Leonardo Perronace was born in Rome on September 23, 1965 and has been involved in arboriculture since 1994. After graduating from Perito Agrario in 1984, he has been managing business and is also a deputy director of the "Bonifica di Torre in PIetra" farm in the Agro Romano. In 1992 he started a gardening teaching experience for children with disabilities at ANFFAS in Rome. Since 2000 he is a consultant and specifically deals with tree stability and safety of green operators. From 2010 to 2016 he is Chairman of the Collegiate of Agrarian Experts and of Agrarian Graduates of Rome. Among its clients are the Presidency of the Republic with the Quirinale Gardens, the Chamber of Deputies, the Ministry of Cultural Heritage and Tourism, the United States Embassy, the Military Air Force Command the Guardian of Finance Headquarters Command. She is going to present her graduate thesis in Agricultural Sciences and Technologies.