From 1988 to 1999, Louis-Marie Guillaume started his career in the D&B Software financial software sector by managing contracts and developing sales with major French industrial players Usinor Thomson, General Electric, then moved to Matra Hautes Technologies to become VP Sales at MatraNet.

Publisher of security and voice under IP solutions.

From 1999 to 2011, he worked for large multinationals Broadvision, Vignette, Oracle to occupy the positions of “Managing Director”, on national and international markets.

While recruiting multicultural teams, it supports the change of organizations around the Internet and Digital and develops business with its many customers, major accounts and institutions.

Louis-Marie joined Ariweb in 2012, where he took over the presidency of the French-German company specializing in the development of mobile applications.

A member of the group's executive committee, he then became interested in the world of the Internet of Things.

For more than twenty years in various executive positions, Louis-Marie has acquired solid development experience in new B2B technology sectors for sustainable profitable growth, in national and international environments, and acts with investment funds as a capital investor.

Today, strengthened by his role as a Mentor at Station F within the HEC incubator, and at École 42, Louis-Marie relies on his experience as a Manager to support Managers and Investors in creating value for their companies, through “Scale Up” growth drivers.

Thus, he intervenes on subjects such as fundraising, definition of sales strategies, transformation, and especially the support of managers in all their challenges.

He naturally joined VISCONTI Partners to accelerate with pleasure and audacity the business executive coaching by transmitting its know-how and interpersonal skills.

A graduate of HEC (Institut Supérieur des Affaires), he is a happy father of three children.