Master of Pharmacy Z. Maciej Gawroński. A member of our Scientific Council. In 1991 he graduated from the Faculty of Pharmacy of the Silesian Medical Academy in Sosnowiec (Poland), and he obtained his first degree in pharmaceutical pharmacy in 2001. A long-time professional researcher at the Medical University of Silesia in the Department of Pharmaceutical Botany and the Chair of the Drug Form Technology. At the same time, a long-term employee of the Pharmaceutical Companies such as Bayer, GlaxoSmithKline and ICN Polfa Rzeszów.

Dr Barbara Śmietana Piętak, A member of the NaturDay Scientific Council. She graduated from the Silesian Medical Academy, Faculty of Pharmacy in the field of Clinical Analytics in 1981. Until 2006 she lectured on pharmacognosy, phytochemistry, natural cosmetics and natural medicine as an Academic Researcher and Teacher at the Department of Pharmacognosy and Phytochemistry of the Faculty of Pharmacy. In 1992, she obtained a PhD degree in pharmaceutical sciences. Author of many publications, reports and scientific articles. In 1987-88, she received the second prize of the rector of the Silesian Medical Academy for teaching achievements, in 1994 she received the golden badge of the Polish Teachers\' Union, in 1998 she was awarded an honorary badge for exemplary work. As a sign of appreciation for her achievements, she also received the Silver Cross of Merit awarded by the President of the Republic of Poland in 2000.

Dr Artur Gołaś, Member of NaturDay Scientific Council. He is the President of the Polish Society to improve the motor development (Polskie Towarzystwo Usprawnienia Motorycznego - PTUM), The Manager of the Strength and Muscle Power Workshop at AWF Katowice (the University of Physical Education in Katowice (Poland)), The Head of the Department of theory of sport and the motor development skills coach of the 24th section of AWF Katowice and the motor development coach in team sports games. He also completed post-graduate studies in Nutrition, Supplementation and Motor Development skills. Dr Artur Gołaś is also a personal trainer, and II class coach in boxing, and the Trainer of II EEG Biofeedback. Author of books and scientific articles on nutrition, supplementation and sports training. He completed scientific practice in London, Prague, Olomouc (Czech Republic) and gained experience as a speaker at numerous national and international conferences.

Dr Jakub Jaworek Member of the NaturDay Scientific Council. The graduate of the Silesian Medical University in Katowice and a Medical practitioner of the Emergency Service in Katowice. He obtained the 1st and the 2nd degree specialisation in anaesthesiology and intensive care. He worked at the Municipal Hospital in Siemianowice Śląskie in the Department of Anesthesiology and Intensive Care and the Manager of the hospital reception room, and also the duty doctor in the John Paul Pediatric Centre in Sosnowiec-Klimontów, at the Department of Anaesthesiology and Intensive Care. In the years of 2008-2013, he was the Deputy Head of the Department of Anaesthesiology and Intensive Care at the Specialist Hospital in Dąbrowa Górnicza. In 2014-2015 he was the head of the Department of Anesthesiology of the Poviat Hospital in Świętochłowice.                     Currently he is employed in the Katowice Oncology Centre in Poland at the Department of Anaesthesiology and Intensive Care. He completed a bronchofiberoscopy course at the Institute of Tuberculosis and Lung Diseases in Warsaw. He also completed post-graduate studies at the Jagiellonian University in Medicine of Pain and Geriatrics and long-term care, he also participated in many trainings and courses upgrading his competence.

Dr Piotr Kaczmarczyk. Lecturer, publicist, professionally active pharmacist. Author of a book on hospital malnutrition BIAŁY GŁÓD and over 200 scientific and popularizing publications. Vice-president of the Board of the Silesian Pharmacy Chamber, chairman of the Medical Pharmacies Committee of ŚIA, member of the Supreme Pharmaceutical Council, former president of the Kielce branch of PTFarm. Owner of the INTERMEN training and research company Piotr Kaczmarczyk, creator of the proprietary program for optimizing drug management in hospitals. Editor-in-chief of the "Apothecarius" magazine, member of the Scientific Committee of the Farmakoekonomika Szpitalna magazine. Publications min. Pharmacy Poland, Polish Chemist, Pharmaceutical Newspaper, Politics, Focus, Panacea, Pharmaceutical News, Health Market, Without Prescription, Live Longer, Pharmacy Fashion, Apothecarius, Primum homo. The professional experience of the speaker covers 20 years in the pharmaceutical industry, 18 years in the field of education and training in the field of public health and communication in health care, as well as pharmacology and clinical nutrition. Parallel 13 years of managerial experience in the sale and distribution of medicinal products, 6 years of managerial experience in the field of hospital pharmacy and parenteral nutrition. The main scientific interests are quality and communication in health care, modern hospital pharmacy, pharmaceutical care, clinical nutrition and herbal medicinal raw materials.