Hans Levenbach began his career at AT&T Bell Laboratories as an applied statistician, working on forecasting and developing analytical support systems, and is the Founder/President of Delphus Inc.

He has taught statistics and forecasting courses at Columbia University in the Business School and Industrial Engineering Department as well MBA statistics at the Stern School of Business at New York University.

He is an elected Fellow, Past President and Treasurer of the International Institute of Forecasters, a member of INFORMS and American Statistical Association, and an elected member of International Statistical Institute.

In collaboration with the International Institute of Forecasters, Hans and Jim Cleary have been instrumental in designing and constructing the CPDF curriculum for the professional certification of demand forecasters.