In 1988, Spontak was a Research Scholar at the
University of Cambridge in
Cambridge, United Kingdom. Spontak began his career as a researcher in the Corporate Research Division at The
Procter and Gamble Company, where he remained from 1990 until 1992. He has also held visiting appointments at various universities around the world, including the
Lars Onsager Professor at NTNU in Norway, Erudite Professor at the
Mahatma Gandhi University in India,
Alexander von Humboldt Research Fellow at the
University of Freiburg in Germany, and Tewkesbury Fellow at the
University of Melbourne in Australia. He has sat on the advisory boards of more than 20 international journals and holds editorial positions in three of them as of 2023. ==Publications==