The establishment and growth of multicultural startup company urge intercultural communication in work place context becomes inevitable. This qualitative research uses empirical case study attempts to comprehend the adaptation experience within intercultural communication that applies to Chengdu employee in a startup company in Jakarta and how the adaptation experience is taking role in order to form the existent organization culture. The study shows the pattern of adaptation and its significance in forming organization culture; within the adaptation pattern, Chengdu employee succeeding the adaptation process to run their job well and achieve the company goals.