Our Mission


At EditOr Proof, our primary mission is to provide editorial services in English of the highest standard and quality to businesses, organizations and individuals. Our aim is to promote clear and concise communication that will help clients advance and heighten awareness of their cause and endeavors.

Our Services

EditOr Proof specializes in editing, writing and conference materials in English.

We proofread, copy- or content-edit and write texts – any content in English. We also draft conference materials in English.

Our Team

EditOr Proof has an extensive network of writers, editors and communications specialists who provide professional expertise.

Our English mother tongue editors are language enthusiasts and sticklers for clarity and accuracy, who tailor texts to client needs. That includes working in British, American or International English, and following specific editorial rules and conventions or house style guides.

Fabienne Stassen

Fabienne is Director and Head of Editorial Services at EditOr Proof.

Eric Schallenberg

Eric has contributed his expertise to EditOr Proof since 2013.


EditOr Proof posts commentaries on various aspects of the English language.


EditOr Proof clients provide comments about our work.

EditOr Proof counts the World Economic Forum, World Health Organization, UNICEF, UNAIDS, Family Business Network, FIA, the Lisbon Council, RA&A as well as Gavi, the Vaccine Alliance among its clients, in addition to educational institutes, foundations, international financial institutions and banks, and private individuals.

I recently wrote an article almost literally overnight and the peer-review stated: ‘Excellent structure and exceptional English’. It would have been very different without your course.

Maciej Lipinski, Electronics Engineer, CERN

Thank you very much for all your excellent work despite the too-tight deadline!

Global Polio Eradication Initiative, World Health Organization

Great to have top quality editorial pros to work with.

George Foster, Stanford University Graduate School of Business

EditOr Proof’s workshop helped improve the level of writing of our whole media team. The trainers were excellent – dynamic, interactive and professional.

Fon Mathuros Chantanayingyong, Senior Director, Head of Media, World Economic Forum

EditOr Proof’s workshops gave our students exposure to the process of writing an effective essay. They benefited from exercises and tools that will help them create strong statements and essays.

Mélanie Cherhal, College and Careers Advisor, Collège du Léman

This was a very useful workshop. I am looking forward to practising what I’ve learned.

Lalaine Barbon Strebel

We have worked closely with the EditOr Proof team since the company’s foundation. The team edit almost all our reports and many other documents. We also work with EditOr Proof to train our in-house teams on writing and editing skills. I know I can always rely on Fabienne and her team to be efficient, timely and to deliver high quality.

Mike Hanley, Senior Director, Communications, World Economic Forum