Guillermo O. Rivaben

Corporate Officer/Principal at AMERICAS TECHNOLOGY ACQUISITION CORP.

60 year

Communications

Consumer Services

Finance

Profile

Guillermo O.
Rivaben is the founder of Serac Partners, which was founded in 2019, where he holds the title of Managing Partner.
He currently holds positions as Vice Chairman at Springville SA, Director at Núcleo SAE, and Special Advisor at Americas Technology Acquisition Corp.
Mr. Rivaben's former positions include Chief Executive Officer at La Nación SA from 2014 to 2019, Chief Executive Officer at Telecom Personal SA from 2003 to 2014, Director-Mobile Business at Telecom Argentina SA from 2010 to 2014, and Vice President-Regional Marketing at AT&T Latin America Corp.
from 2000 to 2003.
Mr. Rivaben received an undergraduate degree from Universidad de Buenos Aires.

Guillermo O. Rivaben active positions

Companies	Position	Start
AMERICAS TECHNOLOGY ACQUISITION CORP.	Corporate Officer/Principal	-
Núcleo SAE Núcleo SAE Specialty TelecommunicationsCommunications Provides mobile telecommunication services	Director/Board Member	-
Springville SA	Director/Board Member	-
Serac Partners	Chief Executive Officer	01/04/2019

All active positions of Guillermo O. Rivaben

Former positions of Guillermo O. Rivaben

Companies	Position	End
La Nación SA La Nación SA Publishing: NewspapersConsumer Services Publishes newspapers and magazines	Chief Executive Officer	01/04/2019
Telecom Personal SA Telecom Personal SA Specialty TelecommunicationsCommunications Provides wireless telecommunication services	Chief Executive Officer	06/02/2014
TELECOM ARGENTINA S.A.	Corporate Officer/Principal	06/02/2014
AT&T Latin America Corp. AT&T Latin America Corp. Specialty TelecommunicationsCommunications Provides broadband communication services to the Latin American market	Sales & Marketing	01/01/2003

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Training of Guillermo O. Rivaben

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Linked companies

Private companies	9
Telecom Argentina SA Telecom Argentina SA Major TelecommunicationsCommunications Provides telecommunications services	Communications
AT&T Latin America Corp. AT&T Latin America Corp. Specialty TelecommunicationsCommunications Provides broadband communication services to the Latin American market	Communications
La Nación SA La Nación SA Publishing: NewspapersConsumer Services Publishes newspapers and magazines	Consumer Services
Universidad de Buenos Aires Universidad de Buenos Aires Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Telecom Personal SA Telecom Personal SA Specialty TelecommunicationsCommunications Provides wireless telecommunication services	Communications
Springville SA
Núcleo SAE Núcleo SAE Specialty TelecommunicationsCommunications Provides mobile telecommunication services	Communications
Americas Technology Acquisition Corp. Americas Technology Acquisition Corp. Financial ConglomeratesFinance Operates as a blank check company	Finance
Serac Partners