He spent summer 2005 as a YSSP participant based within the Environmentally Compatible Energy Strategies Project. At IIASA, Mr. Sergiu studied the effect of learning spillovers between technologies using a cluster approach, with a focus on synthetic fuels production (i.e., hydrogen, ethanol, and methanol).
After YSSP, he was appointed Science Secretar y of the Institute of Power Engineering of the Academy of Sciences of Moldova. In 2004 he was a national expert for the UN Development Programme’s “Climate Change” Project in Moldova; in 20 0 4 –20 05 he was involved in the implementation of the Project “Stockholm Convention on PCBs in Moldova”; and since 2006 he has been national consultant for the UN Environment Programme in Moldova.