Sebas Muriel Herrero

Chief Digital Officer

Sebas Muriel holds a degree in Telecommunications Engineering from Universidad Politécnica de Madrid, an Executive MBA from IESE Business School (University of Navarra) and a Finance Development Program at Instituto de Empresa.  

Since April 2025, he has been appointed to the Executive Committee of the Telefónica Group as Chief Digital Officer of the company and CEO of Telefónica Innovación Digital. In this role, he will be at the forefront of the strategy for innovation, data, platforms and new digital products and services, also leading Telefónica Open Gateway, the initiative to open the company’s networks and offer telco capabilities through global and standardized APIs. 

Muriel has accumulated over two decades of experience in senior management roles across various companies in the sector, with a proven track record in digital business and transformation strategy within large corporations. 

From January 2022 until his return to Telefónica, he was CEO of GroupM in Spain, WPP’s media agency group, a global leader in marketing and creative transformation services. 

This will be his second tenure at Telefónica, where he has already spent 11 years carrying out different responsibilities. He was the CEO of Tuenti Technologies and the global director of Customer Experience, where he boosted the launch and exponential growth of MiMovistar / MeuVivo / MyO2 in eight countries. 

Sebas has previously developed his career in several technology companies, including Hewlett Packard and Lucent Technologies (Bell Labs) and PwC, until his appointment as CEO of red.es. 

He is a regular author of papers, publications, and conferences, and actively participates in sectoral forums and congresses. Muriel is also a Business Angel and investor in different start-ups and has been a member of the Academic Council of ISDI (Digitalent Group) since its foundation. More recently, he has also become a member of the Advisory Council of Aramón.