Financial Services Security Summit

Cyber Risk Specialist, Santander UK

Christina Bradley is a cyber security and risk professional specialising in human behaviour, communication, and organisational resilience. At Santander, she drives cyber awareness and education strategy, bridging technical security with real-world human impact. With a background spanning law enforcement, risk management, and behavioural psychology, she brings a unique perspective on how people, culture, and communication shape security outcomes. A passionate advocate for inclusion and mental wellbeing in cyber, she champions psychologically safe, collaborative environments that strengthen both teams and defences.

CISO, CRED

Himanshu Das is a Chevening Cyber Fellow, UK and brings over 12 years of experience building elite cybersecurity teams at leading tech companies like eBay, Flipkart, and Grab. He is a founding team member and CISO of the product-based fintech company CRED, where he specializes in digital payments & cloud security within the BFSI sector. Himanshu is actively involved with AWS Dev/Cloud Alliance and AWS CISO Circle in the APAC region and is part of key industry bodies such as the SANS CISO Network, PCI DSS, FS-ISAC, and DSCI. He founded India's first international CTF team, SegFault, and has presented at international conferences, including Black Hat (Arsenal), Grace Hopper, Nullcon, c0c0n, ElasticON, and the AWS Summit, where he delivered a keynote. He is a passionate community builder, has organized international CTF contests like HackIM, and has contributed to influential cybersecurity groups like Garage4Hackers and Null. As a core team member of ReconVillage at DEF CON, he has led premier contests ReconAacharya and LiveRecon, promoting cybersecurity knowledge and engagement globally.

Lead Hardware Security Engineer

Meadow Ellis conducts hardware security research and engineering in the fintech world, she also specialises in out-of-bounds data exfiltration, physical security and surveillance technologies encompassing mechanical, electrical and software design. She has extensive experience in cooperating with law enforcement agencies, most recently with regards to financial crime. She lives and breathes in the blueteam camp. Recently she could have been seen with DEF CON 29, BSides Leeds, BSides Wales and BSides London where she also leads the Workshops team.

Meadow strives to approach information security from the people side trying to understand the reasons behind the failures, the human element that caused it and the changes needed to avoid it in the future - changes that need to start with us.

CISO, NatWest Boxed & Mettle. NED

Innovative and dynamic security professional, with a passion for driving change by successfully engaging with all levels of the business.

Passionate about the benefits of cognitive diversity as a key ingredient of successful organisations.

Team builder, driver of change, focussed on the benefits of supporting and enabling great people to deliver their best; the right processes and technology will follow.

Proven strategic outlook with the ability to engage with all levels of the business to gain buy-in for innovative and effective resilience programmes.

Demonstrated ability to execute on plans and materially improve organisational resilience.

Security and resilience can be a key differentiator to drive sales and customer retention, not just a cost centre.

Board advisor to multiple start ups, helping them to grow securely! Looking for that 1st NED role to really help an organisation succeed.

Chief Information Security Officer (CISO), Santander UK

International cyber security executive with 20+ years experience in national security, critical infrastructure, and financial services. Proven ability to lead large-scale security programmes, respond to high-impact cyber threats, and shape security strategy. Passionate about building high-performing teams, advancing digital resilience, and working in mission-driven organisations. Believe in leadership development through adventure and expeditions. Advisor to boards and governments.

Business Information Security Officer, U.S. Bank

Mike Kearn is a Business Information Security Officer (BISO) within U.S. Bank Information Security Services. Within his role, he regularly consults with senior technology and operational risk management executives as an information security subject matter expert. Through this collaborative partnership, he drives the integration of sound security practices into the strategic roadmaps for his clients. Mr. Kearn brings more than 24 years of varied experience in information technology and security to his current role.

Chief Information Security Officer (CISO) at Groww

Prajal Kulkarni currently serves as the Chief Information Security Officer (CISO) at Groww, where he leads a dynamic team of skilled security engineers. With over 15 years of experience, he specializes in designing secure infrastructures and guiding startups in building their security journey from the ground up. Before joining Groww, Prajal was a Senior Security Architect at Flipkart, where he played a pivotal role in safeguarding the e-commerce ecosystem and managing comprehensive security charters for Flipkart’s mergers and acquisitions. Beyond his corporate endeavors, Prajal is an active contributor to the Indian security community. He is the lead contributor to Code Vigilant, an open security initiative focused on securing open-source software through responsible disclosures.

Director of Information Security, Financial Services

Erhan Temurkan is a Director of Information Security/CISO with over a decade of experience working in both the Private and Public Sector. They have a proven track record of success in managing information security operations in complex multi-supplier environments and implementing security protocols into cloud integrations. With an MSc in Information Security and an MBA, Erhan brings a wealth of expertise to the table, with a deep understanding of the industry and a comprehensive business acumen. They operate at both technical and commercial levels, delivering a business-driven focus to security that helps to drive innovation and growth. Erhan is a passionate advocate for information security, committed to staying up-to-date with the latest trends and technologies in the field. They are skilled at collaborating with key stakeholders, including executive leadership, to align security initiatives with organisational goals.