David Grijalba Sierra

Director Comercial

El Economista
David Grijalba Sierra


Sales Director


Head of Programmatic and Publishers

Building the programmatic strategy of the Company.

BOOMERANGTV May 2014-Dic 2015

 Online sales manager

Creating New Sales department. Connecting national and international youtubers with

Brands and brands with youtubers.

SMARTYCONTENT April 2011-April 2014

Sales Manager

Creating New Sales department.

YAHOO June 2010- March 2011

Sales director

In contact with agencies and advertisers.

Also responsible of the relation with Audience and BD sales.

ZOOM.IN Nov 2009- June 2010

Advertising Manager

Creating New Sales Department.


Sales Manager

Commercialise advertising space on the site. 

ELECONOMISTA.ES Mar 2007-Nov 2008

Online Advertising Manager

Created the Online Sales Department of www.eleconomista.es.

EL PAIS May 2005-Mar 2007

Advertising Manager Ep3

Start-up project Ep3. I commercialised online and offline advertising space. I was in contact with media buyer agencies as well as advertisers. 

EL PAIS Feb 2004-May 2005

Key Account Executive

Commercialised all media of El Pais (national, special editions, Eps,etc). 

El PAIS Sep 2001- Feb 2005

Account Executive bank, automobile, transport and energy sectors.

Worked in the national commercial team responsible for the above sectors. 

EL PAIS Apr. 1997- Sep 2001

Basque Country Edition

Start-up edition of El País in the Basque Country.