Photo: Fede wiky, CC BY-SA 4.0, via Wikimedia Commons¹⁷

Stefano Buono

Italian physicist (born 1966)

Stefano Buono (born 1966) is an Italian physicist, and the chief executive officer (CEO) of newcleo, a startup working in the design of small nuclear reactors, which uses waste from other reactors to power itself, he co-founded in 2021.²

From Wikipedia’s article on Stefano Buono (this version), CC BY-SA 4.0.

Born 1966.¹

Companies

NewcleoBoard member Sep 21, 2026 to now¹²
NewcleoChief executive officer Sep 21, 2026 to now¹²
Advanced Accelerator ApplicationsFounder¹³
NewcleoFounder¹⁴
ABEONA THERAPEUTICS INC.Board member May 21, 2018 to May 22, 2020¹⁵

Holdings

Stock this person has reported owning, from the forms officers and directors file with the SEC. See the biggest insider stakes.

Shares held

Newcleo NWCL19,329,893 shares¹⁶$93.9M at $4.86Sep 21, 2026

As of each latest filing. The line shows shares held over time.

Early life and education

Date not recordedUniversity of Turin³

Career

Occupation: manager, entrepreneur, physicist.⁸

Date not recordedWorked at CRS4⁴
Date not recordedWorked at CERN⁴
Date not recordedFounded Newcleo⁵
Date not recordedFounded Advanced Accelerator Applications⁶
Date not recordedChief executive officer, Newcleo⁷

Prior to founding Advanced Accelerator Applications in 2002, Buono worked at the Centre for Advanced Studies, Research and Development or CRS4. During his six years within CRS4, he headed a team of engineers working on different international research projects in the field of energy production and nuclear waste transmutation (Accelerator-Driven Systems).

Before joining CRS4 and in parallel to his appointment at CRS4, Buono worked for approximately ten years with physics Nobel laureate Carlo Rubbia at CERN, one of the leading research laboratories for particle physics in the world. During that term, he also actively participated in the development of CERN's Adiabatic Resonance Crossing method.

From Wikipedia’s article on Stefano Buono (this version), CC BY-SA 4.0.

Personal life

Born1966, Avellino⁹
CitizenshipItaly¹⁰

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataStefano Buono on Wikidata
2
WikipediaStefano Buono on Wikipedia
3
WikidataStefano Buono: education, on Wikidata
4
WikidataStefano Buono: Worked at CRS4, on Wikidata
5
WikidataStefano Buono: Founded Newcleo, on Wikidata
6
WikidataStefano Buono: Founded Advanced Accelerator Applications, on Wikidata
7
WikidataStefano Buono: Chief executive officer, Newcleo, on Wikidata
8
WikidataStefano Buono: occupation, on Wikidata
9
WikidataStefano Buono: place of birth, on Wikidata
10
WikidataStefano Buono: citizenship, on Wikidata
11
WikidataStefano Buono: LinkedIn, on Wikidata
12
SEC EDGARNewcleo, Board member
13
WikidataAdvanced Accelerator Applications, Founder
14
WikidataNewcleo, Founder
15
SEC EDGARABEONA THERAPEUTICS INC., Board member
16
SEC EDGARNewcleo shares after the filing of Sep 21, 2026
17
Wikimedia CommonsStefano Buono photo by Fede wiky, CC BY-SA 4.0