Karel is a Ph.D candidate in Social-Clinical Psychology at the Faculty of Medicine, the University of Queensland. His research focuses on the interpersonal relationship, particularly on how marriage and marital status affects individual's well-being with respect to cross-cultural perspective. He approaches the phenomenon using psychological, sociological, and anthropological perspectives by outlining the perceived stigma and psychological dynamics of individuals who never married in relation to feminism, gender role, sexuality, quality of life, and religious beliefs and practices. Karel receives award from the Indonesian Endowment Funds for Education (Lembaga Pengelola Dana Pendidikan - LPDP) for his doctorate study.
Karel is a faculty member in the Faculty of Psychology, Universitas Pelita Harapan, Indonesia. He also serves as an Editor in Chief of Jurnal Psikologi Ulayat (Indonesian Journal of Indigenous Psychology), a nationally accredited, peer-reviewed journal.
Besides his career as a scholar, Karel has a professional practice as a licensed psychologist specialising in relationship issues. In his professional practice, Karel also has a considerable focus on employees and students mapping and profiling for reviewing their potentials.