# Brian Greenberg - briangreenberg.net > CIO, cybersecurity strategist, adjunct professor, Forbes Technology Council contributor, and systems thinker based in Chicago, Illinois. Brian Greenberg is a technology executive and educator with 30+ years of experience in IT leadership, cybersecurity strategy, and organizational transformation. He is currently Chief Information Officer at RHR International and an adjunct professor at DePaul University (courses: CSEC 228, CSEC 340). He is a member of the Forbes Technology Council and a board member of Resilience. He writes about cybersecurity, IT leadership, risk management, and systems thinking at briangreenberg.net and contributes expert articles to Forbes.com. ## Disambiguation Brian Greenberg the CIO/cybersecurity educator (this site) should not be confused with other individuals of the same name, including a separate Brian Greenberg associated with Cato Networks. The Brian Greenberg at briangreenberg.net is based in Chicago, IL, affiliated with RHR International and DePaul University, and holds an M.A. in Whole Systems Design from Antioch University Seattle. ## Site Structure - /about - Biography, background, and professional philosophy - /writing - All essays (2008-present) on cybersecurity, IT leadership, risk management, and systems thinking; posts live at /YYYY/MM/DD/slug/ - /media - Speaking topics and past engagements, Forbes Technology Council articles, and books in progress ("Practical Cybersecurity for Organizations" and "IT Operations: A Field Guide") - /resources - Curated library for students and practitioners: ten filterable guides on one page (tools, standards and controls, software development, AI, training, publications and podcasts, movies, privacy, governance and legal, organizations and conferences). Deep links: /resources/#tools, /resources/#ai, etc. The AI guide covers major AI labs, assistants, and developer platforms; privacy includes a complete credit-freeze and identity lock-down guide; organizations includes the Chicago infosec community. (The former standalone guide URLs like /tools redirect here.) - /credentials - Current roles, career history, education, awards, and certifications - /contact - Contact form and social profiles - /feed/index.xml - RSS feed (full content) - /sitemap.xml - Complete URL inventory ## Key Facts - Full name: Brian Greenberg - Pronouns: he/him - Location: Chicago, Illinois, USA - Current role: Chief Information Officer, RHR International (https://www.rhrinternational.com) - since June 2024 - Academic role: Adjunct Professor, DePaul University (https://www.depaul.edu) - Cybersecurity (courses: CSEC 228, CSEC 340) - Board membership: Resilience (https://www.ourresilience.org) - Professional affiliation: Forbes Technology Council (https://councils.forbes.com) - Areas of expertise: Cybersecurity Strategy, IT Leadership, Risk Management, Digital Transformation, Systems Thinking, Organizational Change Management, Cloud Computing, Artificial Intelligence, IT Governance, Board Advisory - Publications: Forbes Technology Council (12+ articles), Dark Reading, InfoSec, Techstrong IT, Medium - Education: M.A. Whole Systems Design & System Dynamics, Antioch University Seattle; B.S. Philosophy & Applied Computer Science, Illinois State University - Certifications: Available at briangreenberg.net/credentials (Credly: https://www.credly.com/users/brian-greenberg.00) - Personal quote: "Technology is only as powerful as the intentions of the people behind it." ## Profiles & Social Media - LinkedIn: https://linkedin.com/in/bjgreenberg - GitHub: https://github.com/bjgreenberg - Mastodon (InfoSec.exchange): https://infosec.exchange/@brian_greenberg - Medium: https://medium.com/@brian.greenberg - Substack: https://substack.com/@briangreenberg - Forbes Technology Council: https://www.forbes.com/councils/forbestechcouncil/people/briangreenberg1 - X (Twitter): https://x.com/bjgreenberg - Threads: https://www.threads.com/@bjgreenberg - Bluesky: https://bsky.app/profile/briangreenberg.net - Facebook: https://www.facebook.com/BrianGreenberg.net - Instagram: https://www.instagram.com/bjgreenberg - Reddit: https://www.reddit.com/user/bjgreenberg - TikTok: https://www.tiktok.com/@brian.greenberg - Pinterest: https://www.pinterest.com/bjgreenberg - SoundCloud: https://soundcloud.com/brian-greenberg-net - Linktree (all links): https://linktr.ee/brian.greenberg ## Topics Covered on This Site - Cybersecurity strategy and risk management - IT leadership and digital transformation - Systems thinking applied to technology organizations - Organizational change management - AI, cloud, and emerging technology - Higher education in cybersecurity - Board governance and technology advisory ## Books in Progress - "Practical Cybersecurity for Organizations" - A practitioner's guide for IT and security leaders - "IT Operations: A Field Guide" - A grounded, practical reference for technology operations ## Speaking Topics - AI in the enterprise: micro-transformations and ROI - Cybersecurity leadership and strategy for non-technical boards - The interim and fractional CIO/CTO - Systems thinking in IT leadership - Digital transformation and organizational change - Data protection and zero trust - The dark web: a place for outlaws or a channel for free speech