This research intends to study on knowledge worker competency development which effected from students who work in company through the university workplace learning program. The new leadership roles and skills of managers and leaders according to learning organization principle will be focused. Data were collected from knowledge workers using questionnaires and telephone interviews. The result found that students' coming can stimulate knowledge workers to use and develop their competencies. Competency area that most used and developed is coaching and mentoring which result in knowledge worker's planning, prioritizing, conducting, monitoring, communicating, and leading skills. The co-learner and model for learning, advocate for learning process and projects, and engage in systems thinking were also used and developed at high level. The study can initial conclude that university workplace learning program is the one of an alternative strategy to drive companies to become learning organization in people perspective.