Gustavo Celani
Cybersecurity Instructor at Truelogic Software
Brazil
Summary
👤
Senior🎓
Top SchoolGustavo Celani is a cybersecurity instructor, consultant, and founder with eight years of hands-on experience in AppSec, red teaming, and secure systems design across startups and enterprise teams. As CEO of Cyber Innovation and Cybersecurity Tech Lead at Olist, he blends offensive security practice with strategic CISO-as-a-Service offerings and training content to make advanced security accessible to businesses. He currently teaches for EC-Council and consults for companies including NerdWallet and Truelogic, where he builds SSDLC programs, automations using AI, and remediation workflows that prioritize business impact. His background ranges from low-level secure development at Samsung’s R&D arm to leading red team engagements in fintech and consumer products, giving him rare cross-domain perspective. Based in Brazil, he pairs technical depth with curriculum design and mentorship, often translating complex offensive techniques into practical, repeatable learning labs.
8 years of coding experience
7 years of employment as a software developer
Specialization, Computer Network Security, Excelência Acadêmica, Specialization, Computer Network Security, Excelência Acadêmica at University of Campinas (UNICAMP)Bachelor, Computer Engineering, Bachelor, Computer Engineering at Brazilian National Institute of Telecommunications (INATEL)Master of Business Administration - MBA, Cyber Security - Forensics, Ethical Hacking & DevSecOps, Master of Business Administration - MBA, Cyber Security - Forensics, Ethical Hacking & DevSecOps at Faculty of Informatics and Administration of São Paulo (FIAP)
Portuguese, English, Spanish
Github Skills (6)
linux1
bash1
escalation1
privilege1
privilege-escalation1
security1
Programming languages (3)
Github contributions (5)
gustavocelani/kernel_linux_contribution
May 2019 - Apr 2021
Contributions:5 commits, 4 pushes, 1 branch in 1 year 11 months
gustavocelani/android_http_server
Jun 2020 - Apr 2021
Contributions:3 commits, 1 push in 10 months
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