Medichem brings together a vast network of experts and professionals.
Founded in 1972 to advance occupational and environmental health across the global chemical industry.
The History Of Medichem
Medichem, an international scientific association founded in 1972 by Prof. Dr. Alfred M. Thiess, is dedicated to occupational and environmental health in the chemical sector.
What We Have Achieved
Over the decades, Medichem has grown to facilitate international cooperation and knowledge sharing through annual congresses, research publications, and professional development opportunities. It has played a key role in advancing scientific and technological methods to mitigate health hazards in the chemical industry.
Key Milestones
Foundation
Medichem was founded by Prof. Dr. Alfred M. Thiess in Ludwigshafen, Germany.
Global Expansion
Expansion of membership globally and establishment of annual international congresses.
Global Affiliations
Strengthening affiliations with international bodies like the International Commission on Occupational Health (ICOH).
Present Impact
Continuous contribution to occupational health and safety through research, education, and global collaboration.
Founding of Medichem
Medichem was founded in 1972 by Prof. Dr. med. Dr. h. c. Alfred M. Thiess, who was the Corporate Medical Director at BASF, the world’s largest chemical company based in Ludwigshafen, Germany.
Prof. Dr. med. habil. Dr. med. h. c. Alfred Michael Thiess, Founder & Honorary President of Medichem, passed away on Wednesday, the 3rd of February 2016, exactly four months after his 94th birthday on October 3, 2015.
ICOH Affiliation
Today, Medichem is affiliated with the International Commission on Occupational Health (ICOH) and continues to influence global occupational health standards and practices.
Who Are They?
The International Commission on Occupational Health (ICOH) is a global organization dedicated to promoting and advancing occupational health and safety. The ICOH holds consultative status with the United Nations and its specialized agencies such as the International Labour Organization (ILO) and the World Health Organization (WHO). This affiliation enhances Medichem’s ability to influence global occupational health standards and practices. ICOH’s role in fostering international collaboration aligns with Medichem’s mission to improve health and safety in the chemical industry through scientific and technological advancements.
Find Out More at ICOH


Executive Committee
Officers and Board Members representing occupational medicine in the chemical sector worldwide.
Dr. Steffen Hitzeroth
Dr. David Miedinger
Dr. Ashish Mishra
Medichem Board
Medichem Congresses
Each year, the Medichem Congress is convened at various international locations. Listed below are the previous congresses, along with the respective years in which they were held. Members receive feedback about the proceedings of each Congress without additional charges.