This research aims to examine and analyze the Influence of Hospitality Culture, Psychological Wellbeing and Life Satisfaction on the Quality of Employee Services at the Hotel Marilyn Serpong. This research uses a comparative causal design with quantitative methods. The sample used in this research were all employees who's working at the Marilyn Serpong hotel by using the technique of determining the sampling of saturated data of 130 employees. Data were analyzed using multiple linear regression with the help of SPSS. The results of this research indicated that (1) there is a positive and significant influence of Hospitality Culture on service quality; (2) there is a positive and significant influence of psychological wellbeing on the quality of service; (3) there is a positive and significant influence of life satisfaction on service quality; (4) there is a positive and significant influence of hospitality culture, psychological wellbeing, and life satisfaction simultaneously on service quality. Therefore, The Marilyn Serpong hotel management is advised to pay attention and ensure the effective applied of hospitality culture, strong psychological wellbeing, and good life satisfaction to improve the service quality.

Keywords : Hospitality Culture, Psychological Well-Being, Life Satisfaction, Service Quality.