Lea Hallik is a senior researcher of vegetation remote sensing in University of Tartu. She received the M.Sc. degree in botany and ecology, in 2000, and the Ph.D. degree in plant ecology and ecophysiology, in 2009, both from the University of Tartu, Estonia. She worked as a postdoctoral fellow in Estonian University of Life Sciences supervised by Prof Ülo Niinemets. In 2014 she started to work in Vegetation Remote Sensing Group of Tartu Observatory. Her current research interests include the ecophysiology of plant acclimation to multiple environmental stresses and optical remote sensing. She is expert of foliage pigments content. She has excellent experience in international scientific cooperation for remote sensing application. Most recently she led Estonian validation team in H2020 project MULTIPLY http://www.multiply-h2020.eu/ and ESA project GlobDiversity https://www.globdiversity.net/ She has been MC member of COST Action ES0930 EUROSPEC; COST Action ES1309 OPTIMISE and currently COST Action CA17134 SENSECO.