"Poroshenko promised to sell his business. In my opinion, he must keep his pledge," Hryniv said.
Commenting on the society's calls to the president to sell Roshen confectionery in the Russian city of Lipetsk, Hryniv noted that Poroshenko believed such move to be 'cheap populism.'Read more: Roshen Lipetsk factory put up for sale for $200 million, - corporation CEO
In May, Poroshenko declared the lack of those wishing to purchase his business.
Earlier in April, the president stressed that he had submitted his assets to consulting and law firms expecting them to advise him on his business.