Sustainability Manager Intern

Our Mission

Prose is truly custom hair and skin care made-to-order—just for you. Our line of custom products are made by an in-house, Paris-based R&D team of gifted chemists who combine natural ingredients in innovative ways alongside dermatologists, giving consumers clean skin care, hair care and impeccable results.

At the heart of Prose’s success is Singular, its proprietary AI-powered beauty-tech platform, which has revolutionized personalized beauty at scale. Marrying a technology-driven approach with an apothecary-style concept, all Prose hair and skin care products are personalized to your one-of-a-kind hair, skin, goals and environment.

We’re a company that wants to change beauty practices, so we’re changing the way beauty companies practice. As a certified B Corporation, a Public Benefit Corporation and Climate Neutral, we’re proving that good business is always sustainable. With Prose, there’s nothing sacrificed to bring you great products—not trees, materials, wages, or performance.

Prose & Singular in Numbers

• Founded in 2017, with hubs in Paris, New York, and Los Angeles

• 10M+ consultations completed

• 2M customers and 350K active subscribers

• 21M custom products made, with 1M+ unique formulas

• 350+ team members across disciplines

• $600M+ in lifetime sales, with $165M+ revenue in 2024

• Profitable since 2024

Discover our Company Culture on Welcome to the Jungle here

Discover our Company Mission & Vision in video here

Position Summary

Prose is a certified B Corp committed to using business as a force for good. As we approach our recertification cycle (now aligned with updated standards) we are looking for a rigorous and driven B Corp & Sustainability manager intern to join our Sustainability team in Paris.

You will report to the Sr. Director of Scientific Affairs & Sustainability and work cross-functionally with internal teams (R&D, Operations, People Team, Social Impact) as well as external partners and our dedicated B Lab contact.

Key Responsibilities

• Coordinate the B Corp recertification action plan: maintain the project timeline, track milestones, and ensure alignment across all workstreams and internal teams.

• Maintain regular contact with internal stakeholders (R&D, Operations, People Team, Social Impact, etc.) to drive progress, collect evidence, and remove blockers.

• Serve as the primary liaison with Prose's B Lab advisor, ensuring the action plan is progressing in the right direction and meets certification requirements.

• Support the collection, organization, and documentation of evidence required for the B Impact Assessment (BIA)

• Coordinate external consultants and partners involved in the recertification process.

• Prepare regular progress reports and update sustainability KPIs

• Contribute to internal awareness efforts to mobilize teams around B Corp values and embed certification objectives into day-to-day operations.

Key Candidate Requirements

• Currently enrolled in a Master's Degree with a major in sustainability, ESG management, CSR, or a related field.

• Strong project management and organizational skills; rigor, attention to detail, and tenacity are essential.

• Knowledge of the B Corp certification process and/or the BIA questionnaire is a strong plus.

• Ability to manage multiple stakeholders and coordinate cross-functional teams with diplomacy and pedagogy.

• Curiosity and a genuine interest in impact-driven business and sustainable transformation.

• Ability to work autonomously, with minimal administrative support.

• Fluent in French and English.

• Strong interpersonal skills and cross-cultural sensitivity.

Start date and duration : Sept 2026 for 6 months

Prose Values

Intentional Inclusivity

• We know the best ideas come from open minds and willingness to listen. While our products cater to the individual, an invitation into our process is always open to our community.

• We value our differences and diverse backgrounds by communicating openly, managing with transparency and striving to understand one another’s perspective. It’s a key ingredient to our innovation.

Connected Collaboration

• Our strength as a group will outlast our efforts as individual contributors. With offices across countries, staying inventive and agile deepens our clear vision and consistent communication.

• We stay in a spirit of entrepreneurial collaboration: We do not have consensus at all times, but we trust one another to work toward our common goals. Our success is an expression and result of our progressive and gratifying teamwork.

Driven, Together

• We value ownership and coaching that encourages employees to think constructively and creatively about the business. We view employees as leaders and individuals who are accountable, resourceful and responsible. Anyone and everyone is encouraged to lead.

• We recognize that in order to continue thinking one step ahead, we will need to try new things. We strive to provide an open environment that accepts this truth, making space for new ideas to emerge.

Humanity Always

• We assume good intentions in every interaction, keeping ourselves accountable for the climate we create. We seek to understand our co-workers through this lens of conscious benevolence, authenticity and fellowship.

• We operate with the intention of preserving resources, creating an environment we can all live in – for our business and the world. Sustainable care is essential to our ethos as an organization. We take a mindful approach to how we think about our people (employees) and our planet.