Professor of Concrete Structures, Swinburne University of Technology

Professor in Construction Materials at Universiti Malaysia Perlis (UniMAP)

Professor of Structural Engineering, UNSW Australia

Professor of Civil Engineering, King Saud University

Petra Christian University, Surabaya, Indonesia

The University of Sheffield

Sam Ratulangi University, Manado Indonesia

universiti teknologi PETRONAS

The University of Adelaide

Tsinghua University