10 Bloomberg security leaders
Chief information security officer, business information security officer and head of platform security engineering are among the current titles held by these Bloomberg security leaders, whose work spans vulnerability management, risk and architecture. A reader can learn how security leaders work at Bloomberg from people who have held the role.
Professionals to explore
Alaric Nightingale
LinkedInExperience: Head of Software Security Platform · Bloomberg
Alaric Nightingale has been Head of Software Security Platform at Bloomberg since July 2022, with a headline naming Bloomberg Engineering in London. Alaric Nightingale was Manager of Systems Infrastructure London at Bloomberg from 2016 to 2022, Team Lead at Bloomberg from 2009 to 2016 and Software Developer at Bloomberg from 2005 to 2009.
Andrey Rybka
LinkedInExperience: Head of CTO Architecture, AI Security and Emerging Technologies · Bloomberg
Andrey Rybka has been Head of CTO Architecture, AI Security and Emerging Technologies at Bloomberg since June 2026 and has held Head of CTO Cloud Compute, Platform & Security Architecture at Bloomberg since 2018. Andrey Rybka was CTO Architect at Bloomberg from 2014 to 2017 and Architect Lead, Vice President at JPMorganChase from 2010 to 2013.
Arthur Graham
LinkedInExperience: Global Director of IT Vulnerability Management and Red Team Operations · Bloomberg
Arthur Graham has been Global Director of IT Vulnerability Management and Red Team Operations at Bloomberg since October 2017. Arthur Graham was Global Head of IT Services at Bloomberg from 2013 to 2017, Information Systems Director at Bloomberg from 2009 to 2013 and Global Telecommunications Director at Bloomberg from 2004 to 2010.
Elad Hod
LinkedInExperience: Business Information Security Officer (BISO) · Bloomberg
Elad Hod has been Business Information Security Officer (BISO) at Bloomberg since June 2021 and Adjunct Professor of Cybersecurity at Yeshiva University since 2023. Elad Hod was Deputy Chief Information Security Officer at AllianceBernstein from 2020 to 2021, Director of Cyber Risk at AllianceBernstein from 2019 to 2020 and VP, Director of IT Audit at AllianceBernstein from 2015 to 2019.
Jennifer Swann
LinkedInExperience: Chief Information Security Officer · Bloomberg Industry Group
Jennifer Swann has been Chief Information Security Officer at Bloomberg Industry Group since May 2025 and lists Director of Information Security at Bloomberg Industry Group from October 2020. Jennifer Swann was Senior Manager, Incident Response at Bloomberg Industry Group from 2018 to 2020, Incident Response Supervisor at Exelon from 2017 to 2018 and Incident Response Analyst at Under Armour from 2016 to 2017.
Julien Vanegue
LinkedInExperience: Head of Infrastructure & Security Research, CTO Office · Bloomberg
Julien Vanegue has been Head of Infrastructure & Security Research, CTO Office at Bloomberg since November 2023 and was Head of Cloud & Software Security Architecture, CTO Office at Bloomberg from 2022 to 2023. Julien Vanegue was Head of Software Security Architecture, CTO Office at Bloomberg from 2017 to 2022 and Software Security Engineer at Microsoft from 2009 to 2012.
Ramkumar Aiyengar
LinkedInExperience: Head of Platform Security Engineering · Bloomberg
Ramkumar Aiyengar has been Head of Platform Security Engineering at Bloomberg since July 2022 and describes the work as an engineering director specializing in platform security, infrastructure and identity management at scale. Ramkumar Aiyengar was Head of Engineering for News at Bloomberg from 2019 to 2022 and Engineering Manager at Bloomberg from 2016 to 2019.
Timothy Averill
LinkedInExperience: Director of Information Security Risk & Compliance · Bloomberg Industry Group
Timothy Averill has been Director of Information Security Risk & Compliance at Bloomberg Industry Group since January 2024, with a headline covering SaaS, AI Governance, SOC 2, Third-Party Risk and Customer Trust. Timothy Averill was Cyber Security Manager at Deloitte from 2021 to 2024, Cyber Senior Consultant at Deloitte from 2019 to 2021 and IT Advisory Senior Associate at KPMG from 2018 to 2019.
Timothy Imana
LinkedInExperience: Business Information Security Officer (BISO) · Bloomberg
Timothy Imana has been Business Information Security Officer (BISO) at Bloomberg since June 2021. Timothy Imana was Lead Cyber Security Specialist in the Technology, Resilience and Cyber Department at the Financial Conduct Authority from 2018 to 2021, Information Security Lead at Royal Mail from 2016 to 2018 and Senior Information Technology Security Consultant at IACS LLP (Now Securestorm) from 2014 to 2016.
Tulani St Hilaire
LinkedInExperience: Director Compliance Business Information Security Office (BISO) · Bloomberg
Tulani St Hilaire has been Director Compliance Business Information Security Office (BISO) at Bloomberg since December 2023. Tulani St Hilaire was Head of Off-Trading Venues Compliance EMEA Chief Compliance Officer (SMF16) at Bloomberg from 2018 to 2023 and Director Deputy Head of TBK Compliance UK CCO & MLRO Dubai DIFC at Bloomberg from 2014 to 2018.
Choose the right perspective
Pick the person whose own security area is closest to your question, since vulnerability management, business information security, risk and compliance, platform security and security architecture work each give a different view. Check the dates on each role to see how current the experience is.
Questions to take into the conversation
- 01What took most of your time in your security role, and how did you decide what to handle yourself?
- 02How did you decide which security risks to work on first when several needed attention at once?
- 03What did you learn in earlier roles that changed how you approach your security work?
Reaching Bloomberg security leaders
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About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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