Formerly founded in 2011 as OPEXHA now renamed as ATELIERS ACHATS, can help companies and people in : - Microsoft Excel through either a coaching (remotely) exercises, to be more efficient at work - Purchasing issues (Negotiation with customers or suppliers) - Change management (Digital or new process) - Coaching (business and life) Former CEO of OPEXHA and currently freelance at ATELIERS ACHATS Benjamin is certified in Change Management (PROSCI - ADKAR), he has been learning new approaches in Change at Wharton Executive Education in 2019 and is certified in Digital & Blended Training at Digital Trainer.