1. Hair analysis for biomonitoring of environmental and occupational exposure: state of the art and future needs. 18th Meeting of the Society of Hair Testing, GENEVA, Switzerland. 28 - 30 August, 2013
2. Pesticide exposure of agricultural workers in Greece. Biomarkers diversity and variability. EUROTOX 2013, Interlaken, Switzerland. 1-4 September 2013.

3. Emerging health issues from chronic pesticide exposure: Innovative methodologiew and effects on molecular cell and tissue level. 2nd International Conference on Occupational and environmental Toxicology, Porto, Portugal. 16th-17th September 2013.


1. Effects on pregnancy, development of embryo and the neonate resulting from the prenatal and chronic exposure to pesticides. Biomarkers and effects on molecular cell and tissue level. Symposium Lecture 47th Congress of the European Societies of Toxicology (EUROTOX 2011), Paris, France, 28-31 August 2011.

2. Chronic cannabis abuse and prevalence of cognitive disorders. Symposium Lecture 47th Congress of the European Societies of Toxicology (EUROTOX 2011), Paris, France, 28-31 August 2011

3. Environmental Security for South-East Europe and Ukraine, NATO Advanced Research Workshop (ARW) Dnepropetrovsk, Ukraine, 17-19 May 2011


1. Toxic Effects, biomonitoring and biomarkers of susceptibility for pesticides and drugs of abuse. EUROTOX–Basic Toxicology Course, Heraklion Crete Greece, 18-23 October 2010

2. Concepts in food toxicology: Emerging risks and risk assesmnet of mediterannean diet. Advanced Toxicology Course, CEC Lecture, Medical Academy, Sofia- Bulgaria, 8-13 November 2010

3. Biomarkers of Genetic susceptibility for Pesticides. XII International Congress of Toxicology, (IUTOX-2010), CEC Lecture, Barcelona, Spain, 11 - 15 July 2010


1. Biomarkers and Biological Monitoring. Plenary Lecture In : Program 7th CTDC , Congress Of Toxicology In Developing Countries, Sun City , South Africa, 6-10 Sept, 2009

2. Assessment οf Exposure to Organochlorine and Organophosphate Pesticides in Greek Population. In: Medical Management οf Chemical And Biological Casualties Intern Symposium, Military Medical Academy, Sofia Bulgaria, 27-28 April, 2009

3. Human Monitoring οf Chemical Exposure. Continuing Educational Course (CEC), and Biomarkers And Biological Monitoring. Invited Lecture. In: Program 7th CTDC , Congress οf Toxicology in Developing Countries, Sun City, South Africa, 6-10 Sept, 2009

4. Pesticide Issues Related to Health in the Industrially World and in Developing Countrieς. In: Symposium Invited Lecture, 46th Congress of the European Societies ofToxicology (EUROTOX 2009), Dresden, Germany, 12-16 Sept, 2009

5. Advances on Pesticides Biomonitoring. In: International Congress on Runal Health , Keynote Lecture, 13-16 Oct 2009, Cartagena, Colombia


1. Genetic and Clinical Findings Related to Pesticide Exposure in Rural Population, Workshop Lecture International Conference on Rural Health, Department of Occupational Health of the University of Milan, San Paolo Hospital, Milan, Italy , April 2008

2. Assessing Chronic Exposure to Anti-Cholinesterase Agents by Analysis of Hair. Workshop Lecture In : NATO Advanced Research Workshop, “Counteraction ao Chemical and Biological Terrorism at a National and Local Level in Europe ”, Dnepropetrovsk Ukraine, October 14-17, 2008

3. Emerging Innovative Technologies in Forensic and Clinical Toxicology . In: Continuing Educational Courses, and Assessimg Chronic Exposure for Drugs of Abuse. In : Symposium Lecture, 45th Congress of the European Societies of Toxicology (EUROTOX 2008), Rhodes Greece, Oct 5-8, 2008

4. Assessing Long-term Exposure for Drugs of Abuse by Analysis of Hair. In : Symposium Lecture, 45th Congress of the European Societies of Toxicology (EUROTOX 2008), Rhodes Greece, Oct 5-8, 2008


1. Modern Trends and Analytical methods in Toxicology. Invited CEC Lecture. D. Mendelejev University of Chemical Technology of Russia, Moscow, Jan 2007

