Course Description: This course provides participants with a comprehensive immersion in negotiation techniques, public speaking, and effective communication. Its goal is to strengthen the interpersonal and strategic skills essential for success in a variety of professional settings. Course objectives: Develop negotiation strategies adapted to different contexts. Master public speaking techniques to captivate and convince an audience. Improve the clarity and impact of your interpersonal and professional communication. Know how to manage situations of tension and disagreement with confidence and diplomacy. Adaptation to the level of participants: The content and activities are designed to be tailored to the participants' level and experience. Practical exercises, scenarios, and simulations allow everyone to progress at their own pace, whether consolidating basics or refining advanced skills. Languages and formats: This course can be taken in English, French, or Spanish, depending on the participants' needs. It is open to both individuals and groups, with specific advantages for groups, both in terms of preferential rates and enhanced learning outcomes thanks to the group dynamic. At the end of this course, participants will be equipped with concrete tools to negotiate effectively, express themselves with impact and communicate with confidence in their personal and professional environments.