Speakers

Mark Logsdon, CISO, NHS England

Mark is Chief Information Security Officer for NHS England having joined from UKHSA (Test and Trace) where he was head of Cyber Assurance and Oversight. With over 30 years of experience in security, Mark has held a number of high profile roles in the public and private sectors. He has a strong business focus seeing security as a business enabler. At every opportunity... Mark seeks to manage the needs of business against those of security and risk. Outside of work, Mark works to raise much needed funds for NSPCC Childline. He is a member and former Chair of the WhiteHat Ball Committee which to date has raised over £2M for the NSPCC. more

Dulcie Herreros, Deputy Chief Information Security Officer, NHS England

Dulcie, Deputy Chief Information Security Officer at NHS England, joined in 2024 from Microsoft’s Customer Success Unit, where she empowered global organisations to achieve business outcomes using cutting-edge technical solutions. Her extensive experience also includes co-founding the internal cyber consultancy and serving as the organisational risk lead for cyber... at the UK Ministry of Defence.At NHS England, Dulcie spearheads the CISO Portfolio Office, driving key security initiatives and ensuring robust governance across the CISO function. Her portfolio includes Security Testing and Red Teaming (STaRT) and the CISO Cyber Resilience Programme.
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Holly-Jane Grayling, Security Culture and Awareness Lead, Tunstall Healthcare

Holly-Jane Grayling is the Security Culture and Awareness Lead at Tunstall Healthcare, responsible for managing and reducing human cyber risk at global scale. She brings over a decade of experience in behaviour change and learning design and is now in her sixth year working in cyber security and cyberpsychology.Her work focuses on understanding how people behave in... real operational environments and how those behaviours translate into risk. She operates across analysis, investigation and remediation, shaping the conditions in which decisions are made so secure behaviour becomes the natural outcome. Her work spans improving everyday workflows and controls, stress-testing them through realistic simulations and crisis exercises, and applying proportionate, risk-led interventions grounded in evidence rather than assumption. She challenges the idea that human error alone explains cyber incidents, focusing instead on how systems, processes and controls influence behaviour and risk.Known for combining creative problem-solving with rigorous data and metrics, Holly-Jane delivers decision-grade insight that strengthens operational resilience and incident management, drawing on experience across healthcare, financial services and technology.more

Mike Owen, Deputy Director Cyber Operations, NHS England

Mike currently serves as Deputy Director for Cyber Operations at NHS England, where he leads the Cyber Security Operations Centre (CSOC) and teams delivering a wide range of cyber security services to the health system. His work focuses on strengthening resilience across NHS organisations in England, providing both technical defence and the governance capabilities... essential to protecting critical care environments.
Mike has more than 25 years of experience spanning hands-on engineering, enterprise security architecture, and the orchestration of large-scale operational and governance functions. His career has woven through *NIX systems security, risk management, compliance, and strategic security design, developed across consulting roles at BAE Systems, PwC, and IRM plc, as well as in-house positions with organisations including British Gas and Sage Pay and UK Health Security Agency.more

James Witt, Head of Information Security, Barchester Healthcare Ltd

James is a seasoned Information Security Manager with extensive expertise in cyber security, data protection, and security operations. In his current role at Barchester Healthcare Ltd, he leads the development and delivery of cyber security strategy across 270 locations, with a strong focus on protecting web‑based applications and critical infrastructure.With over... 40 years’ experience in IT, spanning both managed services and end‑user environments across multiple industries, James has held senior security roles in the UK and internationally. This background has given him a broad and practical perspective on global risk management, securing complex digital environments, and aligning security initiatives with business objectives.James is passionate about fostering a strong culture of security awareness and organisational resilience and is equally committed to mentoring and developing the next generation of security professionals.more

Nasser Arif, Cyber Security Manager, LNWUH NHS Trust

Nasser is a cyber security professional with a strong interest in all things tech, transformation, and wellbeing. He has only worked within the NHS since 2018 but his dedication and out-of-the-box thinking has helped him progress rapidly over the years from volunteer to Cyber Security Manager. His strong educational background in Aeronautical Engineering has equipped... him with important transferrable skills which have proven to be invaluable within the cyber security world. Although he has a technical background, Nasser is also passionate about the human element of cyber security, and is an advocate for encouraging peers to always aim high and break through any glass ceilings that they encounter.more