GHI’s  staff is comprised of experienced professionals with diverse backgrounds, including earthquake science, engineering, medicine, law, communications, finance and international development. 

Mary Antonette Beroya-Eitner, Ph.D. is an engineering geologist with specialization in geohazards, in particular earthquake, landslide and flooding. She recently joined GHI as a project manager. Prior to joining GHI, she was a Senior Researcher and the International Research Coordinator of the Institute of Geotechnics at the Technical University of Darmstadt (TUDa), Germany. She was also the TUDa Coordinator of the EU project GEOLAB, a consortium of leading geotechnical institutions in Europe that aims to enhance the resilience of the critical infrastructures in the region. Tonette is currently an honorary Senior Research Fellow of the Manila Observatory. She has also served as a consultant/subject matter expert, mainly on Climate Change and Disaster Risk Reduction, to various international organizations and UN affiliated agencies including the United Nations Development Programme (UNDP-Philippines), Earthquake Megacities Initiatives (EMI), Partnerships in Environmental Management for the Seas of East Asia (PEMSEA) and Centre International de Formation des Autorités et Leaders (CIFAL-Philippines). Much prior, she had worked for the Mines and Geosciences Bureau-Department of Environment and Natural Resources (MGB-DENR) as a Senior Science Research Specialist, as well as for a couple of non-government organizations in the Philippines.

Tonette completed bachelor and master degrees in Geology from the University of the Philippines, and a PhD degree in Engineering Geology from the University of Hong Kong. She has a second master degree in Global Change Ecology under the Elite International Masters Study Program of the University of Bayreuth, Germany. She also has a postdoctoral degree from the United Nations University-Institute for the Advanced Study of Sustainability (UNU-IAS) and Tokyo University. Tonette served as a Board of Director/Treasurer of the Geological Society of the Philippines and the first president of UP Cwm Z’enana Alumni Council, an association of professional female geologist in the country.