My work placement report 3. Please Correct me :)

Hi everybody, this is the next part of my work placement report. I made it for Marcel (Paris), a digital agency. **unless Marcel is software!**
Please tell me if it's good or not ! Thank you very much.
Clémence.

Publicis Group has many branches, shown here in the complexity of its organizational chart. It is a corporation with both a board of directors and a supervisory board.
The board of directors is a group of individuals that are elected as representatives of the stockholders to establish corporate management-related policies and to make decisions on major company issues.
The supervisory board has to ensure the smooth running of the company's management  **unless there is a management board as well!  also, using the posssessive "Y's X" breaks up the pattern of "the x of Y," which sounds stiff in English**.

Marcel Agency is one of the many branches of Publicis Wordwide, which is the leading creation network of Publicis group and the first agency network in Europe.
Publicis Net was founded in 1998 as a digital agency of Publicis France. In 2005, Fred & Farid of Publicis created Marcel Paris, a small agency **dedicated to what? say why they created Marcel Paris, as you mentioned why Publicis Net was created**.  Marcel Agency was the result of the strategic merger of those two companies **when?  also, the names make it a bit confusing - Marcel is a merger of Publicis Net and Marcel Paris?**. Marcel is a 360-degree digital French agency, receiving nominations for Agency of the Year in 2011 by Eurobest, and in 2012 by the Clio Awards.
Marcel is a simplified joint stock company ("SAS"), with capital stock valued at 82,990 euros.


With employees numbering almost 300, drawing up an organizational chart for Marcel Agency is particularly difficult. 
In theory, the agency can be split into 4 hubs: creation, business/commerce, strategy, and  production. Each hub communicates and works together on a project. But in practice, it is more accurate and appropriate to talk about “budget-team”, as individual teams provide service to one client or brand.
A budget-team is typically comprised by 6 persons:
- an account manager
- a project manager
- a community manager
- a creative director
- an artistic director
- a copywriter
It is worth noting that the last two members, the artistic director and copywriter, sometimes work across teams, without being exclusive to one client or brand.

Creative directors also work across brands, with a team of only 5 creative directors managing Marcel Agency's entire portfolio. They symbolise the creative potential of the Agency, and both stimulate and guide the creative thinking of their artistic directors and graphic designers.

Pascal Nessim is the main co-chairman of Marcel; he relies on an executive committee of 6 partners.

This chart does not include administration, as it is shared between Marcel and Publicis Group.

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whoo!  you write at a very high level!  congratulations.  ^_^