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Mariann Ertresvåg is a professional with a background in business development, sales, project management, and foreign affairs. Mariann is the Founder and COO of Vignita.com, a B2B learning network, and has held key positions in companies like Ringnes AS and Conax. With a strong educational background in European Political and Administrative Studies, Mariann has demonstrated expertise in strategic planning, sales, market analysis, and project evaluation throughout their career.