Manfred Kauffmann

b2b sales sales management sales manager digital strategy social media marketing salesforce social media strategy human resources vertriebsstrategie performance personal strategy social media leadership career start up vertrieb small business hr team marketing account management social selling digitale transformation startups business profil skills xing linkedin vetrieb startup lean startup business development business führung b2b marketing transformation internet company profiles potentiale strategic account plan account planning account plan verkauf business plan erfolgsfaktoren tips customer relationship management kundenentwicklung business model