Mr. Dema graduated from the Kharkiv Aviation Institute in 1985.  His post-graduate studies include three years of economics at the Kharkov Engineering Economics Institute, one year of management at Cologne University in Germany, and three years of law at the Kharkov Institute of Jurisprudence. 

In January 1989, Mr. Dema founded SIGMA Financial Industrial Group and served as its General Director.  SIGMA Financial Industrial Group was acquired by SIGMA Ventures, Inc. in 1994 at which time Mr. Dema became the Vice-President of SIGMA Ventures, Inc.

Mr. Dema is Vice President of SigmaBleyzer and he is responsible for New Business Development projects.