IN : I teach all levels, from secondary school through university, mainly in maths and physics. I'm currently doing a master's in the Mathematics Department at ETH Zürich, after a bachelor's in Aerospace Engineering from TU Delft (Netherlands). Lessons taught in English or French only. I prepare students for international curricula: IB (Maths AA/AI, both HL and SL), IGCSE and A-Levels, as taught at Zurich's international schools (ZIS, ICS, SIS, Lycée Français, and others), as well as the French baccalaureate (maths and physics-chemistry specialisms). At university level, I help with engineering maths (Calculus 1 & 2, differential equations, linear algebra) along with statics and dynamics, subjects I covered extensively during my degree, including for ETH and UZH students following courses taught in English. Depending on what's needed, I can introduce new concepts, consolidate material already covered in class, or prepare for exams through mock tests and past papers under real conditions. I adapt to each student's learning style to make sessions as effective as possible. FR : I teach at all levels, from secondary school to university, mainly in mathematics and physics. I am currently pursuing a master's degree in the mathematics department at ETH Zurich, after a bachelor's degree in aerospace engineering at TU Delft (Netherlands). Courses are taught in French or English only. I prepare students for international courses: IB (Maths AA/AI, HL and SL levels), IGCSE, and A-Levels, as taught in Zurich's international schools (ZIS, ICS, SIS, Lycée Français, etc.), as well as the French Baccalaureate (Mathematics, Physics-Chemistry specialization). At the university level, I provide support in engineering mathematics (analysis 1 & 2, differential equations, linear algebra) as well as in statics and dynamics, subjects I have extensively taught during my own studies, including to students at ETH Zurich and UZH taking courses in English. Depending on the needs, I can introduce new concepts, reinforce notions already covered in class, or prepare for deadlines through mock exams and past papers corrected under real exam conditions. I adapt to each student's learning style to make the sessions as effective as possible.

