Dr Sylwester Pietrzyk, lecturer at Faculty of Management at Wyższa Szkoła Menedżerska in Warsaw. Graduate of the Law Faculty at Warsaw University and the Postgraduate Studies in Human Resource Management at Warsaw School of Economics. He had classes with students at postgraduate and MBA studies at Clark University (2016-2018). The member of the Scientific Board Lukasiewicz Research Network the Institute of Organization and Management in Industry ORGMASZ. A registered lecturer of the Regional Chamber of Legal Advisers and Polish Academy of Science. The author of many scientific publications, and hundreds of popularizing management methods. Speaker at numerous HR conferences. He is focus on researches the senioralisation and it's influence to knowledge management. For 20 years works as a business management consultant with over thousand organizations.
Dr Sylwester Pietrzyk
ORCID: 0000-0001-7697-0853
DOI: 10.33226/0032-6186.2021.8.6
JEL: M54
DOI: 10.33226/0032-6186.2021.3.5
JEL: M54