James Costos

Director/Board Member at PJT PARTNERS INC.

Net worth: 2 M $ as of 31/05/2026

63 year

77 connections

Consumer Services

Commercial Services

Health Technology

Profile

James Costos currently works at Secuoya Studios SL, as Chairman from 2020, PJT Partners, Inc., as Independent Director from 2017, Human Rights Campaign Foundation, as Director, J.
William Fulbright Foreign Scholarship Board, as Director, Dentons US LLP, as Senior MD-Global Venture Technology Group from 2019, and Fundación Museo Reina Sofía, as Member-International Council.
Mr. Costos also formerly worked at Eight Cylinders, Inc., as President & Chief Executive Officer, The Humane Society of The United States, as Director, TransparentBusiness, Inc., as Director, Grifols SA, as Independent Director from 2020 to 2024, Revolution Studios LLC, as Head-Promotions & Consumer Products, and Home Box Office, Inc., as Vice President-Global Licensing & Retail from 2007 to 2013.
Mr. Costos received his undergraduate degree in 1985 from the University of Massachusetts.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
PJT PARTNERS, INC. CLASS A 0.05%	17/06/2026	13,012 ( 0.05% )	2 M $	31/05/2026

James Costos active positions

Companies	Position	Start
PJT PARTNERS INC.	Director/Board Member	07/02/2017
Fundación Museo Reina Sofía Fundación Museo Reina Sofía Other Consumer ServicesConsumer Services Operates museums and art centres	Corporate Officer/Principal	-
Secuoya Studios SLU Secuoya Studios SLU Movies/EntertainmentConsumer Services Operates as an audiovisual production studio	Chairman	01/04/2020
Dentons US LLP Dentons US LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Corporate Officer/Principal	01/11/2019
Human Rights Campaign Foundation Human Rights Campaign Foundation Miscellaneous Commercial ServicesCommercial Services Works for lesbian, gay, bisexual and transgender for equal rights	Director/Board Member	-
J. William Fulbright Foreign Scholarship Board J. William Fulbright Foreign Scholarship Board Miscellaneous Commercial ServicesCommercial Services Operates as foreign scholarship board	Director/Board Member	-

All active positions of James Costos

Former positions of James Costos

Companies	Position	End
GRIFOLS, S.A.	Director/Board Member	19/09/2024
Home Box Office, Inc. Home Box Office, Inc. Cable/Satellite TVConsumer Services Owns and operates television & cable networks	Corporate Officer/Principal	01/01/2013
TransparentBusiness, Inc. TransparentBusiness, Inc. Packaged SoftwareTechnology Services Develops platform that helps companies manage remote work	Director/Board Member	-
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Training of James Costos

Experiences
Positions held

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Private companies

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Connections

1st degree connections

1st degree companies

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Female

Members of the board

Executives

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Linked companies

Private companies	13
Dentons US LLP Dentons US LLP Miscellaneous Commercial ServicesCommercial Services Provides legal services	Commercial Services
Grifols SA Grifols SA Pharmaceuticals: MajorHealth Technology Develops and manufactures biopharmaceuticals, diagnostic and bio supplies	Health Technology
Revolution Studios LLC Revolution Studios LLC Movies/EntertainmentConsumer Services Produces animations for the motion picture and video production	Consumer Services
PJT Partners, Inc. PJT Partners, Inc. Investment Banks/BrokersFinance Operates as a holding company that engages in the provision of financial advisory services	Finance
Home Box Office, Inc. Home Box Office, Inc. Cable/Satellite TVConsumer Services Owns and operates television & cable networks	Consumer Services
University of Massachusetts University of Massachusetts Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
The Humane Society of The United States The Humane Society of The United States Miscellaneous Commercial ServicesCommercial Services Operates as a nonprofit organization that provides animal protection services	Commercial Services
Human Rights Campaign Foundation Human Rights Campaign Foundation Miscellaneous Commercial ServicesCommercial Services Works for lesbian, gay, bisexual and transgender for equal rights	Commercial Services
Fundación Museo Reina Sofía Fundación Museo Reina Sofía Other Consumer ServicesConsumer Services Operates museums and art centres	Consumer Services
Eight Cylinders, Inc.
J. William Fulbright Foreign Scholarship Board J. William Fulbright Foreign Scholarship Board Miscellaneous Commercial ServicesCommercial Services Operates as foreign scholarship board	Commercial Services
TransparentBusiness, Inc. TransparentBusiness, Inc. Packaged SoftwareTechnology Services Develops platform that helps companies manage remote work	Technology Services
Secuoya Studios SLU Secuoya Studios SLU Movies/EntertainmentConsumer Services Operates as an audiovisual production studio	Consumer Services