The International EPR (ESR) Society

President: Prof. Hitoshi Ohta Secretary: Prof. Aharon Blank Treasurer: Prof. Tatyana Smirnova

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The International EPR (ESR) Society has been an internationally active group since its inception in 1989. The Society aims to stimulate scientific development of electron paramagnetic resonance (EPR), also known as electron spin resonance (ESR) spectroscopy, facilitate communication among EPR (ESR) researchers, and encourage the use of EPR (ESR) techniques across a wide variety of research fields. The Society maintains a large database of members who are active in EPR (ESR) research. These members have access to a quarterly newsletter, too. At their annual meetings the Society also presents awards for research in various areas.

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Members can go the member page and login using their unique username and password. If you have forgotten your username you can email our Treasurer, Tatyana Smirnova () or Secretary, Aharon Blank () who will email you the information. After logging in, members can update their information, change their password, and access their individual payment history. If you have any questions about the payment records please contact the treasurer.

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We thank our corporate sponsors for their participation in the Society. We could not exist without your support.


  • The IES is sad to inform that Vice President Graeme Hanson passed away on Feb. 24, 2015. It was only 2 months after he started as the Vice President of IES. It was a great loss for our society and science as a whole. However, his will to expand and strengthen the society remains forever inside our hearts.
  • The Annual General Meeting of the IES will be held at the Rocky Maintain Conference in Snowbird, Utah, USA, late July. See Meetings page for more information.
  • As of 2014 the IES sponsors student awards for the best poster(s) at select EPR-related meetings each year. Eligible candidates are graduate students and post docs (not later than 3 years after their PhD.)
  • The EPR Newsletter is available by visiting the Newsletter website. There the members of the Society can download the most recent issue or peruse the older ones. (Each year, one issue is free -- available public issue.)
Upcoming Meetings (in the next 3 months):
Dec 15, 2015 - Dec 20, 2015: 2015 International Chemical Congress of Pacific Basin Societies (PACIFICHEM 2015), Honolulu, Hawaii, USA