Cellcom Executive and Leadership Team

June, 2026

Leadership Overview

Cellcom has 8 executives leading key functions including strategy, operations, marketing, finance, and technology.

Driven by nationwide wireless service, Cellcom is dedicated to connecting customers across Wisconsin and Michigan, upholding a commitment to reliable communication and customer satisfaction since its inception.

Leadership Roles at Cellcom

  • Chief Executive Officer - Rubensmilson Bihum
  • Deputy Chief Executive Officer - Ky Clemments
  • Chief Financial Officer - Shlomi Fruhling
  • Chief Financial Officer & Treasurer - Ron Nuland
  • President - Sadat Hasan
  • Chief Marketing Officer - Dafna Agassi
  • Chief Technology Officer & Vice President, Engineering - Avi Grinman
  • Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom - Gil Hershberg
  • Rubensmilson Bihum - Chief Executive Officer

    Rubensmilson Bihum, the Chief Executive Officer at Cellcom, directs the company's overall strategic vision and operational execution. Bihum guides the enterprise in its mission to provide nationwide wireless services across Wisconsin and Michigan. This leadership role involves steering the company through market dynamics, ensuring robust financial performance, and fostering innovation within the telecommunications sector. Bihum's oversight extends to all departments, aligning their efforts with the company's core objectives of customer connectivity and service excellence. The Chief Executive Officer's focus remains on expanding market reach and enhancing service offerings to meet evolving customer needs. Rubensmilson Bihum drives the company's long-term growth trajectory and competitive positioning within the industry.

    Ky Clemments - Deputy Chief Executive Officer

    Ky Clemments, the Deputy Chief Executive Officer at Cellcom, supports the Chief Executive Officer in executing the company's strategic initiatives and managing daily operations. Clemments focuses on enhancing operational efficiency and ensuring seamless service delivery to customers throughout Wisconsin and Michigan. This position involves close collaboration with various department heads to implement business plans and achieve key performance indicators. The Deputy Chief Executive Officer plays a critical part in optimizing resource allocation and driving process improvements across the organization. Clemments' responsibilities include overseeing cross-functional projects that support the company's expansion and service quality goals. Ky Clemments ensures the effective implementation of corporate policies and contributes to maintaining Cellcom's strong market presence.

    Shlomi Fruhling - Chief Financial Officer

    Shlomi Fruhling, the Chief Financial Officer at Cellcom, manages the company's financial health, including budgeting, forecasting, and financial reporting. Fruhling oversees all fiscal operations, ensuring compliance with financial regulations and optimizing capital structure to support Cellcom's nationwide wireless services. This position involves developing financial strategies that align with the company's growth objectives in Wisconsin and Michigan. The Chief Financial Officer's responsibilities include managing investments, analyzing financial performance, and mitigating financial risks. Fruhling provides critical financial insights to guide executive decision-making and ensure sustainable profitability. Shlomi Fruhling safeguards the company's assets and drives financial efficiency across all business units.

    Ron Nuland - Chief Financial Officer & Treasurer

    Ron Nuland, the Chief Financial Officer & Treasurer at Cellcom, oversees the company's financial planning, treasury operations, and capital management. Nuland ensures the sound financial management of Cellcom's nationwide wireless services, supporting its operations in Wisconsin and Michigan. This role involves managing cash flow, debt financing, and investment strategies to optimize financial resources. The Chief Financial Officer & Treasurer's responsibilities include maintaining strong relationships with financial institutions and ensuring compliance with all fiscal regulations. Nuland provides strategic financial guidance to support the company's growth and profitability objectives. Ron Nuland's leadership ensures financial stability and efficient resource allocation across the organization.

    Sadat Hasan - President

    Sadat Hasan, the President at Cellcom, directs the company's overall business strategy and operational execution, ensuring alignment with market demands and customer needs. Hasan leads initiatives focused on expanding Cellcom's nationwide wireless service footprint across Wisconsin and Michigan. This executive position involves overseeing key business functions, fostering a culture of innovation, and driving performance improvements throughout the organization. The President's responsibilities include managing strategic partnerships, guiding departmental objectives, and ensuring the company's long-term sustainability and growth. Hasan plays a pivotal role in shaping the company's direction and enhancing its competitive position. Sadat Hasan champions operational excellence and strategic development to achieve corporate goals.

    Dafna Agassi - Chief Marketing Officer

    Dafna Agassi, the Chief Marketing Officer at Cellcom, architects and executes comprehensive marketing strategies to enhance brand visibility and customer acquisition. Agassi directs all promotional activities, advertising campaigns, and market research initiatives aimed at expanding Cellcom's customer base in Wisconsin and Michigan. This role involves understanding market trends and consumer behavior to develop targeted campaigns that resonate with the company's service offerings. The Chief Marketing Officer oversees digital marketing, public relations, and customer engagement efforts, ensuring consistent brand messaging across all platforms. Agassi's leadership drives revenue growth through effective market penetration and customer retention strategies. Dafna Agassi ensures Cellcom maintains a competitive edge through innovative marketing approaches.

    Avi Grinman - Chief Technology Officer & Vice President, Engineering

    Avi Grinman, the Chief Technology Officer & Vice President, Engineering at Cellcom, leads the technological vision and engineering efforts for the company's wireless infrastructure. Grinman directs the development, implementation, and maintenance of cutting-edge technology solutions that power Cellcom's nationwide services in Wisconsin and Michigan. This role involves overseeing network architecture, system upgrades, and ensuring the reliability and scalability of the company's technological backbone. The Chief Technology Officer & Vice President, Engineering's responsibilities include managing engineering teams, driving innovation in network performance, and ensuring robust cybersecurity measures. Grinman's expertise is crucial for maintaining a competitive technological advantage. Avi Grinman champions technological advancements to enhance customer experience and operational effectiveness.
    Avi Grinman

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

    Gil Hershberg, the Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom, spearheads the technological development and infrastructure management for Cellcom's television services and core network operations. Hershberg directs the strategy for delivering high-quality television content and ensures the stability and efficiency of the underlying network infrastructure supporting all Cellcom services across Wisconsin and Michigan. This dual role involves overseeing platform development, content delivery systems, and the physical and virtual infrastructure that supports nationwide operations. The Chief Technology Officer, Cellcom Television & Director, Infrastructure Cellcom's responsibilities include managing technology roadmaps, optimizing system performance, and ensuring seamless integration of new technologies. Gil Hershberg drives innovation in media technology and infrastructure resilience.
    Gil Hershberg

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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 Ky Clemments (Deputy Chief Executive Officer) and Shlomi Fruhling (Chief Financial Officer).
    Who is part of Cellcom’s executive team?
    The executive team of Cellcom includes leaders such as Rubensmilson Bihum (Chief Executive Officer), Ky Clemments (Deputy Chief Executive Officer), Shlomi Fruhling (Chief Financial Officer) and other senior executives.
    How many executives does Cellcom have?
    Cellcom has 8 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, Deputy Chief Executive Officer, Chief Financial Officer, Chief Financial Officer & Treasurer, President.