• Abel, Matimajandusmatemaatika kateeder, dotsentTalTechis: 1967-1975
• Puura, Erikrektoraat, prorektorTalTechis: 2023-https://www.webofscience.com/wos/author/rid/FTA-2654-2022 https://scholar.google.com/citations?user=gMpV55MAAAAJ&hl=en https://www.scopus.com/authid/detail.uri?authorId=6506826100 https://taltech.ee/kontaktid/rektoraat/erik-puura