Treffen provides consulting support for automotive OEMs, national sales companies, and dealer groups in defining and executing Retail Performance strategies. Focus areas include Retail Performance, Network Planning, Market Analysis, Custom Forecasting, and Future Retail. His 20+ years of automotive experience include leading Network Development, Retail Experience, and Strategic Planning functions for Audi of America.

Treffen holds a Bachelor of Economics and a Master of International Policy both from the University of Michigan-Ann Arbor.