Ribbon Communications Appoints Rick Marmurek as CFO
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Apr 28 2026
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Should l Buy RBBN?
Ribbon Communications announced that Rick Marmurek, Ribbon's current Deputy CFO and Chief Accounting Officer, has been promoted to Executive Vice President, CFO and Chief Accounting Officer, effective May 1. He will succeed current CFO John Townsend who will be leaving Ribbon effective April 30 to take another professional opportunity. Marmurek, CPA brings more than 35 years of financial experience, including more than 15 years at Ribbon or its predecessor companies, where he has served as Senior Vice President, Deputy CFO and Chief Accounting Officer since 2024.
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Analyst Views on RBBN
Wall Street analysts forecast RBBN stock price to rise
4 Analyst Rating
4 Buy
0 Hold
0 Sell
Strong Buy
Current: 2.630
Low
5.00
Averages
5.63
High
6.00
Current: 2.630
Low
5.00
Averages
5.63
High
6.00
About RBBN
Ribbon Communications, Inc. is a provider of communications technology to service providers and enterprises. It provides a range of software and high-performance hardware products, network solutions, and services that enable the secure delivery of data and voice communications, and high-bandwidth networking and connectivity. The Cloud and Edge segment provides secure and reliable software and hardware products, solutions and services for Voice over Internet Protocol communications, Voice over Long-Term Evolution and Voice Over 5G communications, and Unified Communications and Collaboration within service provider and enterprise networks and from the cloud. The IP Optical Networks segment provides high-performance, secure solutions for IP networking and optical transport, supporting wireless networks, including 5G, metro and edge aggregation, core networking, data center interconnect, legacy network transformation and transport solutions for wholesale carriers.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Ribbon Communications Q1 2026 Earnings Call Insights
- Revenue in Line with Expectations: Ribbon Communications reported Q1 revenue of $163 million, aligning with expectations; however, lower sales to U.S. Tier 1 providers and strong demand in India led to decreased gross margins, impacting profitability.
- Optimistic Future Outlook: Management anticipates Q2 revenue between $185 million and $195 million, with adjusted EBITDA projected at $9 million to $14 million, reflecting confidence in robust second-half growth driven by enterprise and EMEA markets.
- Product Deployment Progress: Ribbon achieved full commercial deployment of its cloud-native SBC solution with a leading service provider in Japan and established a new partnership with Amazon Web Services, with initial customers now live, indicating strategic advancement in cloud services.
- Leadership Transition: CFO John Townsend will depart, with Rick Marmurek promoted to the new CFO role; this leadership change may impact the company's financial strategy and execution capabilities, warranting attention to its potential effects on future performance.
See More
Ribbon (RBBN) Q1 2026 Earnings Call Transcript
See More
Ribbon Communications Q1 Earnings Announcement Scheduled
- Earnings Release Date: Ribbon Communications is set to announce its Q1 earnings on April 28 after market close, with consensus EPS estimate at -$0.06 and revenue estimate at $163.43 million, reflecting a 9.7% year-over-year decline.
- Historical Performance Review: Over the past two years, Ribbon has only beaten EPS estimates 38% of the time and revenue estimates 25% of the time, indicating significant volatility in its performance metrics.
- Expectation Revisions: In the last three months, there have been no upward revisions for EPS estimates, with five downward adjustments, while revenue estimates also saw five downward revisions, highlighting a cautious market outlook for the company.
- Future Outlook: Ribbon Communications projects revenue could reach up to $875 million by 2026, despite currently facing a cautious outlook and momentum in voice modernization efforts.
See More
Ribbon Communications Appoints Louis Silver to Board of Directors
- New Board Member: Ribbon Communications has appointed Louis Silver to its Board of Directors, increasing the total number of board members to nine, with six being independent, thereby enhancing the company's governance structure.
- Extensive Industry Experience: Louis Silver brings over 25 years of board experience in technology investments, having served in various private and public companies, which is expected to provide Ribbon with valuable expertise in international finance and regulatory compliance.
- Strategic Partnership Background: Silver's appointment was made pursuant to the company's stockholders agreement with Swarth Investments Ltd., indicating the company's ongoing commitment to strategic investments aimed at enhancing board diversity and expertise.
- Strengthening Corporate Governance: By introducing a board member with a rich background, Ribbon aims to further bolster its market competitiveness in the rapidly evolving real-time communications technology sector, driving growth in the global market.
See More
Ribbon Communications Appoints Louis Silver to Board of Directors
- New Board Member: Ribbon Communications has appointed Louis Silver to its Board of Directors, increasing the total number of board members to nine, with six being independent, thereby enhancing the company's governance structure.
- Extensive Industry Experience: Louis Silver brings over 25 years of board experience in technology investments, having served on multiple public and private company boards, which is expected to provide Ribbon with valuable international finance and compliance expertise.
- Strategic Background: Currently serving as Managing Director for Alba Capital S.A. and Wicklow Corp., Silver previously held a principal role at RP Capital UK Ltd., focusing on multi-asset investments in Eastern Europe, the Middle East, and Africa.
- Governance and Compliance Advantage: As a designee of Swarth Investments Ltd., Silver's addition is anticipated to further enhance Ribbon's capabilities in governance and compliance, aiding the company in maintaining a competitive edge in a challenging market.
