Mitel Appoints Security Veteran Bill Dunnion As New CISO

In his new role, Dunnion will spearhead Mitel's information security strategy, oversee security architecture, and ensure compliance with security standards.

by Samiksha Jain April 19, 2024 in Cybersecurity News, Firewall Daily Reading Time: 3 mins read 0

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Mitel, a leading provider of business communications solutions worldwide, has announced the appointment of as its new Chief Information Security Officer (CISO).

In his new role, Dunnion will spearhead Mitel's information security strategy, oversee security architecture, and ensure compliance with security standards. His responsibilities also include assessing, developing, and implementing industry best practices for security across the organization.

Bill Dunnion Expertise and Experience

Bringing over two decades of progressive experience across various industries, Dunnion boasts a comprehensive understanding of IT, cybersecurity, and risk management. His expertise encompasses cybersecurity trends, adherence to security standards and frameworks, as well as emerging business risks.

Mitel's Chief Information Officer, Jamshid Rezaei, emphasized the critical importance of security in today's digital landscape. Rezaei highlighted that in an era where secure, reliable, and compliant digital tools are paramount, Dunnion's leadership and experience in implementing cybersecurity policies and procedures will greatly benefit Mitel.

“In today's world, providing secure, reliable, and compliant digital tools, including communications and collaboration solutions, for our employees, partners, and customers is more crucial than ever. Bill's proven leadership, combined with his considerable experience in implementing and operationalizing cybersecurity policies and procedures, is a great asset for Mitel,” said Rezaei.

Expressing his enthusiasm for his new role, Dunnion highlighted the ever-evolving nature of security threats faced by businesses today. He stressed the necessity for organizations to adopt agile solutions that prioritize the confidentiality, residency, and protection of critical data.

Dunnion expressed his eagerness to collaborate with the combined Mitel and Unify teams to develop a cohesive and comprehensive security program for all stakeholders.

“After 25 years, I am very excited to be returning to Mitel where the people are as amazing as I remember. The company's continued growth and 51-year legacy are incredible testaments to the leadership and employee commitment to excellence. I am looking forward to helping the excellent security team manage and mature the security program at Mitel,” reads Dunnion's LinkedIn post.

Bill Dunnion's Professional Journey

Prior to joining Mitel, Dunnion held notable IT and cybersecurity leadership positions at esteemed organizations such as Calian Ltd, 2Keys Security Solutions, and Bell Canada. In his most recent role as Senior Director of Corporate Cybersecurity at Calian, he played a pivotal role in developing, implementing, and operationalizing the company's cybersecurity program.

Dunnion ensured alignment with industry standards such as NIST, ISO, and SOC2, demonstrating his commitment to enhanced cybersecurity practices.

Dunnion holds a degree in mechanical engineering from Queen's University in Kingston, Ontario, and actively contributes to the cybersecurity community as the volunteer chair of the Canadian Cyber Forum in Ottawa.


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