Joni Tammi

Joni Tammi is a Researcher at Metsähovi Radio Observatory, with a career spanning radio astronomy, blazar studies, and multiwavelength astrophysics. He serves as Principal Investigator for multiple EU-funded projects including ACME, Opticon RadioNet Pilot, and Advanced Radio Astronomy in Europe.

• Education: PhD and Master's in Natural Sciences from University of Turku

His research focuses on blazar variability, relativistic jets, gamma-ray flares, and polarization behavior through multiwavelength campaigns and VLBI observations. He has contributed to over 100 publications with particular emphasis on equipartition energy analysis and neutrino source modeling.

Recent work explores 101 total research outputs including

• 86 articles in journals like Astronomy & Astrophysics and Monthly Notices of the Royal Astronomical Society
• 11 conference papers on radio astronomy techniques

His projects often integrate European radio networks and industry collaborations under initiatives like E2S-industry platform. He has chaired the Young European Radio Astronomers Conference and contributed to open-access solar data via the Metsähovi public solar database.