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Testimonials
What clients and trainees say about working with me
Training Recommendations
Commercial Manager, Diriyah, KSA
«I found Oussama to be highly professional throughout the Effective Purchasing and Contract Negotiation Management course. He delivered complex procurement and contract negotiation concepts with exceptional clarity and structure, ensuring the content was both accessible and directly applicable at a senior executive level. His disciplined delivery, practical insights, and ability to clearly articulate negotiation strategy demonstrate deep industry experience and a strong understanding of real-world commercial decision-making.»
Solutions Delivery Manager, Diriyah, KSA
recently completed a Scrum Master course taught by Oussama Zebda, and I truly appreciated his dedication throughout the training. He was very approachable and easy to communicate with, always making sure everyone understood the concepts before moving forward. I also liked how he tailored his slides and explanations to match the attendees’ level of understanding, which made even complex topics easy to grasp. Overall, his teaching style was clear, engaging, and supportive.»
Senior Procurement Operations,
Diriyah, KSA
«Throughout the E-Procurement Implementation and management course, Oussama demonstrated outstanding subject knowledge, clear communication skills, and a genuine passion for teaching. Every session was engaging and easy to follow. He was patient, supportive, and consistently went the extra mile to help us apply the material effectively in practice.»
Restaurant Owner, Côte d'Ivoire
«Oussama delivered a Strategy Execution course that exceeded my expectations. The content was clear, well-structured, and immediately practical. He showed strong subject mastery, was consistently well-prepared, and answered questions with precision. Approachable and supportive, he ensured everyone kept up. I highly recommend him as a trainer.»
Client Recommendations
Bruno Delphin, Corporate Cybersecurity at Veolia
«I had the opportunity to work alongside Oussama for several years and benefit from his expertise and rigor in assessing Veolia’s IT suppliers from both a technical and legal standpoint. His follow-up was highly professional, and his strong interpersonal skills enabled him to communicate every message effectively—whether positive or more difficult. His smile and ease never distracted him from his mission or from the rigor required to meet Veolia’s objectives. He managed to combine good humor with discipline, and it was both a pleasure and a source of pride to share those great years at Veolia. Wishing you all the best, Oussama!»
Nadine Tigrett, Senior Legal Counsel Head
of IT Digital & Data at Veolia
«During his time at Veolia, Oussama was instrumental in managing the complexities of our Design & Legal Assessment (DLA) process. He has a remarkable talent for taking high-level cyber and legal risks associated with SaaS/Cloud solutions and turning them into clear, actionable assessments. Oussama is deeply dedicated to his work and maintains a high level of professionalism even under tight deadlines. His collaborative spirit and ability to align diverse stakeholders—from IT to Legal—made him a key player in our team. I strongly endorse him for any role involving digital risk management or IT strategy.»
Acher Elgrably, Cybersecurity Operations Lead at Veolia
«I had the opportunity to work with Oussama, a professional whose rigor and cybersecurity expertise made it possible to effectively embed security into projects. He stands out for his ability to engage stakeholders, business, technical, and security teams, by fostering constructive dialogue and facilitating decision-making. I highly recommend him.»
Khaled ODEH, Information System Audit Manager at Veolia
«I had the opportunity to work with Oussama during his assignments as an external IT consultant within our company. He was particularly involved in evaluating IT solutions, ensuring their compliance with our internal policies as well as their security level.Throughout his assignment, Oussama stood out for his rigor, professionalism, and strong technical skills. He quickly understood our challenges, produced relevant analyses, and effectively supported teams in bringing tools into compliance.Beyond his professional strengths, Oussama also has excellent interpersonal skills. His ability to connect and collaborate with a wide range of stakeholders greatly facilitated his integration and contributed to the success of his assignments. I highly recommend Oussama for any mission related to cybersecurity, compliance, or technical evaluation of IT solutions, as well as IT risk management. He is a reliable and skilled professional, and I would not hesitate to work with him again.»
Stéphane Gustin, Cloud Architect at Veolia
«I highly recommend Oussama for his expertise in assessing SaaS solutions within the DLA (Design & Legal Assessment) team in Veolia Environnement’s CTO Office. Over his three years with the team, Oussama demonstrated deep mastery of the process and evaluated SaaS solutions from multiple angles, including technical architecture, cybersecurity, artificial intelligence, and GDPR compliance. His ability to conduct rigorous analyses and identify potential risks significantly strengthened the security and effectiveness of the company’s IT systems. His methodical approach and strong understanding of regulatory challenges make him a valuable asset for any organization looking to optimize and secure its information system.Beyond his technical skills, Oussama also stands out for his ability to communicate effectively with a wide range of stakeholders across Veolia and in many countries. He built trusted relationships with stakeholders at different levels and from diverse professional backgrounds, which helped drive collaboration and adoption of the recommendations resulting from his assessments. I am confident that Oussama will continue to excel in this constantly evolving field.»
