01.10.2012 – Now 01.09.2013-30.06.2018 01.10.2009 – 22.10.2011 01.10.2009-31.12.2010 29.09.2008 – 30.09.2009 Assistant Professor – University of Lodz, Poland, Faculty of Management Teacher – Science and Business Center – Zak – human nutrition, dietetics Assistant Professor – University of Physical Education in Warsaw, Poland Teacher – Nova Educational Center – human nutrition, dietetics Assistant – Medical University of Warsaw, Poland The Chair of Human Nutrition