The team

A team that combines industrial experience and climate expertise

Juliette JANNES, Co-founder and president

Juliette, an engineering graduate of Chimie Paris, is trained in biomass challenges for the chemical industry, Bilan Carbone® (IFC), Life Cycle Analysis (LCA), and climate risk analysis.

With nearly 20 years of experience in global positions, she has developed strong operational, technical, economic, and strategic expertise in the industry. This, combined with her in-depth knowledge of the petrochemical and energy sectors—situated at the intersection of multiple value chains—enables her to effectively leverage her interpersonal skills and her ability to build and transform organizations alongside our clients.

Juliette offers comprehensive expertise to organizations in their CSR journey, low-carbon strategies and transformation initiatives. She is also a facilitator at the 2Tonnes workshop.

 

 

 

 

Maxime KATGELY, Co-founder and CEO

Maxime, a graduate of Mines de Nancy (specializing in materials and polymers), has also trained in climate risk analysis (Imperial College X), circularity (Delft), Bilan Carbone® (IFC), Life Cycle Analysis (LCA) and innovation in a changing world (INSEAD).

His hands-on experience across Asia, the United States, and Europe, along with holding high-responsibility positions, has made him an expert in the petrochemical industry, a thought leader, and a recognized advocate for sustainable development.

Maxime is also a triathlete, an outdoor enthusiast, a father of two boys, and a husband.

 

 

 

 

 

 

Clémence DENARIER, climate and resilience consultant

Clémence Denarier is an engineering graduate from INSA Lyon, specializing in climate issues and resilience. With nearly ten years of experience in the mechanical and plastics industries, she has developed strong expertise in reducing carbon footprints. As a facilitator for the Climate Fresk, the 2Tonnes workshop and Climate Change Adaptation Workshops, and certified in Carbon Accounting, as well as trained in Life Cycle Analysis (LCA) by MIT, she applies her skills to these sectors, working to improve environmental practices.

Her pragmatic approach, which considers the economic and human aspects of businesses, allows her to design tailored solutions for industrial players while raising awareness among industry stakeholders about climate challenges. Through her experience and determination, Clémence plays a key role in the transition toward more sustainable industrial practices.

 

 

 

 

Vincent STELLA, climate and resilience consultant

Vincent Stella is a consultant in climate strategy and carbon footprint. Graduate of a master’s degree in management (IAE Toulouse School of Management), he has built a rich and varied field experience in the mountain, hotel and tourism sectors in the field, as an entrepreneur and business leader. Trained in Carbon Acounting, ACT Evaluation and ACT Step by Step, he supports his clients in their transformation.

As trainer since 2016, Vincent specializes in the creation and facilitation of training courses on ecological themes, totaling 30 conferences already given and 80 days of training per year. It has been able to establish and maintain the Qualiopi certification, guaranteeing the quality of its interventions.

Vincent is an active member of the Shifters, passionate about music, skiing and travel.

 

 

 

 

 

 

Gibran RUEDA PLA, climate and resilience consultant

Gibran Rueda is a graduate chemical engineer from ITESM-CEM in Mexico, with further specialization in environmental engineering at IMT Atlantique. He began his career in transformation projects at a Supply Chain global leader, where he applied his skills of quality management, gained through Lean Six Sigma certifications. Following his focus on environmental subjects, he transitioned to the chemical industry, assisting a multinational company in meeting various environmental requirements while maintaining a leading market position. 

His strong analytical skills enable him to distill large amounts of data into clear, insightful reports, making it easier to understand challenges and identify potential solutions.

 

 

 

 

 

Pierre BOURILLOT, climate and resilience consultant

As a consultant specializing in climate resilience and organizational transformation, Pierre Bourillot helps companies analyze risks related to climate change and implement sustainable adaptation strategies.

A graduate of Emlyon Business School, he developed expertise in organizational transformation at Columbus Consulting, where he led projects for major players in the energy, banking, and retail sectors.

His career, marked by high-stakes assignments (international project management, change management), enables him to provide the firm’s clients with a vision that is both strategic and operational.

 

 

 

 

Ambre ASIMLLARI, administrative and business management intern

Ambre joined the rong yi Solutions team as an administrative and business management assistant. 

In this role, she actively contributes to the smooth operation of internal activities, the management of administrative files, and human resources. As a first-year student in the work-study program for the BTS in Small and Medium-Sized Enterprise Management at INSEEC in Chambéry, she applies her theoretical and practical knowledge.

Interested in how businesses operate, administrative management, and organizational challenges, Ambre applies her skills at Rongyi Solutions by contributing to the smooth management of day-to-day operations. She takes on a variety of tasks related to administration, human resources, and accounting.

Currently pursuing a BTS in SME Management, Ambre is developing her professional skills through hands-on experience. At rong yi Solutions, she assists with administrative management, human resources management, and accounting. These responsibilities allow her to gain skills in a real-world setting.

Committed to a sustainable future, Ambre is happy to have joined a company that shares her vision and is invested in LCA and eco-innovation projects.