Tomas Pfeiffer is a longtime practitioner in the field of Traditional, Complementary, and Integrative Medicine (TCIM). In 1999, he established the Foundation Byti through which he builds and runs the house of Biotronic Centre for Social Support focusing on health prevention. It is also the seat of the Spiritual University Byti established on 30 March 1994 in Prague. Petition in support of Biotronics received over 40,000 petitioners and was successfully discussed by Petition Committee of the Parliament of the Czech Republic. He is the main representative of the Biotronics discipline, the founder and director of the Professional Chamber Sanator - the Union of Biotronicists of Josef Zezulka, which is in charge of training of the students of this discipline and guarantees the professional standard. The Chamber is a member of major TCIM associations and other healthcare organizations, such as EUAA, ANME, EU Health Policy Platform for Public Health of the European Commission, ISCMR, RCCM, BSIO, SIO, SPMI, and Ayush Valley Foundation. Tomas Pfeiffer founded the Institute for TCIM/CAM whose goal is to develop mutual cooperation between medical disciplines and TCIM/CAM disciplines and create conditions for strengthening of the position of TCIM/CAM. The Institute for TCIM/CAM is currently organizing the 3rd World Health Congress 2023 Prague and creating the Platform 2020 Prague. These projects aim to enable dialogue and mutual cooperation among the TCIM and other healthcare branches. In 2020, Tomas Pfeiffer, as a chair of the Organizing Committee, received grant of the Capital City of Prague for organization of the World Health Congress 2020 Prague. He worked in the Committee for alternative medicine under the Minister of Health of the Czech Republic and held the position of a spokesman for the Czech Association of Professional Healers. He also works on projects of active protection of the UNESCO world cultural heritage.