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Marine LeoniML

Marine Leoni

Supermalter

B2B Event Project Manager

€445/day
19 projects
Paris, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Marine

Senior Event Project Manager | Corporate Events: seminars, conventions, conferences, company parties, incentives.

With solid corporate experience (Société Générale, Veolia, Caisse des Dépôts), I quickly understand the internal challenges and real constraints behind each project.

➤ My Approach?

To be a true event partner, capable of adapting to your organization and intervening where you need me: from strategic thinking to operational management.

➤ My Expertise at Your Service

Whatever your need, my goal is the same: to offer you simple, fluid support and guarantee the consistency of your event.

🎯 Scoping & Strategy : I translate your objectives into a coherent event plan: format, program, pace, participant experience, and key messages.

⚙️ End-to-End Operational Management:
  • Venue search and selection
  • Budget management and cost optimization
  • Service provider coordination
  • Logistics management (transport, accommodation, registration...)
  • Event communication
  • On-site management
📊 Post-Event Evaluation: Analysis of results and recommendations for your future operations

➤ Why Work With Me?

  • Corporate Culture : After more than 10 years in companies, I know the realities of organizations (decision validation, budget constraints, multiple stakeholders...). This experience allows me to be quickly operational.
  • Global Vision : From strategic thinking to on-site management, I ensure the consistency of the project at every stage.
  • Client Peace of Mind : Anticipate rather than react. My role is to identify potential issues upstream so that the organization remains simple, fluid, and controlled.
A company event is experienced on the D-day, but its success is built well in advance.

Let's discuss your next event.

See you soon,
Marine
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 50km), Nice (up to 50km), Marseille (up to 50km)

Experience

  • Indépendante
    Event Project Manager
    July 2022 - Today (4 years and 1 month)
    Paris, France
    I support SMEs, mid-sized companies, and large corporations in the design and management of their professional events: seminars, conventions, management committees, client parties...

    Depending on the needs, I get involved from the strategic planning stage or provide support to internal teams for all or part of the project.

    I regularly collaborate with general management, HR, communication, and sales departments.

    Key figures for the 2025 activity:
    - 24 events organized
    - 44 days of on-site management
    - Over 3000 participants supported
    Project Scoping Event Management Event Logistics Vendor Management Event Planning
  • ESSEC Alumni
    Event Project Manager
    EDUCATION AND E-LEARNING
    October 2019 - June 2022 (2 years and 9 months)
    Cergy-Pontoise, France
    Context

    Within the ESSEC Alumni association, my mission was to develop interactions between students and alumni to strengthen the sense of belonging to the community and foster network development.

    Key Achievements
    • Definition and management of the communication plan supporting the evolution of the association's business model, in direct liaison with General Management.
    • Animation and mobilization of a community of 7,500 students and 300 volunteer alumni.
    • Design and organization of events (workshops, conferences, networking) promoting exchanges between students and alumni.
    • Drafting of institutional speeches (General Management speeches, strategic emailings, FAQs).
    • Coordination of digital projects: launch of a mentoring platform, redesign of communication materials, and deployment of a social media strategy adapted to different audiences.
    • Management of an annual awareness barometer to measure the impact of actions taken and adjust the strategy.
    Communication Strategy Event Management Event Planning Workshop Facilitation Project Management
  • Veolia
    Event Project Manager
    ENERGY AND UTILITIES
    October 2018 - August 2019 (10 months)
    Jouy-le-Moutier, France
    Context

    At one of the Veolia campuses, I supported the Group's various departments in organizing their internal events.
    The campus, a reference site for the Group, hosted over 100 events annually, bringing together 20 to 500 participants.

    Key Achievements
    • Development of commercial offers.
    • Coordination of service providers and internal teams.
    • Budget management and operational monitoring of events.
    • Logistics and on-site management.
    • Development of local partnerships to strengthen the campus's local ties and the quality of event services offered to participants.
    • Implementation of customer relationship management tools.
    Event Planning Event Logistics Event Management Sales Strategy Event Project Manager

Reviews

5.0

Out of 8 ratings

B

Bruno

Dirigeant - Entreprise Peroni Sàrl

Reviewed on 6/23/2026

Marine quickly understood our needs and proposed a selection of venues perfectly suited to our project. Her event expertise, market knowledge, and responsiveness made the mission particularly effective. We were able to move forward with confidence, knowing that the search was in good hands.
FlorentF

Florent

Mediagora

Reviewed on 10/3/2025

I had the pleasure of collaborating with Marine twice on event project management assignments. Her professionalism and rigor far exceeded my expectations. Marine knows how to anticipate, organize, and coordinate perfectly, while maintaining excellent communication throughout the project. Each assignment was carried out brilliantly, on time, and with high quality execution. I highly recommend her and will not hesitate to call upon her again for future projects.

Recommendations

MJ
Fanny VianoFV
FT
+2
Magali Juillet and 4 other people have recommended Marine

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Education

  • Master 2, Event Strategy and Creation
    ISCOM
    2014
    Master 2, Stratégie et création événementielle
  • Master 1, International and Intercultural Communication
    University of Burgundy
    2014
    Master 1, Communication internationale et interculturelle

Skill set

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