2. Assessing long term exposure to environmental pollutants and pesticides by hair analysis. Panel Discussion on QA/QC accreditation and interpretation issues. Annual Meeting of Society of hair testing, Cardiff, U.K. , May 2007

3. Presentation of scientific and organization issues of EUROTOX 2008. International Congress Toxicology IX (ICT IX) IUTOX , Montreal, Canada, July 2007

4. Disposition of toxic xenobiotics in tissues of human reproductive system. EUROTOX 2006, joined CTDX Congress of Toxicology, Cavtat , Croatia, Sept 2006

5. Hair testing and pubic hair testing for drugs of abuse for legal purposes in Crete. CEC Lecture in Moscow. Russian Academy of Sciences. Institute Molecular Medicine, May 2006

6. Biomonitoring for drugs abuse using unconventional samples. In: EUROTOX 2005, 45th Congress of Association of European Societies of Toxicology, Cracow, Poland Sept 2005

7. Assessment of addiction for drugs of abuse: Laboratory instrumental analysis of non conventional biosamples. In: Research Institute on Molecular Medicine, Department of Toxicology, Moscow, Russia, CEC Lecture 21. Nov, 2003

8. Biomarkers of susceptibility to pesticides In auguration on Ceremony. International Congress for Runal Health, Plenary Lecture, Milan, Italy, 22 Nov,2007


1. Current advances on hair analysis for drugs, pollutants and pesticides for the evaluation of chronic exposure. Symposium Lecture in International Congress on Education and Sustainable Development, National Academy of Russia, Moscow, Russia, Nov 15-19, 2004

2. Monitoring of pesticides in non conventional biosamples for the assessment of exposure and relation to toxicological effects. Keynote Lecture In: International Pesticide Conference Centre for Pesticide and Health Risk Prevention (ICPR) University Hospital Luigi Sacco, Italy, Oct 23, 2004

3. Monitoring and assessment of toxicological effects to man from the use of pesticides in Greece. Plenary Lecture in 5th International Congress of Turkish Society of Toxicology (CTOX), Antalya Oct 30 Nov, 2003

4. Human Monitoring and Assessment of Toxicological Effects from the Use of Pesticides in Crete and Greece. AROICON-2003, Invited symposium Lecture in International Congress on Radiology Oncology, Kochi, Kerala, India, Nov 20-23,2003

5. Mammography and hair testing findings in women occupationally exposed to pesticides. Symposium lecture in (IAAMH) International Conference of the Internal Association of Agriculture Medicine and Rural Health in Mediterranean and Balkan Countries, Bari, Italy 13-16 Nov, 2002

6. Analytical aspects of pesticide monitoring in biological samples. WHO/IPCS Poisons Information monographs (PIMs) working Group Invited Workshop Expert. Meeting of the INTOX programme/ pesticide project, Penang, Malaysia, 18-20 Dec 2002


1. The place of sectional hair testing in judicial and epidemiological applications. Invited Workshop Lecture, Copernicus Immunoanalysis Project Partners Meeting, Lomonosov University, Institute Molecular Medicine, Moscow, Russia. July 01, 2001

2. Interpretation of hair testing results. Workshop of the Society Hair Testing (SHT), Panel Discussion dose/response relationships. Invited Panel Expert, Bordeaux, France. June 01, 2001

3. Clinical and judicial applications of sectional hair testing. Invited Continuing Educational Course (CEC), Lecture, Moscow Medical Academy, Laboratory of Toxicology and Pharmacognosy, Moscow, Russia. Febr 2001

4. Judicial, epidemiological and clinical applications of sectional hair testing. Invited lecture in: 5th World Congress on Advance in Oncology and 3rd International Symposium on Molecular Medicine, Crete, Greece, October 19-21,2000

5. Current toxico-clinical, analytical and modificational aspects of xenobiotics (pesticides and drugs). Symposium keynote Lecture in 5th International Congress of Turkish Society of Toxicology (CTOX), Antalya Oct 30-Nov 2, 2000

6. Sectional hair testing. Judicial and clinical applications. Plenary Lecture. In Proceed In 4th Congress of Toxicology CTOX-DC, Nov 1999, Antalya Turkey

7. Laboratory evaluation of toxicomania using sectional hair testing. In: 15th Congress of the International Association of Forensic Sciences (IAFS), Aug 1999, LA, California, USA,

Professor Tsatsakis is Director at the Toxicology Science and Research Centre in the Department of Forensic Sciences of the Medical School in the University of Crete and The University Hospital.