➤ Turn your trades into victories! Whether it's to negotiate a contract or remuneration, defend an idea, advance a project, start a business, convince a partner, gain the support of a team, resolve a conflict or simply make yourself better understood, one thing can make all the difference: knowing who you are dealing with and how to communicate with that person. Because there is no single way to communicate effectively. The same method won't work for everyone. A rational person isn't persuaded in the same way as an emotional one. A cautious person doesn't react like an ambitious one. A decision-maker, a colleague, a client, an investor, a partner, or a loved one doesn't have the same expectations, motivations, or interests. The goal is therefore to learn to observe, understand, analyze and adapt your communication in order to deploy the right tool, the right method and the right strategy, at the right time and in front of the right person. ➤ Understanding humans to communicate better Our way of communicating relies largely on understanding certain mechanisms of human psychology. Human beings are naturally attentive to what directly concerns them. They are sensitive to their interests, needs, fears, curiosity, recognition, need for security, and desire to be understood and valued. The idea is therefore not simply to say what you have to say, but to understand: -How can you make your interlocutor want to listen to you? -How can you present your message so that it makes sense to him? -How to spark their interest? -How can we address his concerns before he even expresses them? -How to create a dynamic favorable to your objective? For example, rather than immediately presenting an idea solely from your own perspective, you will learn to identify what may interest your interlocutor and to build your communication around their concerns. Even a simple, common phrase like, "What I'm about to explain could be of real interest to you, particularly because..." can already capture more attention than a presentation focused solely on your own needs. But of course, there are many more techniques for subtly influencing someone. Similarly, understanding certain mechanisms such as curiosity, self-interest, recognition, trust, consistency, emotion, or risk perception allows for a more relevant and effective approach. ➤ Profiling & analysis of interlocutors Before communicating effectively, you must first understand who you are addressing. You will learn to analyze your interlocutor through different elements: -His way of communicating -His priorities and interests -His motivations ️ --His needs and expectations -His potential resistance and objections -His decision-making process -His relationship to risk -His personal or professional stakes -The verbal and non-verbal signals he can express -What can promote or hinder its adoption The goal: to no longer communicate automatically or identically with everyone. You will learn to adapt your speech, posture, arguments, questions and strategy depending on the person you are facing. ➤ Advance your projects and ambitions Do you have a project? Do you want to create a company, launch an activity, advance within your organization, defend an idea, obtain the agreement of a decision-maker, or get several people or departments to collaborate? A project is not based solely on its quality. It also depends on your ability to: - Identify the right contacts -Understanding the interests of each stakeholder -️ Knowing how to approach each person - Adapt your communication according to the department or function - Present your project from the angle most relevant to each individual - Anticipate objections and resistance - Create alliances and gain support - Negotiating effectively when interests diverge - Knowing when to insist, when to rephrase, when to wait, or when to change approach The same project may require several communication strategies depending on the person you are addressing. The goal is to give you the necessary tools to understand this dynamic and move your project forward with more method, strategy and efficiency. ➤ Negotiation: much more than defending one's position Whether it's for negotiating: A contract A salary A partnership A budget A strategic project A career progression A decision Or resolve a conflict Negotiation is not just about finding good arguments. It also involves understanding: Who is in front of you? What he really wants. What he stands to gain. This is what he is trying to avoid. What are his interests? What are its constraints? And what strategy can create a favorable outcome? ➤ On the agenda: support tailored to your objectives -Psychology of communication & understanding of behaviors -Understanding some fundamental mechanisms of human psychology -Identify the needs, motivations and interests of your interlocutors -Understanding why some approaches work with some people and fail with others -Use interest, curiosity, recognition, trust and other communication levers -Craft a message that makes people want to listen Profiling and analysis of interlocutors -Observe and analyze how a person communicates -Identify your priorities and your way of working -Detect potential resistance and objections -Understanding verbal and behavioral signals -Adapt your strategy to the person and the context Persuasive communication -Formulate your arguments with impact -To promote your ideas so that they are considered -Structuring a convincing speech -Ask the right questions -Create interest and engagement -Adapt your language and your approach -Develop your ability to persuade without engaging in unnecessary power struggles Strategic negotiation -Identify and utilize negotiation levers: alternatives, common interests, concessions, and room for maneuver -Preparing effectively for a negotiation -Anticipate different scenarios -Identify the interests and positions of stakeholders -Build a suitable strategy -Managing objections and deadlock situations -Knowing how to evolve a discussion when the initial strategy is not working -Maximize your chances of reaching a favorable agreement Project strategy & support -Clarify your objective and your strategy -Identify the different stages and priorities -Understanding who to interact with and in what order -Prepare your discussions with the various stakeholders -Adapt your communication according to the departments, partners or decision-makers Prepare for your important appointments -Anticipate difficulties and resistance -Deploy the most relevant tools and methods according to each step Conflict management and complex situations -Understanding the mechanisms that give rise to a conflict -Identify the real issues behind the positions expressed -Manage your emotions and those of the person you are speaking with -Develop active and strategic listening -Moving beyond unnecessary power struggles -Regaining control of a difficult exchange -Find constructive and sustainable solutions The right tool, at the right time, with the right person This is one of the central principles of this support. Knowing a technique is not enough. You also need to know: -When to use it. -With whom. -In what context? -And in what a way. The same technique can be extremely effective with one person and totally counterproductive with another. You will therefore learn to develop a true strategic reading of interactions, so that you no longer act solely on intuition, but understand the dynamics at play and consciously choose your approach. ➤ Tailored support This program is aimed particularly at: -Entrepreneurs and project leaders -Business leaders and executives -Managers and executives -Young professionals -Self-employed individuals and professionals -People wishing to advance within their company -Liberal professionals (lawyers, doctors, etc.) -Anyone with a project, ambition, or goal to achieve -Anyone wishing to improve their relationships and communication in a personal setting Each support program is tailored to your specific situation and concrete objectives. We can work directly on your projects, negotiations, appointments, relationship difficulties, or professional situations. The goal is not simply to learn concepts. You learn to use them practically in your own life. ➤ A practical, engaging, and results-oriented teaching approach We alternate methodological input, analysis of real situations, role-playing, simulations, preparation of your discussions and personalized feedback. You can bring: -A project to be developed. -A negotiation to prepare for. -An important appointment. -A conflict to be resolved. -A difficult person to manage. -An idea worth defending. -A business to launch. -Or simply an ambition you wish to realize. Let's analyze the situation together: -What is your objective? -Who are the relevant stakeholders? -What are their interests and what is at stake? -What obstacles might arise? -What strategy should we adopt? -What approach should be used? -Which arguments should be prioritized? -What tools should be deployed? -And most importantly: at what point? ➤ Become a strategic communicator The goal of this support is to enable you to develop a skill that will serve you in all areas of your life: -Understanding people. -Understanding the situations. -Understanding the issues. -Then adapt your communication and strategy to achieve your objectives. Whether you are setting up a project, developing a business, advancing professionally, negotiating an opportunity or managing a complex personal situation, you will have concrete methods, tools and strategies to communicate with greater impact, intelligence and efficiency. Stop letting your projects, ideas, or ambitions depend solely on your intuition. Learn to understand people, decode situations, and deploy the right strategy at the right time to advance what truly matters to you. ✅ THE TRAINER - TEACHER CONSULTANT A graduate of a prestigious French Grande École and an Ivy League university in the United States, he combines academic rigor with modern teaching methods. With over 18 years of experience in Europe and North America, he has taught at prestigious international institutions (both public and private), and regularly speaks in Switzerland, France, Belgium, Luxembourg, and Canada, as well as at various forums and conferences. A recognized specialist, he offers personalized and accessible support based on active listening, a proven methodology, and tailored teaching methods. Whether through one-on-one sessions, workshops, or group training, his approach combines customization, efficiency, and professionalism for rapid, visible results. ✅ LOCATIONS: Switzerland (Geneva, Lausanne, Fribourg, Zurich, Neuchâtel, Lugano, Basel, Bern, Lucerne), Belgium (Brussels, Antwerp, Charleroi, Liège), Luxembourg. On request: France (Paris, Lyon) and Canada (Montreal). Currently, we primarily use videoconferencing, a highly popular format: it offers the same quality as in-person meetings, flexible organization, time savings, flexibility, comfort, and an eco-friendly approach. Content, notes, and recommendations are shared directly via a dedicated chat. ➤ Languages: French and English. ➤ Reduced and stable fees, accessible without compromising on quality. ➤ Gift vouchers available all year round. ➤ Schedules defined together according to your constraints. ➤ 100% tailor-made program, adapted to each need. ➤ Noticeable progress from 2 sessions (2026 study). ✅ Why choose this training? -International expertise at the service of your objectives. -Personalized sessions with concrete tools. -A lively, interactive and results-oriented approach. -A motivating and supportive environment, fostering confidence and rapid progress. -Tangible results in just a few sessions.

