Published: 06-11-2026 10:09 | Updated: 06-11-2026 10:12

Five Decades of Toxicological Impact Celebrated at KI

The hosts for the evening were program director Anna Beronius and deputy program director Kristian Dreij.

More than 250 alumni, current and former teachers, students and collaborators gathered at Karolinska Institutet on 24 October to celebrate the 50th anniversary of the Master's Programme in Toxicology.

Through presentations and reflections from graduates working in academia, industry and regulatory authorities, the anniversary seminar highlighted how toxicologists contribute to safer medicines, improved chemical safety and the protection of public health

Held under the theme"50 Years of Toxicological Impact: Advancing Science, Protecting Society", the seminar offered a unique opportunity to look back at the programme's development since its start in 1976 and to discuss the future of toxicology in an increasingly complex scientific and regulatory landscape. 

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Associate Prof. Anna Beronius, IMM

"Toxicology is becoming increasingly important as scientific advances generate new opportunities and new challenges. Our strength lies in combining cutting-edge science with risk assessment and regulatory perspectives, preparing students to make a real impact in society," says Anna Beronius, programme director at the Institute of Environmental Medicine.

The programme was founded to meet society's need for experts capable of understanding how chemicals, pollutants and medicines affect human health. Over the past five decades, graduates have gone on to careers in research, pharmaceutical development, chemical safety assessment, regulatory science and public health. Today, the programme continues to integrate scientific knowledge, methodology and risk assessment with a strong connection to both research and practice. 

The anniversary programme reflected the breadth of career paths pursued by alumni:

Former programme director Professor Annika Hanberg at the Institute of Environmental Medicine opened the seminar with a look back at the history of the programme and its development over the past fifty years. 

Patrik Andersson from AstraZeneca reflected on three decades as a toxicologist and on the evolution of pharmaceutical safety assessment, highlighting how scientific advances have transformed the development and evaluation of medicines. 

Drawing on his experience at the European Chemicals Agency, Scientific Officer Ifthekhar Ali Mohammed described how toxicological science supports chemical safety and evidence-based regulatory decision-making across Europe. 

Anna Steneholm CEO of TKT Sweden discussed the increasing importance of expert judgement in a field characterised by rapidly growing data volumes and expanding regulatory requirements. 

Assistant Professor Yitian Zhou from Linköping University shared perspectives from an eleven-year journey in toxicology, from student to researcher, and reflected on the role of toxicology in contributing to a healthier society. 

Finally, Professor Hanna Karlsson of Uppsala University discussed the links between research, education and societal impact, highlighting opportunities for future generations of toxicologists. 

Together, the presentations illustrated the many ways toxicologists contribute to society, from generating new scientific knowledge and developing safer medicines to supporting regulatory decisions and protecting human health. They also demonstrated the programme's longstanding connections with academia, industry and public authorities. 

Prof. Annika Hanberg, IMM

"The programme was established to meet a growing societal need for expertise in toxicology. Looking back over fifty years, it is remarkable to see how generations of graduates have contributed to research, regulation and the development of safer products and medicines," says Annika Hanberg.

While the event celebrated the programme's history, many speakers also looked ahead. Emerging technologies, evolving regulations and increasingly complex questions relating to human and environmental health will continue to require experts who can bridge science, risk assessment and policy. Fifty years after its launch, the programme remains committed to educating the next generation of toxicologists to meet those challenges. 

Facts

  • The Master's Programme in Toxicology at Karolinska Institutet was established in 1976. 
  • The programme is a two-year international master's programme that integrates toxicology, risk assessment and regulatory science. 
  • The anniversary celebration was held on 24 October 2026 at Aula Medica and Medicinska Föreningens Aula on KI's Solna campus. 
  • The seminar theme was"50 Years of Toxicological Impact: Advancing Science, Protecting Society". 
  • The event brought together 250 alumni from academia, industry, regulatory authorities and consultancies highlighting the diverse career paths available to toxicologists.