Alexandre Mars
CEO Phonevalley
Head of Mobile Publicis Groupe

Alexandre Mars is a born entrepreneur and an expert in new technologies and communication, with several companies to his credit in Europe as well as in the US within such sectors as venture capital, the web, the mobile and advertising.

Today, Alexandre Mars can draw on 15 years of experience in business creation and development to spearhead all the mobile activities pursued by Publicis Groupe around the world.

A passionate individual about all issues surrounding the new technologies and entrepreneurship fields, Alexandre Mars is regularly invited to speak on behalf of entrepreneurs and share his experience in the media and at international colloquia (MIT, European Media Leaders, Monaco Media Forum, Mobile World Congress, New York Summit, the French Senate, AdTech...).

Charles-Henri Prevost
Chief Strategy Officer

Charles-Henri Prevost is a highly experienced executive specialized in the mobile marketing industry. He has solid background in growing the business of his clients and developing their exposure in the mobile field.

Today Charles-Henri leads Phonevalley's expansion across all regions and is in charge of all strategic partnerships.

Before joining Phonevalley, Charles-Henri worked in major IT and communications groups (Microsoft and TF1).

Charles-Henri has graduated from HEC Business School and Dauphine University (Masters in Economy & Telecom).

Olivier Le Garlantezec
Chief Marketing Officer

Olivier Le Garlantezec has over 10 years experience in the consumer goods marketing where he developed solid expertise of new technologies. He began his career at Vodafone and Alice (Tiscali), and joined The Cola-Cola Company where he was awarded for his branding strategies: Grand Prix Strategies 2006 for the best Media strategy and the Coca-Cola Worldwide Excellence Award for the «Best Marketing Partnership Program». Olivier was then in charge of the digital and CRM strategy for all Coca-Cola brands.

Olivier holds an MBA in Marketing and Advertising from ESG (Paris) and a Master in Economy.

Patrick Herrmann
CTO

Patrick joined Phonevalley in 2005 to lead the global technology development of the company. He leads the technology department that leverage inner R&D to develop core platforms and mobile-based services including messaging, mobile Internet and embedded applications. He was formerly Project Manager with Cap Gemini mobile consulting unit and NewtGames' CTO, a startup sponsored by Orange.

Patrick graduated from IMAC (French engineering school).

Sanjay Pothen
Regional Director - United-States

A recognized advertising, digital and mobile marketing expert, Sanjay leads Phonevalley development in the US.

He was previously the founder and CEO of Pliq, a mobile marketing and advertising agency, and has powered the mobile campaigns of numerous brands and media properties such as Adidas, Coca-Cola, Land Rover, Lionsgate, Nike, Sony BMG and Universal Studios, among many others.

In addition to his extensive mobile expertise, Sanjay has more than a decade of management consulting experience. Most recently, he was a Principal at BusinessEdge Solutions (acquired by EMC) where he co-led the media & content practice and spearheaded the establishment of the west coast operations.

Sanjay received his B.S. at the University of California at Berkeley and his M.B.A. at Northwestern University's Kellogg School of Management.

Devashish Sarkar
Regional Director Asia Pacific

Devashish Sarkar has over 20 years extensive consumer marketing and media experience in companies such as BAT, Philip Morris, Tupperware, and BBC Worldwide.
During his career, he has worked in India, China, Indonesia and Singapore.

Devashish has a Master's degree from Columbia University.