• Fridolin, Ivotervisetehnoloogiate instituut, professorAt TalTech: 2003-https://orcid.org/0000-0001-7374-4287 https://www.webofscience.com/wos/author/rid/H-5406-2015 https://scholar.google.com/citations?hl=en&user=SJ8D2-QAAAAJ
• Ligi, Viivetöökaitse kateeder, vanemõpetajaAt TalTech: 1983-1989
• Veski, Siimgeoloogia instituut, professorAt TalTech: 1999-https://orcid.org/0000-0002-8297-2385 https://www.webofscience.com/wos/author/rid/A-9417-2014