Michel Destot

Michel Destot was born on 2 September 1946 in Malo-les-Bains, now part of Dunkirk, in the Nord department of northern France. He graduated from the Ecole nationale superieure d'arts et metiers, then took a science degree and a doctorate in nuclear physics at the Joseph Fourier University in Grenoble, defending his thesis before a jury chaired by the Nobel laureate Louis Neel. In parallel he graduated from the Institut d'etudes politiques de Grenoble.

An atomic engineer, Destot joined the Commissariat a l'energie atomique (CEA) in 1973 as a research engineer in its nuclear reactor department at Saclay, moving to Grenoble in 1976. He went on to head the CEA's training and simulation centre, where with a team of engineers and technicians he devised the first training tools for nuclear power plant operators. In 1989 he founded and became chief executive of Corys, a CEA Grenoble spin-off building simulators for energy and transport. He left the company when he ran for mayor in 1995.

He became politically active after May 1968, first in the Unified Socialist Party (PSU), where he sat on the national leadership from 1971 to 1974, and then in the Socialist Party as one of the leading figures of the Rocard current. He helped found the Socialisme et Democratie current around Dominique Strauss-Kahn in 2000 and 2001. After the 2008 Reims congress he became president of the party's National Council and a member of its National Bureau.

He was first elected to Grenoble city council in 1977 on the list of Hubert Dubedout, lost his seat in 1983, and returned in 1989 as leader of the Socialist opposition to Alain Carignon. He was a general councillor of Isere for the canton of Grenoble-3 from 1985 to 1995. In 1988 he was elected deputy for the third constituency of Isere and was re-elected in 1993, 1997, 2002, 2007 and 2012. In the Assembly he sat on the finance committee as rapporteur for the industry budget, launched the parliamentary energy meetings, and served as vice-president of the foreign affairs committee.

Elected mayor of Grenoble in June 1995, he was re-elected in 2001 and 2008. His mandates saw the Minatec, Clinatec and NanoBio research and innovation centres, the Minalogic cluster, the first French technological research institute for Nanoelec, tram lines C and E, the Chartreuse bridge and major urban projects at Europole, Vigny Musset, Caserne de Bonne and Bouchayer-Viallet. The Stade des Alpes, built in Paul Mistral park, drew months of protest in 2003 and 2004. He chaired the Groupement des autorites responsables de transport and, from 2007 to 2014, the Association of Mayors of Large Cities of France. He did not stand for a fourth term in 2014, and in 2017 he was defeated in the first round of the legislative elections.

Destot remained closely tied to Grenoble throughout his life and described his attachment to the city in an autobiographical book, Ma passion pour Grenoble, published in April 2015. The current mayor, Laurence Ruffin, recalled that he was also a familiar figure on the hiking trails around the city.

Michel Destot died on Saturday 14 November 2026, aged 80. His death was announced by the city of Grenoble and reported by AFP. The cause of death was not made public. The municipality paid tribute to a figure of the city's history who had brought together innovation, research, the economy, transport and urban planning. Former President Francois Hollande wrote on X that he was a man who sought to unite around great causes and that, as a deputy for thirty years, he had defended the need for an industrial policy and promoted the role of science.

Destot is remembered as the mayor who anchored Grenoble's identity as a city of science and high technology, linking its research laboratories, universities and industry through projects such as Minatec and the Minalogic cluster. His transport policy, including new tram lines and early electric mobility trials with Toyota and EDF, and his redevelopment of former military and industrial sites reshaped the city. The city of Grenoble said his three terms had left a lasting mark on its history.