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Leadership Team

Experienced technology leaders driving innovation, cybersecurity, cloud, and digital transformation outcomes across Australia.

Secure Agility | Cloud Services

 

 

 

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Charlie Tannous 
Co-founder | Managing Director 

Charlie Tannous is the Joint Managing Director and Co-Founder of Secure Agility, with 20+ years of experience in enterprise architecture, cybersecurity, cloud, and AI-driven solutions. He combines deep technical expertise with strong commercial insight, helping organisations achieve secure, scalable, and future-ready technology outcomes. 

 

 

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John Tannous
Co-founder | Sales Director

John Tannous is the Co-Founder and Sales Director of Secure Agility, with 30+ years of experience in managed IT services, cloud, cybersecurity, and digital transformation. Known for his customer-first approach and strategic leadership, he helps organisations deliver tailored technology solutions that drive business growth and long-term success.

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Richard Mitton
Chief Information Officer (CIO)

Richard Mitton is the Chief Information Officer at Secure Agility, with 30+ years of experience across technology, cybersecurity, and enterprise platforms. Having held executive roles including CTO, CISO, and CIO, he leads Secure Agility’s technical capability across solution architecture and delivery, helping organisations achieve secure, scalable, and outcome-focused technology solutions.

 

 

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Julian Dagher  
 Field Chief Technology Officer (Field CTO)

Julian Dagher is the Chief Technology Officer at Secure Agility, with more than a decade of experience in digital transformation, enterprise technology, and solutions architecture. He leads high-performing technical teams focused on delivering agile, scalable, and future-ready technology solutions that drive innovation and customer success.

 

 

 

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Sarah Dewan
 Chief Information Security Officer (CISO) 

Sarah Dewan is the Chief Information Security Officer at Secure Agility, with 35+ years of experience across IT and cybersecurity. She specialises in delivering practical, scalable security strategies that help organisations strengthen resilience, reduce risk, and achieve confident business growth. Sarah is known for her real-world, outcome-focused approach to cybersecurity. 

 



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Daniel Smith 
Principal Cyber Consultant

Daniel Smith is a senior technology and business leader with 20+ years of experience across large-scale IT transformation, cybersecurity, and high-performing team leadership. Known for translating complex technical strategy into tangible business outcomes, he helps organisations build resilient security roadmaps and drive long-term growth through strategic technology leadership.  

 

 

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Kirsty Grey
General Manager - People and Culture

Kirsty Grey is a passionate People & Culture leader with 20+ years of experience building engaged, high-performing teams. She specialises in workplace culture, leadership development, and aligning people strategies with business success, creating environments where both people and organisations thrive.

 

 

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Sally Black 
 Bid & Strategy Manager 

Sally Black is a trusted and highly valued team member known for her professionalism, reliability, and collaborative approach. Her edge lies in combining strong project delivery expertise with a genuine commitment to client outcomes, helping drive successful results across complex technology and business initiatives.

 

Infrastructure & Security

Modern cloud environments succeed only when infrastructure is reliable, and security is built in. Our Infrastructure & Security services provide the foundation organisations need to operate confidently in Azure and AWS - combining operational excellence, governance, and security into a single, integrated capability. We help customers move from ad hoc cloud usage to stable, well-governed, and trusted platforms for critical business workloads.