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CCQM Working Group on Isotope Ratios (CCQM-IRWG)

Chair:  Prof. Zoltan Mester (NRC)


  • Prof. Zoltan Mester  (NRC)


  • Dr Jochen Vogl  (BAM)


  • Prof. Diego Alejandro Ahumada Forigua (INM Colombia)
  • Dr Juliana Barrios Guio (INM Colombia)
  • Dr Angelique Botha (NMISA)
  • Prof. Paul Brewer (NPL)
  • Dr Süleyman Z. Can (UME)
  • Ms Pui Sze Cheow (HSA)
  • Dr Ian Chubchenko (VNIIM)
  • Dr Giancarlo D'Agostino (INRIM)
  • Dr Betty-Jayne de Vos (NMISA)
  • Dr Philip Dunn (LGC)
  • Dr Bruno Garrido (INMETRO)
  • Dr Kiryong Hong (KRISS)
  • Dr Elias Kakoulides (EXHM/GCSL-EIM)
  • Dr Kyoung-Seok Lee (KRISS)
  • Dr Mark Lewin (NMIA)
  • Ms Fong Liu (NMIA)
  • Mr Dmitriy Malinovskiy (LGC)
  • Dr Jacqueline Mann (NIST)
  • Dr Janine Noordmann (PTB)
  • Dr Olaf Rienitz (PTB)
  • Dr Michela Sega (INRIM)
  • Mr Adnan Simsek (UME)
  • Prof. Ibrahim Tahoun (NIS)
  • Dr Tang Lin Teo (HSA)
  • Dr Robert D. Vocke (NIST)
  • Dr Jochen Vogl (BAM)
  • Msc Wagner Wollinger (INMETRO)
  • Dr Randa Yamani Nasr (NIS)
  • Dr Lu Yang (NRC)
  • Dr Nikolaos Zoulis (EXHM/GCSL-EIM)

Designation of contact persons

  CCQM: Upcoming meetings
23–30 April 2021: 26th meeting of the CCQM and related meetings
22–29 April 2022: 27th meeting of the CCQM and related meetings

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