See More
Ribbon Achieves Quantum Key Distribution Success
- Quantum Security Breakthrough: Ribbon Communications successfully completed a proof-of-concept for Quantum Key Distribution (QKD) with CESNET, demonstrating the practical applicability of quantum encryption in real optical networks without performance degradation, marking a new milestone in network security.
- Optical Network System Advantages: Ribbon's Apollo optical network system offers optical encryption with virtually zero latency, ensuring secure transmission of all data and address information, thereby enhancing the reliability and security of customer services and improving market competitiveness.
- Future Network Assurance: QKD is viewed as a key to future secure networks, and through collaboration with CESNET, Ribbon showcases its capability to address next-generation network threats, further solidifying its leadership position in secure communications.
- Strategic Partnership Deepening: This successful test not only strengthens the long-term partnership between Ribbon and CESNET but also lays the groundwork for Ribbon to promote its security solutions globally, helping it capture a larger share of the rapidly growing network security market.
See More
Ribbon Communications Q1 2026 Earnings Call Insights
- Revenue in Line with Expectations: Ribbon Communications reported Q1 revenue of $163 million, aligning with expectations; however, lower sales to U.S. Tier 1 providers and strong demand in India led to decreased gross margins, impacting profitability.
- Optimistic Future Outlook: Management anticipates Q2 revenue between $185 million and $195 million, with adjusted EBITDA projected at $9 million to $14 million, reflecting confidence in robust second-half growth driven by enterprise and EMEA markets.
- Product Deployment Progress: Ribbon achieved full commercial deployment of its cloud-native SBC solution with a leading service provider in Japan and established a new partnership with Amazon Web Services, with initial customers now live, indicating strategic advancement in cloud services.
- Leadership Transition: CFO John Townsend will depart, with Rick Marmurek promoted to the new CFO role; this leadership change may impact the company's financial strategy and execution capabilities, warranting attention to its potential effects on future performance.
See More
Ribbon (RBBN) Q1 2026 Earnings Call Transcript
See More
Ribbon Communications Q1 Earnings Announcement Scheduled
- Earnings Release Date: Ribbon Communications is set to announce its Q1 earnings on April 28 after market close, with consensus EPS estimate at -$0.06 and revenue estimate at $163.43 million, reflecting a 9.7% year-over-year decline.
- Historical Performance Review: Over the past two years, Ribbon has only beaten EPS estimates 38% of the time and revenue estimates 25% of the time, indicating significant volatility in its performance metrics.
- Expectation Revisions: In the last three months, there have been no upward revisions for EPS estimates, with five downward adjustments, while revenue estimates also saw five downward revisions, highlighting a cautious market outlook for the company.
- Future Outlook: Ribbon Communications projects revenue could reach up to $875 million by 2026, despite currently facing a cautious outlook and momentum in voice modernization efforts.
See More
Ribbon Communications Appoints Louis Silver to Board of Directors
- New Board Member: Ribbon Communications has appointed Louis Silver to its Board of Directors, increasing the total number of board members to nine, with six being independent, thereby enhancing the company's governance structure.
- Extensive Industry Experience: Louis Silver brings over 25 years of board experience in technology investments, having served in various private and public companies, which is expected to provide Ribbon with valuable expertise in international finance and regulatory compliance.
- Strategic Partnership Background: Silver's appointment was made pursuant to the company's stockholders agreement with Swarth Investments Ltd., indicating the company's ongoing commitment to strategic investments aimed at enhancing board diversity and expertise.
- Strengthening Corporate Governance: By introducing a board member with a rich background, Ribbon aims to further bolster its market competitiveness in the rapidly evolving real-time communications technology sector, driving growth in the global market.
See More
Ribbon Communications Appoints Louis Silver to Board of Directors
- New Board Member: Ribbon Communications has appointed Louis Silver to its Board of Directors, increasing the total number of board members to nine, with six being independent, thereby enhancing the company's governance structure.
- Extensive Industry Experience: Louis Silver brings over 25 years of board experience in technology investments, having served on multiple public and private company boards, which is expected to provide Ribbon with valuable international finance and compliance expertise.
- Strategic Background: Currently serving as Managing Director for Alba Capital S.A. and Wicklow Corp., Silver previously held a principal role at RP Capital UK Ltd., focusing on multi-asset investments in Eastern Europe, the Middle East, and Africa.
- Governance and Compliance Advantage: As a designee of Swarth Investments Ltd., Silver's addition is anticipated to further enhance Ribbon's capabilities in governance and compliance, aiding the company in maintaining a competitive edge in a challenging market.
See More
Ribbon Achieves Quantum Key Distribution Success
- Quantum Security Breakthrough: Ribbon Communications successfully completed a proof-of-concept for Quantum Key Distribution (QKD) with CESNET, demonstrating the practical applicability of quantum encryption in real optical networks without performance degradation, marking a new milestone in network security.
- Optical Network System Advantages: Ribbon's Apollo optical network system offers optical encryption with virtually zero latency, ensuring secure transmission of all data and address information, thereby enhancing the reliability and security of customer services and improving market competitiveness.
- Future Network Assurance: QKD is viewed as a key to future secure networks, and through collaboration with CESNET, Ribbon showcases its capability to address next-generation network threats, further solidifying its leadership position in secure communications.
- Strategic Partnership Deepening: This successful test not only strengthens the long-term partnership between Ribbon and CESNET but also lays the groundwork for Ribbon to promote its security solutions globally, helping it capture a larger share of the rapidly growing network security market.
See More
