About Mehdi
French
Native or bilingual
English
Fluent
Experience
- Fondateur — ALTARYSHR Strategy Expert | Part-time HR Director for SMEs/Mid-capsCONSULTING AND AUDITSSeptember 2025 - Today (11 months)Paris, FranceAltarys offers the HR function of a group in the format and cost of an SME. I support the leaders of growing or transforming multi-site SMEs/mid-caps (40-150 employees) — by first relieving them of the daily HR tasks that consume them: contracts, payroll, disputes, managers, reporting.My clients call me at 3 specific moments:→ Growth difficulty — the organization can no longer keep up with the strategy→ Degraded social climate — turnover, disciplinary risks, litigation→ Lack of HR management — the leader manages alone, the team morale erodes**My proprietary method — Risk Compass™**:
- Quantified diagnosis across 7 dimensions
- Social risk mapping quantified in euros
- Prioritized action plan with measurable KPIs
- Monthly monitoring integrated into the executive committee — not just another PowerPoint
**Format**: 1 to 4 days/weekSMEs/Mid-caps 40-150 employees · Île-de-France priority + remote regionsSectors: retail · e-commerce · hospitality · multi-site services · logistics · healthcare - Plantes pour tousChief HR Officer / Group HR DirectorRETAIL (SMALL BUSINESS)May 2022 - June 2025 (3 years and 1 month)Paris, FranceGroup HR Director for a hyper-growth multi-site SME, CODIR position, scope France · Netherlands · Germany.Key results over 3 years:- Turnover ↓ 52% in 18 months (hyper-growth group, tight retail labor market)- Average seniority ↑ 39% — stabilized teams, retained expertise- 0 proven labor court litigation during the period, despite 2 restructurings and several site closures- Opening of 3 stores in 4 months, creation of legal entities and recruitment of field teams- Payroll controlled at +2.7% vs inflation, in a context of +40% workforce absorbed in 8 months- Significant ↓ time-to-hire after redesigning recruitment and onboarding processes- Uniform HR framework deployed across 100% of sites and entities (France · NL · DE)- CSE established and operational within legal deadlinesScope covered:HR Strategy · KPI & CODIR reporting management · Social dialogue and employee representation bodies · Restructurings and site closures · Disciplinary procedures · Multi-country social compliance · Manager and executive committee support
- Ecoreso AutonomieHR ManagerMEDICALFebruary 2018 - February 2021 (3 years)Rungis, FranceManagement and complete structuring of the HR function for a company in the medico-social sector. Mission of compliance and professionalization.Key results over 3 years:- HR administrative time ↓ 50% after process redesign and targeted payroll outsourcing- 100% social and regulatory compliance achieved (contracts, registers, DUERP, internal regulations)- 0 collective dispute during the entire period, despite a period of rapid growth and team movements- Deployment of a QVCT and prevention program: significant reduction in incidents related to working conditions- Redesign of recruitment and onboarding: improved attractiveness and retention in in-demand professions- Creation of career paths and support for managerial skill developmentScope: Personnel Admin, payroll, social law, social dialogue, recruitment, training, QVCT, compliance.
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Education
- HEC Paris – Business StrategyHEC
- Master Human ResourcesSUP des RH