The Mayor of Gramado is the Head of Government of the town. He/she is elected for a four-year term, allowed to seek re-election only once. The current Mayor is Nestor Tissot.
Gramado has a weak mayor-council form of government and, all executive powers are vested in the person of the mayor. Gramado Town Charter sets these responsibilities (Chapter III, Section II, Article 60), among others, for the Mayor of Gramado:
- Being the legal representatives in all lawsuits whenever Gramado is either plaintiff or defendant
- Appointment and firing of Cabinet members, their deputies, and every person appointed to a body connected to Town Hall
- Sponsoring bills as set forth by Town Charter
- Sign into law bills approved by Town Council
- Veto bills, either totally or partially
- Setting up bureaucracy
- Issuance of condemnation ordinances
- Drafting of appropriation bills
List of mayors since Emancipation
| # | Mayor | Term | Party |
|---|---|---|---|
| 1 | Walter Bertoluci | 1955–1959 | |
| 2 | Arno Michaelsen | 1960–1963 | |
| 3 | José Francisco Perini | 1963–1969 | |
| 4 | Horst Volk | 1969–1973 | ARENA |
| 5 | Waldemar Weber | 1973–1977 | ARENA |
| 6 | Nelson Dinnebier | 1977–1983 | PMDB |
| 7 | Pedro Bertolucci | 1983–1988 | PP |
| 8 | Nelson Dinnebier | 1989–1992 | PMDB |
| 9 | Pedro Bertolucci | 1993–1996 | PP |
| 10 | Nelson Dinnebier | 1997–2000 | PMDB |
| 11 | Pedro Bertolucci | 2001–2004 | PP |
| 12 | Pedro Bertolucci | 2005–2008 | PP |
| 13 | Nestor Tissot | 2009 – Current | PP |