provide soft, calm, and comforting voice overs designed to create a warm and relaxing listening experience. I can bring a gentle and natural tone to: • Audiobooks • Sleep stories • Meditation & wellness content • E-learning • Podcasts • Narration • Explainer videos • Intros & outros • And more My focus is delivering clear, high-quality audio with a soothing and authentic voice that connects naturally with listeners. Feel free to listen to my demo below, and if my voice fits your project, I’d love to work with you.…

Marie Sierra

provide soft, calm, and comforting voice overs designed to create a warm and relaxing listening experience. I can bring a gentle and natural tone to: • Audiobooks • Sleep stories • Meditation & wellness content • E-learning • Podcasts • Narration • Explainer videos • Intros & outros • And more My focus is delivering clear, high-quality audio with a soothing and authentic voice that connects naturally with listeners. Feel free to listen to my demo below, and if my voice fits your project, I’d love to work with you.…

Available to hire

provide soft, calm, and comforting voice overs designed to create a warm and relaxing listening experience.
I can bring a gentle and natural tone to:
• Audiobooks
• Sleep stories
• Meditation & wellness content
• E-learning
• Podcasts
• Narration
• Explainer videos
• Intros & outros
• And more
My focus is delivering clear, high-quality audio with a soothing and authentic voice that connects naturally with listeners.
Feel free to listen to my demo below, and if my voice fits your project, I’d love to work with you.

See more

Skills

Experience Level

Instagram
Expert
Voiceflow
Expert
Voiceover
Expert
Branding
Expert
Vocal
Expert
CRM
Intermediate
Logo
Intermediate

Language

French
Fluent
Spanish; Castilian
Advanced
English
Advanced
Portuguese
Intermediate

Work Experience

International case manager at agence de la biomédecine
October 1, 2014 - January 1, 2022
Liaised between transplant centers, donor centers, and registries in France and internationally. Managed patient registrations, donor searches, recruitment, and graft transport logistics in compliance with established procedures. Prepared transport documentation including ANSM authorizations, court approvals, donor insurance, customs clearance, blood sample shipments, and delivery scheduling. Verified medical information in coordination with physicians (infectious disease markers, compatibility data, etc.). Translated anonymous correspondence between patients and donors. Monitored patient files, including quality control, dispute resolution, and logistical issue management. Trained hematopoietic stem cell (HSC) graft transport providers. Coordinated clinical research protocol activities (DLI Boost, Cryostem, Predictor, Reg Allo).
Coordinateur de greffe / Case Manager at Agence de la Biomédecine
October 1, 2014 - January 1, 2022
Coordinateur de greffe et cas manager; gestion des dossiers patients, coordination des activités liées aux greffes et à la transplantation, liaison entre équipes médicales et partenaires institutionnels.
Purchasing and logistics assistant at Shop Hair
May 1, 2014 - September 1, 2014
Suivi des commandes, gestion des stocks, élaboration et gestion des plannings fournisseurs, coordination avec les transitaires pour l'import, tenue des dossiers d'achats et envois.
Production Assistant and Office Manager Assistant at Anatomie Wear
February 1, 2013 - March 1, 2014
Contact quotidien avec fournisseurs et usines pour pricing, paiement, expédition; lancement des collections; contrôle qualité; préparation des fiches de coût; coordination entre designers, acheteurs et techniciens; gestion des expéditions et import.
Business Developer at The International Student Company
October 1, 2013 - February 1, 2014
Développement commercial des PME américaines; établissement et maintien des relations clients; participation à des événements réseau; collaboration avec le CEO/Managing Partner pour développer de nouvelles opportunités.
Marketing Assistant and Assistant in International Relations at Trident Analytical Solutions
May 1, 2012 - August 1, 2012
Préparation de plans d'affaires et étude de marché; contact avec business angels; travail sur les aspects juridiques; enregistrement de voix pour IVRS; coordination avec les collaborateurs de l'Ambassade de France en Inde.
Assistant in Back Office at Crédit Agricole
April 1, 2010 - June 1, 2010
Marketing campaign; visites clients; gestion de la base de données; vente de produits financiers et gestion de portefeuilles; tâches téléphoniques.
Game and Activities Coordinator at Centre de loisirs Le Petit Prince
August 1, 2008 - August 1, 2009
Organisation et gestion d'un groupe d'enfants (3 à 6 ans) chaque année; préparation et obtention du Camp Leader Certificate en 2008.
Salesperson Assistant at Metro Cash and Carry
May 1, 2009 - May 1, 2009
Développement d'arguments d'investissement selon le profil de l'investisseur; analyse et détermination de la production des portefeuilles.

