Author of The Reference
Marie Castelli
Partner, Mentivis
An economic journalist, Marie Castelli spent fifteen years covering markets in China. Watching one of the world's fastest-moving economies up close, where economic and geopolitical stakes meet, gave her a rare perspective on how value is built, circulates and is passed on. A specialist in economics, training and geopolitics with a passion for education, she joined Mentivis as a Partner to bring that reading of the world to training and talent. Among other things, she leads the firm's talent network.
Reference articles (46)
- Learning with AI: what the research really says
- What learners expect from an AI learning platform in 2026
- What AI cannot do in training
- How to choose an AI training system: the right questions to ask
- Adaptive learning: definition, mechanisms and evidence
- How an AI agent supports a learner without replacing the trainer
- How AI personalises and adapts a training path
- Skills development plan in France: obligations, content and pitfalls
- Funding employee training in France: OPCO, CPF, retraining (2026)
- Mandatory workplace training in France: legal duties by sector
- Career review interview in France: 2026 rules, penalty and content
- AI Act Article 4: mandatory AI training, what companies must do
- AI maturity in companies: how to assess it and what to do next
- Training and financial performance: what the studies say
- Instructional design: why so many training programmes fail
- Personalised learning paths in workplace training: myth or reality in 2026?
- AI compliance and training: the AI Act and the skills to develop
- Skills measurement: methods, tools and metrics
- Beyond the LMS: understanding and choosing your training tools
- Adaptive learning and personalised learning paths: the guide
- Skills mapping: definition, 5-step method and example
- The LMS is no longer enough: what an AI training system adds
- LMS, LXP, adaptive learning, AI training engine: how to tell them apart
- Alternatives to the LMS for training with AI: an overview by category
- How much does an AI training system cost for a company?
- GEPP (formerly GPEC): definition, obligations and implementation
- OPCO funding in France: procedures, conditions and the 11 OPCOs
- Competency framework: definition, how to build one and examples
- Skills matrix: definition, template and how to use it
- Skills-based hiring: assessing a candidate against the job
- What is an LMS? Definition, features and pricing
- Alternatives to 360Learning: comparing training platforms
- Individualised learning paths for French training providers and CFAs: rules and methods
- How to build a business case for an AI training system
- Measuring skills acquisition: beyond the completion rate
- Which AI skills to train first by role and sector?
- Skills obsolescence: how do you know if your team is at risk?
- Training staff in AI or hiring AI talent: a cost-benefit analysis for HR
- Measuring the ROI of a training plan: the Kirkpatrick and Phillips methods
- Training ROI by sector: what the data can and cannot tell us
- Scarce skills in France in 2026: shortage occupations and what to do
- GDPR and workplace training: what HR Directors need to know
- Training managers to manage in an AI-augmented workplace: where to start?
- Training metrics: the 7 KPIs every L&D team should track
- E-learning completion rates: what the research really says
- Learning organisation: definition and what it means for HR directors