SSEF Team

Director

Dr. Michael S. Krzemnicki FGA - Director of SSEF

Michael has been with SSEF since February 1998. Following his tenure as director of education, he became director of the SSEF laboratory in June 2009. He is involved in gemstone testing, education and management of the laboratory. Dr Krzemnicki holds a Master's degree in Mineralogy and received his PhD in 1996 from Basel University (Switzerland). He received his FGA Diploma in January 1998. He is a fellow of the Gemmological Association of Great Britain and member of the Swiss Gemmological Society SGG. He his assisted in his management duties by Victoria.


Gemmological Department

Pierre Lefèvre MSc, DUG - Head of Gem Testing

Pierre joined SSEF as a gemmologist in August 2005 and is head of gemstone testing at SSEF. He holds a Master’s in mineralogy from Liège University in Belgium, having completed his studies in 2003. In parallel, he followed courses at the "Société Belge de Gemmologie" in Brussels, and received the FEEG Diploma (Federation of European Education in Gemmology) in 2003. In 2005 he completed his studies on gemstone treatments with a DUG Diploma (Diplome Universitaire de Gemmologie à Nantes, France). From 2003 to 2005, he was lecture assistant at the University of Liège, Belgium.


Dr. Wei Zhou FGA

Wei joined SSEF as a gemmologist in April 2011. She holds a Bachelor in gemmology from the China University of Geosciences (Beijing) and a Master in mineralogy from the same institution. She completed her PhD in 2011 at the Institute of Mineralogy and Geochemistry at the University of Freiburg in Germany. She completed her FGA Diploma in 2013. 


Sebastian Hänsel MSc, FGA

Sebastian joined SSEF in April 2013. He has a Master in Geology from Graz University. He completed his FEEG gemmological diploma in Linz (Austria). He works as a gemmologist for SSEF and carries out research on the SSEF gemstone collection.

 


Alexander Klumb MSc, FGA

Alexander joined SSEF in 2011. He has a Bachelor in Geosciences from the University of Basel and a Master in Geosciences from the same university. He works for SSEF as a gemmologist.

 


Dr. Tashia Dzikowski, FGA

Tashia joined SSEF in February 2014, and is currently working as a gemmologist. She completed her Bachelor of Science in Geological Sciences at the University of Manitoba (Winnipeg, Canada), followed by both her Master of Science (MSc) and PhD in Geological Sciences at the University of British Columbia (Vancouver, Canada). Her PhD research was on the origin of ruby and sapphire in marble from two different localities in Canada. During her PhD, she was also a lecturer at the University of British Columbia where she taught an introductory course called Gold and Gems. 


Dr. Laurent E. Cartier FGA

Laurent joined SSEF in 2010. He holds a Masters in Earth Sciences from Basel University and completed his FGA Diploma in 2008. He holds a PhD from Basel University that focused on pearl farming and pearl traceability issues, and is a lecturer for Gemmology at the University of Lausanne (UNIL). He is a founder of the Sustainable Pearls project. He is actively involved in the Swiss Gemmological Society (SGG) and the International Gemmological Conference (IGC). He is involved in different project management, research and teaching activities at the SSEF. 


Diamond Department

Jean-Pierre Chalain DUG - Head of Diamond Department & Deputy Director SSEF

Jean-Pierre has been with SSEF since July 1994, now as director of the diamond department. He completed his Diploma of Gemmology at the University of Nantes in 1992. His main working fields in the laboratory are colourless and coloured diamonds, but he is also involved with the testing of coloured stones and pearls. Jean-Pierre is delegate of Switzerland at the World Jewellery Confederation (CIBJO) and is a member of the Laboratory Manual Harmonization Commission (LMHC).


Luc Phan

Luc has been with SSEF since June 2006. He works on quality assessment of small diamonds and grading of large diamonds. He is our in-house photographer of gemstones and jewellery items.


Ly Phan

Ly joined SSEF in 2013. He works on quality assessment of small diamonds and grading of large diamonds. He is also an ASDI instrument specialist.


Julien Xaysongkham

Julien has been with SSEF since March 2008. He is a specialist in the quality control of small diamonds and grading of large diamonds.


Analytical Department

Judith Braun - Head of Analytics

Judith joined SSEF as an analytical scientist in 2012. She previously worked as laboratory head at UMICORE and as a specialist for ICP and X-ray techniques. She now does pearl radiographies and micro X-ray computerised tomography for pearls at SSEF. She also operates instruments such as ED-XRF, UV-Vis, FTIR, Raman microspectrometry and LIBS. She provides gemmologists the chemical and spectral results they require for the identification of gemstones. She is joined by Gina in the Analytical department.


Dr. Hao Wang

Hao joined SSEF in autumn 2015 and is now working as a research scientist. He obtained his PhD at ETH Zurich in 2013 developing LA-ICP-MS methods. Currently, Hao is mainly responsible for the commission and development of GemTOF - a state-of-the-art LA-ICP-Time Of Flight-MS platform at SSEF.


Administration

Alexandra Kokkinopulos - Head of Administration

Alexandra is head of administration, joining SSEF in 2010. She has a degree in business administration and previously worked for several companies in the Basel region. She is responsible for accounting, client contacts and general administration. She works with Özlem, Tania and Véronique in the administration team. 

 


IT

Piotr Halicki MSc - Head of IT

Piotr joined SSEF in 2010. He has a Master in Geosciences from the University of Basel. His research focus has been on LA-ICP-MS of sapphires from different origins. He is also carrying out LA-ICP-MS research on the SSEF gemstone collection.

 


SSEF Asia

Judy Tu FGA G.G.

Judy has been working with SSEF since 2007. She studied international trade and management in Fukuoka (Japan) and NTNU (Taipei). She has extensively studied gemmology in Germany (FGG), GIA (G.G.) and the Gemmological Association of Great Britain (FGA). She is a widely published author on gemmological and jewellery-related topics. She is a contributing editor for Jewelery World Magazine. She has been working with SSEF in Far East Asia (Bangkok, Hong Kong, mainland China, Taipei) for a number of years and can be contacted for any matters related to on-site testing in Asia and shipping of goods to Switzerland.


Research associates

Prof. Dr. Henry A. Hänni FGA

Prof. Dr. Henry A. Hänni is a research associate with SSEF. He was director of SSEF from 1990-2009. He received his doctorate in Mineralogy from the University of Basel in 1980 and earned the title of professor in 1996 from the same university. He received his FGA Diploma in 1978. He has been regularly teaching gemmology courses at Basel and Lausanne universities for three decades. Prof. Hänni has published over 150 articles on gemstones and analytical techniques in numerous journals.

Dr. Walter A. Balmer G.G. MBA

Walter is a research associate with SSEF.

Dr. Joana B. Meyer

Joana is a research associate with SSEF. She holds a Biology Masters from Lausanne University and a PhD from ETH Zurich where she researched soil microorganisms and plant-bacterial interactions. She is an expert in DNA fingerprinting techniques in a range of materials and organisms. She is lead scientist on an SSEF-ETHZ project on DNA fingerprinting of pearls to determine their origin.