Dr. Opel is an accomplished and research-orientated academic professional with 19 years of cumulative experience. With a dedicated focus on human resources and organizational behaviors area of research, Dr. Opel brings eight years of teaching expertise along with a profound commitment to ongoing professional development. His research centers on critical areas such as sustainability, green human resource management, organizational behavior and ecological behavior. Dr. Opel's contributions have been recognized in esteemed, top-tier refereed international journals, including the International Journal of Human Resource Management, Journal of Cleaner Production, Industrial and Commercial Training, Benchmarking: An International Journal, Business Strategy and the Environment, Journal of Hospitality and Tourism Insights, and the International Journal of Sustainable Development and Planning. As evidenced in his publications, he possess a unique blend of qualitative and quantitative research skills. Dr. Opel's academic impact is reflected in my H-index of 9 (Scopus) and over 400+ citations, underscoring the depth and significance of his scholarly contributions.