Education

Master international management at Université Paris XII
September 12, 2011 - June 20, 2013
Licenciatura comercio y gestion at Universidad Politecnica de Cartagena
September 1, 2010 - June 17, 2011
DUT techniques de commercialisation at Université Paris Descartes V
September 14, 2008 - June 20, 2010
Master in International Management (Trilingual) at Université Paris - Val-de-Marne (Paris XII)
January 1, 2011 - January 1, 2013
Licence in Commerce et Gestion at Universidad Politécnica de Cartagena
January 1, 2010 - January 1, 2011
DUT Techniques de Commercialisation (Marketing / Gestion du Marketing) at Université René Descartes (Paris V)
January 1, 2008 - January 1, 2010

Qualifications

Camp Leader Certificate
January 1, 2008 - January 1, 2008

Industry Experience

Media & Entertainment, Telecommunications, Other, Healthcare, Manufacturing, Education, Retail, Professional Services
    uniE608 French Female Voice Over | Soft & Comforting
    I provide soft, calm, and comforting voice overs designed to create a warm and relaxing listening experience. I can bring a gentle and natural tone to: • Audiobooks • Sleep stories • Meditation & wellness content • E-learning • Podcasts • Narration • Explainer videos • Intros & outros • And more My focus is delivering clear, high-quality audio with a soothing and authentic voice that connects naturally with listeners. Feel free to listen to my demo below, and if my voice fits your project, I’d love to work with you.…
    uniE608 Soft tempo lounge project / French Female Voice Over | Soft & Comforting
    provide soft, calm, and comforting voice overs designed to create a warm and relaxing listening experience. I can bring a gentle and natural tone to: • Audiobooks • Sleep stories • Meditation & wellness content • E-learning • Podcasts • Narration • Explainer videos • Intros & outros • And more My focus is delivering clear, high-quality audio with a soothing and authentic voice that connects naturally with listeners. Feel free to listen to my demo below, and if my voice fits your project, I’d love to work with you.…
    uniE608 Soft tempo lounge voice over project
    This project involved recording a voice narration for a music show titled Soft Tempo Lounge. The client provided a structured script including an introduction, mid-show segments, and a closing segment. The narration was delivered in a soft, calm, and engaging tone to match the relaxed atmosphere of the program and support the musical flow throughout the show. In addition to the English narration, I was also required to naturally incorporate occasional French words within the script to create a more intimate connection with the audience and add a subtle sense of authenticity and warmth. My focus was on maintaining a smooth pacing, clear diction, and a soothing delivery style to enhance the overall listening experience from start to finish. video voiceover narration frenchaccent voiceoff…
    paper French Female Voice Over | Soft & Comforting

    This project involved recording a voice narration for a music show titled Soft Tempo Lounge. The client provided a structured script including an introduction, mid-show segments, and a closing segment.
    The narration was delivered in a soft, calm, and engaging tone to match the relaxed atmosphere of the program and support the musical flow throughout the show.
    In addition to the English narration, I was also required to naturally incorporate occasional French words within the script to create a more intimate connection with the audience and add a subtle sense of authenticity and warmth.
    My focus was on maintaining a smooth pacing, clear diction, and a soothing delivery style to enhance the overall listening experience from start to finish.