Feitshans attended Barnard College for her undergraduate degree. She received her JD from Georgetown University in 1983. She went on to earn her Master's of Science from Johns Hopkins University School of Public Health, and her doctorate in International Relations from Geneva School of Diplomacy.[2] She holds the first Swiss doctorate in nanotechnology law.
As of November 2023, Feitshans was a Master of Law Candidate in National and Global Health at Georgetown University.[2]
Until 2008, Feitshans worked as a civil servant at the Geneva branch of the United Nations.[2][3] There, she contributed to an update of the UN's Encyclopedia of Occupational Health and Safety.[3] She also previously worked in Archamps, France, while she served as a Fellow in Law of Nanotechnology at the European Scientific Institute.[2][3]
Feitshans, Ilise (2021-09-07). "12. Nanoethics for safe work: philosophical foundations of safer nanodesign protecting workplace health". In Jeswani, Gunjan; Van De Voorde, Marcel (eds.). Handbook of Nanoethics. De Gruyter. doi:10.1515/9783110669282. ISBN978-3-11-066928-2. Retrieved 2024-04-11.
Feitshans, Ilise (2021). "12. Emerging nanoregulations: zapping the mythical absence of nanotechnology law". In Van de Voorde, Marcel; Jeswani, Gunjan (eds.). Ethics in Nanotechnology. De Gruyter. doi:10.1515/9783110719932. ISBN978-3-11-071993-2.
The American Society of Safety Engineers listed her among its “100 Women Making a Difference in Safety, Health and Environment Professions” in 2011.[4]Ms. JD, a development and networking for women lawyers and law students, gave her its 2016 Superwomen award. Her PhD thesis in international relations was awarded the Lausanne Prix de la Fondation de médecine sociale et preventive prize for the best research in social medicine and prevention at the University of Lausanne in 2014.[5]