Marcin Dzienniak is a core member of the Financial Institutions and Technology Advantage practices at The Boston Consulting Group.

Marcin joined BCG in 2016, bringing deep experience in technology from across the financial services and insurance sectors.

His approach to business is straightforward: his work with clients stimulates his creative instincts, engages him, is fun.

Prior to joining BCG, Marcin was a senior manager with Accenture.


  • Digital strategy and transformation
  • Customer relationship management (CRM)
  • Digital marketing
  • Front-end application
  • Data warehousing
  • Business intelligence
  • Advanced data analytics
  • Post-merger integration (PMI)


  • Executive Leadership Development, Stanford Graduate School of Business
  • MA, finance and banking, Krakow University of Economics
  • MA, information science and econometrics, Krakow University of Economics
Deep Expertise, Broad Experience