Thomas Castro

Thomas Castro

Chief Executive Officer at
El Dorado Capital LLC

Net worth: 583 $ as of 2026-03-30

71 year
Consumer Services
Commercial Services
Finance

Profile

Thomas H.
Castro
was the founder of El Dorado Communications, Inc., established in 1993, where the title held was Chairman & President from 1993 to 2009.
Mr. Castro was the founder of Border Media Partners LLC, established in 2002, serving as Chief Executive Officer & Director in 2008.
Mr. Castro was the founder of IMB Development Corp.
LLC, established in 2012, holding the title of Managing Director.
Mr. Castro is the founder of El Dorado Capital LLC, established in 2008, serving as President & Chief Executive Officer.
Current jobs include Chairman at Texas Charter Schools Association, Director at Spelman College, Director at Teach For America, Inc., Director at Latino Donor Collaborative, and Operating Partner at Pinto America Growth Fund LP.
Former jobs include Independent Director at Nielsen Holdings Ltd. from 2020 to 2022, Director at Smithsonian Institution, Independent Director at Time Warner Cable, Inc. from 2011 to 2016, Director at UnidosUS, Director at Surdna Foundation, Inc., Director at Latino Corporate Directors Association, Independent Director at Cumulus Media, Inc., and Trustee at Southern California Public Radio.
Education history includes undergraduate studies at Harvard College.

Known holdings in public companies

CompanyDateNumber of sharesValuationValuation date
2025-04-10 101,446 ( 0.59% ) 583 $ 2026-03-30

Thomas Castro active positions

CompaniesPositionStart
Director/Board Member 2010-11-23
Director/Board Member -
Chairman -
El Dorado Capital LLC
Chief Executive Officer 2008-11-30
Director/Board Member -
Corporate Officer/Principal -

Former positions of Thomas Castro

CompaniesPositionEnd
NIELSEN HOLDINGS PLC Director/Board Member 2022-10-10
Director/Board Member 2022-01-03
TIME WARNER CABLE INC Director/Board Member 2015-12-31
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See the detail of Thomas Castro's experience

Training of Thomas Castro

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

Connections

72

1st degree connections

18

1st degree companies

Male

Female

Members of the board

Executives

Linked companies

Private companies18

Finance

Commercial Services

Consumer Services

Consumer Services

Consumer Services

Consumer Services

Consumer Services

Commercial Services

Commercial Services

Consumer Services

Miscellaneous

Consumer Services

Commercial Services

Commercial Services

Finance

Consumer Services

El Dorado Capital LLC