Complex sentence: She was formerly a Professor of Sociology in the Research School of Social Sciences, Australian National University, a Visiting Professor at the Lehman Brothers Centre for Women in Business at London Business School, and a Visiting Professor at the Oxford Internet Institute.
Split into simpler sentences: She was formerly a Professor of Sociology in the Research School of Social Sciences, Australian National University. She has been a Visiting Professor at the Lehman Brothers Centre for Women in Business at London Business School, and at the Oxford Internet Institute.