CEO, COO, Chief of staff (full time or fractional) for companies based in Belgium, Luxembourg, and North of France Key responsibilities may include: Executive leadership team functions, and​/​or acting as a strategic thought partner to the CEO Managing cross-functional projects, OKR tracking, and strategic initiative execution Driving operational excellence through process improvements, systems implementation, and workflow optimization Preparing internal communications, board presentations, and strategic briefings Leading executive meeting preparation, follow-ups, and action item tracking Advising on organizational planning, resource allocation, and priority setting Supporting fundraising, M&A readiness, investor relations, or special projects as needed Acting as a liaison between leadership, departments, and external stakeholders to maintain alignment and velocity