2002 — 2004 Assistant professor

Cheng Shiu University, Taiwan.

2004 — 2006 Assistant professor

National Kaohsiung Marine University,

Department of Logistics Management, Taiwan.

2006 — 2009 Associate professor

National Kaohsiung Marine University,

Department of Logistics Management, Taiwan.

since 2009 Professor

National Kaohsiung University of Science and

Technology, Department of Shipping and Transportation

Management, Taiwan.