David is the EMEA Azure CTO at Palo Alto Networks. Before that, he was an independent consultant helping companies secure their Azure environments through private expert level trainings and assessments. He has authored two books on Azure security - "Penetration Testing Azure for Ethical Hackers" and "Microsoft Azure Security Technologies Certification and Beyond. He has also authored multiple cloud computing courses for popular platforms like LinkedIn Learning. He holds over 15 cloud certifications and has over a decade of experience in Cybersecurity (consultancy, design, implementation). David is married to a lovely girl who makes the best banana cake in the world. They love travelling the world together!