Suominen has previously worked as a consultant at the European Corporate Finance Practice of McKinsey & Co. and as a Chief Dealer in the Options and Futures Markets in Finland. From 1997 until 2006 he was in the full time faculty at INSEAD, working first as an Assistant Professor and later as an Associate Professor of Finance. Although already also at the Aalto University, between 2006 and 2015 he has continued to work with INSEAD as an Adjunct Professor of Finance or as a Visiting Professor of Finance.  

Suominen is actively involved in management consulting to financial institutions and executive education. He has taught in the MBA, PhD and executive education programs. He has also taught in several company specific programs worldwide.  

Matti Suominen did his PhD in Financial Economics in 1997 at the University of Pennsylvania, where he has also worked as a Visiting Associate Professor at Wharton.