Programming and web development courses, taught by a senior software engineer with 7+ years of professional experience. I work daily with React, TypeScript, Python, and Node.js for Swiss clients in the aerospace, energy, and industrial sectors through my company, Alpine Wings GmbH. I offer courses tailored to your level and objectives: Beginner — first steps in programming, understanding the web (HTML, CSS, JavaScript), building your first website Intermediate — learn React or Python in depth, understand REST APIs, structure a project Advanced — software architecture, technical interview preparation, code review, support for your personal projects My teaching approach: I start with concrete projects and progress at your pace. I emphasize understanding rather than memorization, and I share best practices used in business. Graduate engineer from ECE Paris. Native French speaker, fluent English, B2 level German.

I am a PhD physicist and teacher known for being able to explain the most complex topics in the simplest way, from Newton's laws to the high-school student, to quantum physics to the university student. Teaching focus: - Fundamental theory: most difficulty in solving exam problems does not come from the complexity of the problem but from the student not being comfortable with the theory. - Problem solving: breaking a question down into its simplest parts, visualising the physics involved. Format: - Lessons at my home where I have a whiteboard and desk set up for teaching - Online via Google meet - Lessons at the student home (depending on distance, possible surcharge) Exams: Any pre-university examination, including Matura, PAM, IB, A-levels. The type of exam is not as important as the topics being studied. What students say: - "I had to repeat the first semester of medical school because of physics, and after working with Ralph, physics actually became one of my best subjects. He explained the theory incredibly clearly and went through the exercises step by step. I could ask questions at any time, and I was also able to decide what pace we wanted to work at during our lessons." (Helena, UZH student) Personal accomplishments: - Gold medalist at the International Astronomy Olympiad (Beijing 2005) - Lecturer at ETH Zurich 2020-2024 - Phd in Theoretical Physics, University of Bristol - B.Tech. in Engineering Physics, IIT Bombay

Want to improve your English or Spanish? 📚✨ I speak English and Spanish natively and have experience since I was 15 years old giving private lessons and academic support. I adapt to the level and objectives of each student: conversation, grammar, vocabulary, exam preparation, homework and school reinforcement. 📩 Personalized and dynamic classes.

