Our Team

We are a team united by the belief that transitions can only be faced together.

What defines us is the way we work: weaving strategy, finance, and sustainability with diverse perspectives. By combining our strengths and those of our partners, we bring fresh thinking and practical insight to help leaders act in the New Climate Era.

Emmanuel Parmentier

Co-founder

I don't know where I'm going from here, but I promise it won't be boring - David Bowie

Imène Maharzi

Co-founder

"In the midst of winter, I found there was, within me, an invincible summer." Albert Camus

Charlotte Salmon

Partner

Agathe de Raphélis

Associate

At work, true value lies in being there for others and with others — every exchange is a chance to learn, every connection a way to grow together.

Alice Padox

Consultant

Astrid Henri

Senior Consultant

Claudia Campisi

Senior Consultant

Clémence Laurencel

Senior Manager

Diane Henry

Consultant

People who are truly strong lift others up. People who are truly powerful bring others together. - Michelle Obama

Diane Papin

Consultant

“The most difficult thing is the decision to act, the rest is merely tenacity" - Amelia Earhart

Gustavo Castellanos

Senior Advisor

Inès Véron

Intern

You must be the change you wish to see in the world. - Gandhi

Joachim Lacombe

Senior Manager

Justine Manta

Associate

"Alone we can do so little; together we can do so much." -Helen Keller

Karl-Johan Brandeskar

Consultant

There exist no "them" and "we", only us. Solidarity is and has to be, indivisible - Olof Palme

Laetitia Charrier

Manager

"Nothing great was ever achieved without enthusiasm", R.W. Emerson

Louise Graniou

Associate

“As for the future, it is not a matter of foreseeing it, but of making it possible." - Antoine de Saint-Exupéry

Miguel Holguin

Senior advisor

"To improve is to change, to be perfect is to change often" - Winston Churchill. At Weastem, we are here to help you embrace and navigate through change.

Nathalie Léger

Administrative Officer

Pamela Garduno De la Garza

Associate

Sergei Maslennikov

Senior Consultant

 

Team's verbatims

“We see strategy as a living practice: a constant process of creativity, questioning, and adjustment. That is how we help clients stay ahead in a world where change is the only certainty.”

Laetitia, Manager
Team's verbatims

“Our strength lies in continuously questioning what we think we know - creating, challenging, and reimagining strategies so they remain relevant in the New Climate Era.”

Inès, Intern