![Alberto Mario Griselli](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Alberto Mario Griselli
Chief Executive Officer at
TIM S.A.
Net worth: 3 M $ as of 2026-08-30
Profile
Currently, Alberto Mario Griselli is Chief Executive Officer at TIM Brasil Servicos e Participaçoes SA, Chief Executive Officer & Director at TIM SA (Brazil) since 2019, and Non-Executive Director at Digicel Holdings (Bermuda) Ltd. Formerly, Mr. Griselli was Managing Director-Brazil at Value Partners SpA, Chief Revenue Officer at TIM Participações SA, and Vice President-Latin America at Timwe in 2015.
Education includes an MBA from The Trustees of Columbia University in The City of New York and an undergraduate degree from Sapienza University of Rome.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
TIM S.A. 0.03% | 2026-05-04 | 717,473 ( 0.03% ) | 3 M $ | 2026-08-30 |
Alberto Mario Griselli active positions
| Companies | Position | Start |
|---|---|---|
| TIM S.A. | Chief Executive Officer | 2022-01-31 |
TIM Brasil Servicos e Participaçoes SA
 TIM Brasil Servicos e Participaçoes SA Specialty TelecommunicationsCommunications Provides telecommunications services | Chief Executive Officer | - |
Digicel Holdings (Bermuda) Ltd.
 Digicel Holdings (Bermuda) Ltd. Specialty TelecommunicationsCommunications Provides wireless telecommunication services | Director/Board Member | - |
Former positions of Alberto Mario Griselli
| Companies | Position | End |
|---|---|---|
Timwe
 Timwe Information Technology ServicesTechnology Services Provides technological and satellite telecommunications services | Corporate Officer/Principal | 2015-11-30 |
| TIM PARTICIPAÇÕES S.A. | Corporate Officer/Principal | - |
Value Partners SpA
 Value Partners SpA Miscellaneous Commercial ServicesCommercial Services Provides management and information technology consulting services | Corporate Officer/Principal | - |
Training of Alberto Mario Griselli
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
41
1st degree connections
8
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 8 |
|---|---|
TIM Participações SA
 TIM Participações SA Wireless TelecommunicationsCommunications Provides wireless cellular and telecommunication services | Communications |
The Trustees of Columbia University in The City of New York
 The Trustees of Columbia University in The City of New York Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
TIM Brasil Servicos e Participaçoes SA
TIM Brasil Servicos e Participaçoes SA Specialty TelecommunicationsCommunications Provides telecommunications services | Communications |
Value Partners SpA
Value Partners SpA Miscellaneous Commercial ServicesCommercial Services Provides management and information technology consulting services | Commercial Services |
Sapienza University of Rome
 Sapienza University of Rome Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Digicel Holdings (Bermuda) Ltd.
Digicel Holdings (Bermuda) Ltd. Specialty TelecommunicationsCommunications Provides wireless telecommunication services | Communications |
Timwe
Timwe Information Technology ServicesTechnology Services Provides technological and satellite telecommunications services | Technology Services |
TIM SA (Brazil)
 TIM SA (Brazil) Wireless TelecommunicationsCommunications Provides mobile telephony, internet and media telecommunication services | Communications |
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