Dr. Irina Shtangeeva is currently working as Senior Researcher in Institute of Earth Sciences St Petersburg University, Russia. She obtained her PhD in Earth Sciences from same university. Her main scientific interest includes Ecology, Biogeochemistry, Multivariate Statistics and Modelling and Modern Analytical Techniques. She is member of International Society of Trace Element Biochemistry. In past she worked as Engineer, Junior Research Scientist, Researcher and Senior Researcher at Petersburg University. Dr. Irina Shtangeeva received honors include Nordic Council of Ministers Research Scholar, International Visiting Fellowship from Sydney University, Research grant of Academy of Finland, University of Oulu. She is also Reviewer for International Journals. She has recently published 13 articles in journals and 1 book, 4 book chapters as author/co-author.