About
Hi! My name is Yohan and I have embarked on an exhilarating journey of career change to follow my true passion. After leaving the job that shaped me (9 years), I completed a professional Master's degree in Data Analyst. I'm now ready to join your team!
Data Analyst
Embracing a data-driven mindset.
- Birthday: 18 May 1993
- Website: ygdata.ch
- Phone: +33 648 648 916
- City: Vetraz-Monthoux, France
- Age: 31
- Degree: Master I - RNCP 6
- Mail: y.grenier@protonmail.com
- Availability: Now
I'm a dynamic thinker, driven by innovation and a commitment to efficiency and quality. I take pride in offering fresh, creative proposals, leveraging my unconventional approach. Whether working independently or in a team, I bring a joyous spirit to the process. Leadership, to me, is about fostering collaboration, open-mindedness, and mutual trust to achieve shared goals. My diverse journey through various fields has provided me with a unique global perspective, enhancing my skills in analysis and synthesis. I believe in infusing this perspective into every endeavor, drawing on a rich tapestry of acquired skills. Beyond my professional pursuits, I'm an explorer in the tech and machine learning realms, and you'll often find me bouldering, freediving, hiking, or embarking on adventures.
Facts
A brief summary of my years working for the largest hypermarket in Switzerland (French-speaking part)
Movement types & 100M Chf turnovers & 100k references analyzed per year
Contracts managed per year (B2B & B2C)
Presentation Sales Review during meetings
Colleagues trained regularly in IT tools and dashboards
Skills
Investment of time spent on skills developed at work, in my leisure time & consolidated by my recent professional studies
Resume
My unusual background is certainly a strength that has allowed me to develop a number of soft skills, Let me introduce you to my professional journey
Education
Master's degrees, Data Analyst
04.2023 - 01.2024
OpenClassRooms & ENSAE Paris, FR
Self-funded training with the following achievements :
- Exploratory data analysis, building predictive models and evaluating their performance
- Use algorithms such as linear regression, classification (logistic regression, KNN, XGBoost) and clustering (Kmeans, CAH, DBSCAN)
- Collecting, processing and analysing complex data to extract strategic insights
- Checking hypotheses and the significance of results using statistical tests
- Creating dynamic reports and clear visualisations to efficiently communicate the results of analyses and recommendations
- Experience in managing end-to-end analytical projects, from data collection to presentation of results
- Ability to work in a team and collaborate with internal and external stakeholders
- Excellent command of project management methodologies and collaboration tools
- Proficiency in : Python [ Data science libraries ] , Jupiter, SQL, Knime, Power Bi, DAX, Excel, Powerpoint ]
Federal Capacity Certificate (CFC), Retail Manager
03.2021 - 11.2021
OFPC, CH
Validation of acquired knowledge (VAE) by the presentation of a case based on my professional experience
Baccalaureat, Industrial Sciences & Technologies
09.2008 - 06.2011
Graduate School Jean Monnet, FR
- Design: specifications, prototypes, overall drawing, definition drawing, targeted efficiency
- Organize: definition of raw materials, create manufacturing tools, develop processes & manage production
- Manufacture: machine, control & assemble
- Marketing: researching new needs, selling, analysis of communication & distribution channels
Professional Experience
Operations and Process Improvement Analyst, Migros
05.2021 - 01.2023
MMM Balexert, Vernier, CH
- Analyses & syntheses of KPIs with a turnover of around CHF 100M/year: Synthesise the situation of the KPIs & benchmarks in order to extract useful insights for the Management team, the Steering Committee or the Executive Committee
- Presentation of the figures and suggested applications to optimise the KPIs: Weekly summary session on the KPIs situation for the 12 managers, the vice-director and the director
- Training and management of IT tools & Power Bi for a team of 180 people: Documenting operations and procedures, and training and monitoring staff in the field
- Setting up pilot projects, sharing platforms and procedures: Making news available to everyone by creating Sharepoint pages and organising tasks using Planner
- Simplifying the day-to-day work of operational staff & improving efficiency: Automate recurring tasks by transforming 3 hours/week of research into ONE click using VBA
- Manage goods movements, contracts and b2b|b2c orders: Organise and monitor the various indicators, then communicate solutions to the right people
Second Manager / Specialized Market Salesperson, Migros (SportXX)
04.2014 - 05.2021
SportXX Balexert, Vernier, CH
- Sales analysis, losses, optimization of KPIs
- Proactive search for new partners and improvements
- Proactive monitoring of sports & technological developments
- Management of B2C contracts
- Liaison between a team of 11 people, the n+1 +2 hierarchy & the merchandiser
- Management of a team of 11 people
- Management of a specialized section "Ryffel Running"
- Merchandise presentation
Recommendations
Colleagues who enjoyed working with me comment:
J'ai eu le plaisir de travailler avec Monsieur Grenier pendant deux années en tant que Responsable magasin à la Migros MMM Balexert. [...] Je suis convaincu que Monsieur Yohan Grenier apportera une grande valeur ajoutée à sa prochaine famille professionnelle. Sa passion pour les données, sa capacité à résoudre des problèmes complexes et sa volonté d'apprendre en font un candidat idéal pour ce poste. Je vous encourage vivement à considérer sa candidature et je suis convaincu qu'il sera un atout précieux pour votre équipe. [...] Je vous remercie de prendre le temps de lire cette recommandation et j'espère sincèrement que vous donnerez à Monsieur Grenier l'opportunité de faire partie de votre entreprise. Show the complete recommendation, clic here !
Christian Balmat
Responsable MMM Balexert chez Société coopérative Migros Genève
Yohan est quelqu’un de foncièrement positif, engagé et professionnel. Ouvert d’esprit et avec un contact chaleureux, il est a l’écoute et apporte un conseil avisé. Je lui souhaite tout le succès qu’il mérite!
Adeline Ventrone
Marketing & Communication manager de Balexert
J’ai eu beaucoup de plaisir à collaborer avec Yohan qui a travaillé en tant que vendeur puis adjoint dans un des magasins Sportxx dont j’avais la responsabilité. J’ai toujours été très satisfait de ses prestations. J’ai pu notamment apprécier la qualité de son savoir-être (enthousiaste, ouvert d’esprit, entreprenant et autonome) et ses compétences en matière d’analyse et de créativité. Puis pendant 2 ans il a occupé au sein de notre entreprise le poste de coordinateur support gestion marchandise où il a démontré une grande capacité à communiquer entre les équipes transversales. Je lui souhaite pleins de succès pour la suite de sa carrière professionnelle.
Dominique Zollinger
Responsable de vente regional chez Société coopérative Migros Genève
Toujours disponible, cela a été un réel plaisir de collaborer avec Yohan. La communication efficace et son esprit d'initiative ont réellement facilité notre travail quotidien. Face aux problématiques rencontrées, il n'hésite pas à chercher des solutions dans les équipes transverses afin d'optimiser l'efficience de nos process par sa créativité, sa pédagogie, son esprit d'analyse et ses compétences Excel/VBA. Heureux d'avoir avancé ensemble, je te souhaite une excellente lancée dans ton objectif d'évolution professionnelle !
Flavio Marsano
Gestionnaire Opérations Clients B2B chez Société coopérative Migros Genève
Contact
Feel free to contact me to discuss an opportunity.