Computer Science & Mathematics Tutoring I offer personalized tutoring in Computer Science and Mathematics for students from high school / Gymi level. Whether you're struggling with a specific concept, preparing for an exam, or want to get ahead in your coursework, I tailor each session to your goals and pace. Subjects covered: Mathematics: algebra, calculus, linear algebra, statistics & probability, discrete math Computer Science: programming fundamentals , data structures & algorithms. Exam preparation: Matura / Gymi entrance exam My approach: I focus on building real understanding, not just memorizing steps — working through problems together, explaining the "why" behind concepts, and giving you practice tailored to where you're stuck. Sessions are structured around your specific coursework or goals, whether that's homework help, exam prep, or learning a topic from scratch. Background: I'm a 2nd year student in Computer Science at ETH Zurich. Format: Online sessions via Zoom, with a shared whiteboard/screen-share for working through problems live. Flexible scheduling, and I'm happy to do a short intro call first to make sure it's a good fit.

Support and or Home schooling in mathematics at the levels listed above. Exam preparation. I like to lead my learner towards their own solutions through direct questions. I use past exam papers, year assessments and my own topic tests as well as those from Corbett maths and MathsGenie etc. I try and find a level at which the student can work independently and experience some success.

Learning a new language shouldn't feel like endless memorization; it should be a practical tool you can use every day. Whether you want to master English, German, or Arabic, this course is designed as a hands-on guide to help you build real-world communication skills, no matter your starting point. In this class, we focus on interactive, skill-based learning tailored to your specific proficiency level, from complete beginner (A1) to advanced fluent (C1). Open to learners of all ages, from kids and teens to adults and seniors; You'll gain the confidence to speak, write, and understand your chosen language naturally. By the end of the course, you'll be able to navigate everyday conversations, hold meaningful discussions, and express yourself clearly and comfortably in real-life situations.

An engineer at Télécom SudParis (Institut Polytechnique de Paris) and currently doing an internship at SWISS International Air Lines in Zurich, I have been giving private lessons in mathematics and physics for over 4 years. I support students of all levels: middle school, high school, Swiss Maturity, preparatory classes and first years of university. My goal is to enable each student to fully understand the concepts studied and to become more independent. Each session is tailored to the student's level and objectives, whether it's filling in gaps in knowledge, preparing for a test, passing an exam, or striving for excellence. During class, we work on: • understanding of fundamental concepts; • the method for solving the exercises; • the tips and reasoning expected in exams; • progressive exercises followed by past papers. I place great importance on pedagogy, patience and rigor in order to build students' confidence and enable them to make lasting progress.

Playing harp my whole life, I wanted to share its beauty with others. I enjoy the most and find most joy teaching others. I would like everyone to be able to play these ethereal sounds on their own. ♡ Feel free to reach me out for any further questions!

My mother tongue is Italian, and I would be very happy to help you learn this beautiful language. Whether you are a complete beginner or already have some knowledge, I can adapt the lessons to your level and goals. Together, we will improve your speaking, listening, reading, and writing skills in a relaxed, friendly, and supportive environment. I look forward to helping you gain confidence and enjoy learning Italian!

Experienced international marketing & communications professional and music publisher. Proficient in the following languages: English, German, Italian, French, Spanish, Portuguese. - Communications (advertising campaigns, brochures, direct marketing, online communications) - PR and media contacts (including annual reports, press releases, press conferences) - Strategic marketing (primary and secondary market research, category management) - Trademark management - Budget management - Event marketing (planning, coordination, implementation) - Online marketing (online direct marketing, SEO, SEM, website optimization, online advertising, video marketing, e-mail marketing) - Transcreation - Natural language processing - Music publishing - Sale of digital music Specialties: Marketing, communications, music publishing, licensing, transcreation

With over 15 years of teaching experience, mostly including years at a music school for highly talented young musicians, I have guided students of all ages, abilities, and ambitions—from complete beginners to advanced musicians preparing for exams, competitions and conservatory entrance. I teach music theory (including ear training, harmony, and music analysis) and piano to children, teenagers, conservatory students, and adults. I also specialise in preparing students for conservatory entrance exams and advanced music studies, offering structured support in music theory and overall musicianship. My lessons are engaging, motivating and carefully tailored to each student's individual strengths and goals. Lessons are available at my home in Zollikon, online, or - by arrangement - at a nearby location. I teach in English, German, Russian, and Latvian.

German learning means to be able to enter the multifaceted German world. No matter your current level or your past struggles with German, I am here to guide you to communicate in German with confidence from day one. My lessons are completely stress-free and entirely customized to your unique learning style, personality traits and goals.