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About DTN Advisory

Intelligence-led cybersecurity advisory built on 20+ years of hands-on leadership.

Founder & Principal
Dan Tinsley
Former Global CISO | 20+ Years Across Intelligence, Engineering & Security Leadership
Dan Tinsley, Founder of DTN Advisory
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20+ years of hands-on cybersecurity leadership across defence, intelligence, financial services, manufacturing and government. Former Global CISO who has worked across four of the world's largest tier one banks, built and led global security teams across Europe, North America and Asia Pacific and defended some of the most recognised brands in the world.

Dan has built greenfield security capability from the ground up, guided organisations through complex certification programmes, pioneered work on some of the first digital payment platforms and mobile banking security implementations and run integrated fusion centres combining threat intelligence, incident response, physical security and governance into a single operational picture. He has partnered with government agencies, intelligence services and law enforcement on specialist advisory against cyber enabled crime across borders.

He maintains hands-on engineering knowledge across data centre infrastructure, network architecture and security tooling. A contributor to the Ransomware Task Force and World Economic Forum initiatives, Dan regularly speaks to boards and executive leadership on risk, operational resilience, digital resilience and security strategy. He has also built and advised startups on security architecture, go-to-market strategy and investor readiness.

Dan has spent his career on the end user side, actually building the capabilities, teams and operating models that organisations need to defend themselves. Not advising from slide decks. Building it, running it and sitting in the chair when things go wrong. That is what DTN Advisory delivers. You are not getting a junior consultant. You are getting someone who has been in the driving seat.

Our Partners and Associates

DTN Advisory works with a network of partners and associates from around the world. Every associate is an expert in their field who has operated the function they advise on. We do not deploy generalists or junior consultants. When you engage DTN Advisory, you get practitioners who have done the job, led the teams and made the decisions under pressure.

This model means we can scale to meet your needs without compromising on quality. Whether you need a single specialist or a full advisory team, every person we put in front of you brings real operational depth.

Speaking Engagements & Executive Education

Dan regularly engages in media commentary, keynote presentations and executive education programmes. If you would like Dan to speak at your event, deliver a training programme, or provide specialist education for your team, we would love to hear from you.

How We Can Collaborate

Let's Work Together

Whether you want Dan to speak at your event, deliver executive education, contribute expert commentary, or build a partnership with your institution, we'd love to discuss how we can help.

Request an Engagement