Bulboaca was named in the Board of Directors in March.
Oltchim is on the list of companies monitored by the International Monetary Fund and is slated for privatization later this year.
The Romanian Economy Minister owns 54.8% in the company. German group PCC SE holds 18.3%, while UK-registered Carlson Ventures owns 14.02% in Oltchim.
The company’s shares traded up 11.8% in Bucharest by noon.