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Walfrido Silvino dos Mares Guia Neto
Founder at
COGNA EDUCAÇÃO S.A.
Net worth: 14 M $ as of 2026-06-29
Profile
Walfrido Silvino dos Mares Guia Neto is the founder of Cogna Educação SA, which was founded in 1966.
He is currently a Director at BIOMM SA, Saber Serviços Educacionais SA, and a Partner at Pitágoras Foundation.
Mr. dos Mares Guia Neto's former positions include Chairman at SOMOS Educação SA and the Council of Education Secretaries, Director at Biobras SA, and Tourism Minister of Brazil from 2003 to 2007.
He was also the Secretary of Education for the State of Minas Gerais from 1991 to 1995.
Mr. dos Mares Guia Neto received his undergraduate degree from Universidade Federal de Minas Gerais in 1966 and another undergraduate degree from FUMEC University in 1973.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
BIOMM SA 8.24% | 2026-01-06 | 11,270,298 ( 8.24% ) | 14 M $ | 2026-06-29 |
Walfrido Silvino dos Mares Guia Neto active positions
| Companies | Position | Start |
|---|---|---|
| COGNA EDUCAÇÃO S.A. | Founder | 1966-04-10 |
| BIOMM S.A. | Director/Board Member | 2013-12-15 |
Saber Serviços Educacionais SA
 Saber Serviços Educacionais SA Other Consumer ServicesConsumer Services Provides educational services | Director/Board Member | - |
Pitágoras Foundation | Corporate Officer/Principal | 1965-12-31 |
Former positions of Walfrido Silvino dos Mares Guia Neto
| Companies | Position | End |
|---|---|---|
Biobras SA
 Biobras SA Pharmaceuticals: MajorHealth Technology Manufactures diabetes products | Director/Board Member | 2000-12-31 |
State of Minas Gerais
 State of Minas Gerais Province/StateGovernment Functions as a regional level government authority | Corporate Officer/Principal | 1994-12-31 |
Government of Brazil
 Government of Brazil SovereignGovernment Functions as a sovereign level government authority | Corporate Officer/Principal | - |
| SOMOS EDUCACAO SA | Chairman | - |
Council of Education Secretaries | Chairman | - |
Training of Walfrido Silvino dos Mares Guia Neto
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
48
1st degree connections
11
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 11 |
|---|---|
BIOMM SA
 BIOMM SA Pharmaceuticals: MajorHealth Technology Develops technology for the production of insulin and other products | Health Technology |
Government of Brazil
Government of Brazil SovereignGovernment Functions as a sovereign level government authority | Government |
State of Minas Gerais
State of Minas Gerais Province/StateGovernment Functions as a regional level government authority | Government |
Biobras SA
Biobras SA Pharmaceuticals: MajorHealth Technology Manufactures diabetes products | Health Technology |
Universidade Federal de Minas Gerais
 Universidade Federal de Minas Gerais Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
FUMEC University
 FUMEC University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Cogna Educação SA
 Cogna Educação SA Miscellaneous Commercial ServicesCommercial Services Provides primary, secondary and post secondary educational services | Commercial Services |
Pitágoras Foundation | |
SOMOS Educação SA
 SOMOS Educação SA Miscellaneous Commercial ServicesCommercial Services Provides education services | Commercial Services |
Saber Serviços Educacionais SA
Saber Serviços Educacionais SA Other Consumer ServicesConsumer Services Provides educational services | Consumer Services |
Council of Education Secretaries |
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