Sandra Heyde is a English Second Language Instructor and Jury at Epsi. She possess expertise in crm, marketing strategy, product development, project coordination, marketing and 15 more skills. Colleagues describe her as "Sandra is clearly an asset you want to have at your side in your company. Non content of being a dedicated professionnal with a solid and recognized business background in various areas, she has excellent communication skills, and she is able to understand complex technical issues as sharply as most engineers do. Further than that Sandra is a rock in a team on which others can rely, remaining positive, cheerful, and supportive even in underpressure environment I have had the pleasure to have her in my team for 18 months, and as you may already have understood I recommend her without any form of reserve. Matthieu Boulay" and "Sandra est une excellente collaboratrice, très compétente, professionnelle, et sérieuse. De part son engagement et dynamisme, elle a mis en place le site internet et monter le service marketing d'eau de Paris en moins de une année tout en ouvrant commercialement les services innovants et inexistants dans le domaine de l'eau."