From 1995 he studied in the Estonian Academy of Arts in the department of architecture and city planning.
From 2002 to 2006, Tõnis Kimmel worked in the architectural bureau KOKO arhitektid OÜ.
From 2005 Tõnis Kimmel works in the Tartu city government in the department of architecture.
Most notable works by Tõnis Kimmel are the apartment building on the Vabriku Street and the new synagogue of Tallinn.
For the new synagogue of Tallinn Tõnis Kimmel received the annual architectural award of the Estonian Cultural Endowment in 2006.