisconsin and Michigan markets, the Chief Executive Officer ensures consistent growth and service excellence. Rubensmilson Bihum manages high-level relationships with stakeholders and the Board to maintain competitive positioning within the telecommunications industry. This leadership role involves evaluating market trends to optimize service delivery and infrastructure investments. Through rigorous oversight of organizational performance, the Chief Executive Officer drives efficiency across all departments. By fostering a culture of innovation and customer-centricity, the Chief Executive Officer secures the company's reputation as a reliable provider. Ultimately, the Chief Executive Officer guides the organization toward sustainable expansion and technological advancement in the regional wireless landscape.

    Shlomi Fruhling - Chief Financial Officer

    Shlomi Fruhling, the Chief Financial Officer at Cellcom, manages the fiscal health and capital allocation strategies for the organization. Overseeing financial planning, reporting, and risk management, the Chief Financial Officer ensures the company maintains a robust balance sheet to support ongoing network investments. Shlomi Fruhling collaborates with executive leadership to evaluate the profitability of wireless service offerings across Wisconsin and Michigan. This role involves monitoring market volatility and adjusting financial models to protect revenue streams. By implementing stringent cost-control measures, the Chief Financial Officer optimizes operational expenditures and maximizes shareholder value. The Chief Financial Officer also directs the budgeting process to align resources with strategic growth initiatives. Through precise financial analysis and forecasting, the Chief Financial Officer provides the necessary data to support critical business decisions, ensuring long-term stability and fiscal integrity for the entire enterprise.

    Sadat Hasan - President

    Sadat Hasan, the President at Cellcom, manages the day-to-day operational execution and market-facing activities of the company. Overseeing the alignment of sales, marketing, and customer service departments, the President ensures that the organization delivers consistent value to subscribers in Wisconsin and Michigan. Sadat Hasan drives the implementation of regional growth initiatives and monitors performance metrics to ensure targets are met. This leadership role involves coordinating with other executives to refine the company's market approach and improve customer retention. By fostering strong relationships with local communities and business partners, the President strengthens the company's regional presence. The President also directs the development of service packages that address the specific needs of the customer base. Through active management of operational workflows, the President ensures that the company remains agile and responsive to market changes, ultimately supporting the long-term success and stability of the wireless service provider.

    Gil Hershberg - Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom

    Gil Hershberg, the Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom at Cellcom, architects the technical framework for television services and core network infrastructure. Overseeing the deployment of advanced media delivery systems, the Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom ensures seamless integration between broadcast platforms and wireless networks. Gil Hershberg manages the physical and digital assets required to maintain high-availability service across the regional footprint. This leadership role involves coordinating with engineering teams to upgrade infrastructure capacity in response to rising data demands. By prioritizing network reliability and scalability, the Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom supports the company's mission to provide high-quality connectivity. Through the implementation of cutting-edge hardware and software solutions, the Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom drives the technical evolution of the company's television and infrastructure portfolio.
    Gil Hershberg

    Yaniv Gueta - Vice President, Chief Information Officer

    Yaniv Gueta, the Vice President, Chief Information Officer at Cellcom, directs the digital transformation and information technology strategy for the company. Overseeing the security, maintenance, and development of internal data systems, the Vice President, Chief Information Officer ensures that all technological platforms support efficient business operations. Yaniv Gueta manages the integration of customer-facing software with backend infrastructure to enhance the user experience across Wisconsin and Michigan. This role involves implementing robust cybersecurity protocols to protect sensitive subscriber data and maintain network integrity. By streamlining IT workflows, the Vice President, Chief Information Officer improves organizational productivity and data accessibility. The Vice President, Chief Information Officer also collaborates with other C-suite leaders to align technology investments with broader corporate objectives. Through the continuous optimization of digital tools, the Vice President, Chief Information Officer drives innovation and operational agility within the competitive telecommunications market.

    Lipa Ogman - Chief Technology Officer, Cellcom (Israel)

    Lipa Ogman, the Chief Technology Officer, Cellcom (Israel) at Cellcom, oversees the specialized technical operations and international network standards relevant to the broader corporate ecosystem. Directing the research and development of emerging wireless technologies, the Chief Technology Officer, Cellcom (Israel) ensures that the company remains at the forefront of telecommunications innovation. Lipa Ogman manages the implementation of advanced network protocols that enhance signal quality and data throughput for subscribers. This leadership role involves evaluating global technology trends and adapting successful methodologies for regional application. By fostering partnerships with equipment vendors, the Chief Technology Officer, Cellcom (Israel) secures access to state-of-the-art hardware. The Chief Technology Officer, Cellcom (Israel) also coordinates with engineering teams to troubleshoot complex network issues and optimize performance. Through strategic technical oversight, the Chief Technology Officer, Cellcom (Israel) supports the company's commitment to delivering superior wireless connectivity and reliable service standards.

    Avi Grinman - Chief Technology Officer & Vice President, Engineering

    Avi Grinman, the Chief Technology Officer & Vice President, Engineering at Cellcom, leads the design, construction, and maintenance of the wireless network infrastructure. Overseeing the engineering department, the Chief Technology Officer & Vice President, Engineering ensures that all technical systems meet rigorous performance benchmarks across Wisconsin and Michigan. Avi Grinman manages the deployment of cell sites and spectrum assets to expand coverage and improve service reliability. This role involves directing large-scale engineering projects that enhance network capacity to accommodate growing subscriber traffic. By implementing innovative signal processing techniques, the Chief Technology Officer & Vice President, Engineering optimizes the efficiency of the wireless spectrum. The Chief Technology Officer & Vice President, Engineering also collaborates with the executive team to plan future network upgrades and capital expenditures. Through technical leadership and operational precision, the Chief Technology Officer & Vice President, Engineering maintains the company's competitive edge in the wireless service industry.
    Avi Grinman

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    Frequently Asked Questions Regarding Cellcom Top Executives and Leadership Team

    Who leads Cellcom?
    Cellcom is led by Rubensmilson Bihum (Chief Executive Officer), along with executives such as Shlomi Fruhling (Chief Financial Officer) and Sadat Hasan (President).
    Who is part of Cellcom’s executive team?
    The executive team of Cellcom includes leaders such as Rubensmilson Bihum (Chief Executive Officer), Shlomi Fruhling (Chief Financial Officer), Sadat Hasan (President) and other senior executives.
    How many executives does Cellcom have?
    Cellcom has 7 executives leading key business areas.
    What roles are included in Cellcom’s leadership team?
    The leadership team of Cellcom includes roles such as Chief Executive Officer, Chief Financial Officer, President, Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom, Vice President, Chief Information Officer.