Banking
10 Citi security leaders
These ten Citi cybersecurity leaders include the chief information security officer, former and current global heads of cyber operations and cybersecurity technology, and heads of fusion centres, offensive security, the security operations center and business-line cybersecurity. A reader can learn how security leaders run security organizations inside Citi.
Professionals to explore
01—10Al Tarasiuk
LinkedInExperience: Chief Information Security Officer and Head of Foundational Services · Citi
Chief Information Security Officer at Citi since 2020, and also Head of Foundational Services since 2025. Other roles shown are Group Chief Security Officer and CISO at Deutsche Bank (2016–2018 and 2019–2020) and Group Chief Information Officer at Deutsche Bank (2018–2019); the profile places the earlier Citi CISO role in New York City.
Ann Barron-DiCamillo
LinkedInExperience: Managing Director, Global Head of Cyber Operations · Citi
Former Managing Director and Global Head of Cyber Operations at Citi (2021–2025), then Global Head of Tech Optimization there (2025–2026). She is now EVP and Chief Information Security Officer at U.S. Bank and chair of the Financial Services Sector Coordinating Council; another role shown is at the Defense Information Systems Agency.
David Jones
LinkedInExperience: Global Head of Security Operations Center · Citi
Global Head of the Security Operations Center at Citi since 2023, after serving as North American Head of the Security Operations Center (2021–2023). Other Citi roles shown are SOC Advanced Cyber Defense Manager for North America and team lead; his profile cites 21 years in cybersecurity across federal, military, financial and commercial sectors.
Dr. Aamir Bokhari
LinkedInExperience: Head of Information Security - CISO · Citi
Head of Information Security and CISO at Citi since 2024, based in Tokyo. Other roles shown are Global Head of IT & Information Security Divisions at Mujin (2022–2024), EU-JP Govt. Smart Cities Project Leader & Principal Researcher at Yokohama National University (2018–2024) and Head of Consulting / Principal Consultant at IP-NET Systems (2018–2022).
Elvis Veliz
LinkedInExperience: Managing Director - Global Head of Offensive Security & Vulnerability Management · Citi
Managing Director and Global Head of Offensive Security & Vulnerability Management at Citi since 2025. Other Citi roles shown are Global Head of Vulnerability Assessments & Cloud Security Operations (2024–2025) and Head of Cloud Security Operations (2018–2024); his profile says he has worked at Citi for more than ten years.
Federico P.
LinkedInExperience: Director - Head of Cyber Defense for Banking and International · Citi
Director and Head of Cyber Defense for Banking and International at Citi since 2024. Other Citi roles shown are LATAM CyberSecurity Head (2023–2024) and SVP for Latin America information security programs and strategy (2018–2023); his profile says he joined Citibank in 2007 and worked across its Latin America IT risk and security organization.
Jessica Colvin
LinkedInExperience: Global Head of Cyber Security Fusion Centres · Citi
Global Head of Cyber Security Fusion Centres at Citi since 2022, based in London, with a headline that reads Managing Director and Global Head of Cyber Operations. The headline also names her an FS-ISAC Board Member, and the profile places the fusion centres role in the Operations department at Head level.
Mark Rushing
LinkedInExperience: MD - Head of Cybersecurity Technology · Citi
Former Managing Director and Head of Cybersecurity Technology at Citi (2025–2026), a role his profile says covered security operations, threat and vulnerability management, GRC and AI tooling. Other Citi roles shown are Head of Security Operations & Threat Management Technology (2024–2025) and Head of Cloud Security Program (2023–2024); he is now at Barclays.
Rajesh Vaidya
LinkedInExperience: Global Cyber Security Head Generative AI and Corporate Functions · Citi
Global Cyber Security Head for Generative AI and Corporate Functions at Citi since 2025; his profile says he drives secure adoption of AI at enterprise scale. Other Citi roles shown are Global Cyber Security Head for Global Functions and Security Acceleration (2024–2025) and Director of Global Information Security (2018–2024).
Siby Samuel
LinkedInExperience: Global Head of Cybersecurity for US Personal Bank · Citi
Global Head of Cybersecurity for the US Personal Bank at Citi since 2025, tagged at Director level. Other Citi roles shown are Head of Cyber Risk and Service Delivery for Wealth and Legacy Franchises (2024–2025) and Information Security Officer Head for Wealth (2022–2024); another role shown is Senior Director of Cybersecurity Risk & Compliance at Publicis Groupe.
Choose the right perspective
Match the person's remit to your question, since cyber operations, security technology, offensive security, the security operations center and business-line cybersecurity are led by different people at Citi. Check whether the person holds the role now or held it in the past before asking about current practice.
Questions to take into the conversation
- 01How does a global bank run cyber fusion centres and its security operations center across regions?
- 02How does a bank's offensive security and vulnerability management team decide what to fix first?
- 03How does a bank secure generative AI adoption across its corporate functions?
Reaching Citi security leaders
How can I contact one of these Citi security leaders?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 1 company: Citi, based on profile data retrieved on October 8, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Citi security leaders?
You choose the offer, starting at $5 per person. It includes Instant Expert's 20% fee, so an offer that pays the person $100 costs you $125. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
Request a correction or removal