William Parrett

Director/Board Member at THOUGHTWORKS HOLDING, INC.

Net worth: 17 M $ as of 2026-05-30

80 year

84 connections

Commercial Services

Finance

Technology Services

Profile

William G. Parrett (born June 4, 1945) is an American businessman and senior manager who has served public, private, governmental, and state-owned clients worldwide. In October 2008, Parrett was elected to the board of directors of UBS AG and, in November 2014, to the Board of Directors of UBS Group AG. In May 2018, he stepped down from this role and is focussing on the position of President of UBS Americas Holding LLC.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
BLACKSTONE INC. 0.01%	2026-03-31	96,600 ( 0.01% )	11 M $	2026-05-30
ORACLE CORPORATION 0%	2025-09-18	27,075 ( 0% )	6 M $	2026-05-30

William Parrett active positions

Companies	Position	Start
BLACKSTONE INC.	Director/Board Member	2007-11-08
THOUGHTWORKS HOLDING, INC.	Director/Board Member	2016-12-31
Committee On Capital Markets Regulation Committee On Capital Markets Regulation Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization for critical financial regulatory policy issues	Corporate Officer/Principal	-
New York Foundation for Senior Citizens	Director/Board Member	-
ThoughtWorks, Inc. ThoughtWorks, Inc. Information Technology ServicesTechnology Services Operates as a technology consulting company specializes in AI based software engineering, data modernization and digital transformation	Director/Board Member	2017-12-06
The American Institute of Certified Public Accountants The American Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Association of accountants	Corporate Officer/Principal	-
Chief Executives For Corporate Purpose, Inc. Chief Executives For Corporate Purpose, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as an international forum of business leaders	Corporate Officer/Principal	-
The Catholic University of America The Catholic University of America Other Consumer ServicesConsumer Services Functions as a College/University	Director/Board Member	-
Blackstone Group Management LLC Blackstone Group Management LLC Investment ManagersFinance Provides investment advisory services	Director/Board Member	2007-11-08

All active positions of William Parrett

Former positions of William Parrett

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See the detail of William Parrett's experience

Training of William Parrett

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of William Parrett's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

Linked companies

Private companies	31
Cerner Corp. Cerner Corp. Packaged SoftwareTechnology Services Provides population health management tools, EHR platform, IT infrastructure and services	Technology Services
Eastman Kodak Co. Eastman Kodak Co. Industrial MachineryProducer Manufacturing Manufactures and markets digital printing products, industrial films & chemicals	Producer Manufacturing
Oracle Corp. Oracle Corp. Packaged SoftwareTechnology Services Provides cloud based enterprise applications and infrastructure technologies & license, hardware and IT services	Technology Services
iGATE Corp. iGATE Corp. Information Technology ServicesTechnology Services Provides IT services	Technology Services
UBS AG UBS AG Investment ManagersFinance Provides financial advice and wealth management services	Finance
ThoughtWorks, Inc. ThoughtWorks, Inc. Information Technology ServicesTechnology Services Operates as a technology consulting company specializes in AI based software engineering, data modernization and digital transformation	Technology Services
UBS Group AG UBS Group AG Investment ManagersFinance Provides private wealth management, advisory, investment and corporate banking & asset management services	Finance
Blackstone Corporate Private Equity Blackstone Corporate Private Equity Investment ManagersFinance Blackstone Corporate invests in middle market companies located across the globe. The firm targets companies operating across a broad range of sectors and industries. It provides financing for buyout and growth stage capital requirements.	Finance
Kodak India Pvt Ltd. Kodak India Pvt Ltd. Electronics/AppliancesConsumer Durables Distributes and process color films, cameras, printers and solutions	Consumer Durables
Deloitte & Touche LLP Deloitte & Touche LLP Miscellaneous Commercial ServicesCommercial Services Provides auditing, financial advisory and tax consulting services	Commercial Services
Deloitte LLP (New York) Deloitte LLP (New York) Miscellaneous Commercial ServicesCommercial Services Provides audit, consulting, tax and financial advisory services	Commercial Services
The American Institute of Certified Public Accountants The American Institute of Certified Public Accountants Miscellaneous Commercial ServicesCommercial Services Association of accountants	Commercial Services
The Catholic University of America The Catholic University of America Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
St. Francis College St. Francis College Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Thermo Fisher Scientific, Inc. Thermo Fisher Scientific, Inc. Medical SpecialtiesHealth Technology Develops, manufactures and markets analytical and environment monitoring instruments	Health Technology
United States Council for International Business United States Council for International Business Miscellaneous Commercial ServicesCommercial Services Operates as a council for international businesses	Commercial Services
The Carnegie Hall Society, Inc. The Carnegie Hall Society, Inc. Movies/EntertainmentConsumer Services Promotes musical performances	Consumer Services
Chief Executives For Corporate Purpose, Inc. Chief Executives For Corporate Purpose, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as an international forum of business leaders	Commercial Services
United Way Worldwide United Way Worldwide Investment Trusts/Mutual FundsMiscellaneous Operates charitable fundraising organization for health, education and financial stability of communities	Miscellaneous
International Chamber of Commerce (France) International Chamber of Commerce (France) Miscellaneous Commercial ServicesCommercial Services Chamber of Commerce	Commercial Services
Blackstone, Inc. Blackstone, Inc. Investment ManagersFinance Provides investment and fund management services	Finance
Blackstone Group Management LLC Blackstone Group Management LLC Investment ManagersFinance Provides investment advisory services	Finance
New York Foundation for Senior Citizens
US National Financial Services Industry Group
Global Financial Services Industry Group Global Financial Services Industry Group Investment ManagersFinance Provides financial planning services	Finance
Deloitte Touche Tohmatsu Ltd. Deloitte Touche Tohmatsu Ltd. Miscellaneous Commercial ServicesCommercial Services Provides auditing, consulting, financial and risk advisory & tax services	Commercial Services
Committee On Capital Markets Regulation Committee On Capital Markets Regulation Miscellaneous Commercial ServicesCommercial Services Operates as a non-profit organization for critical financial regulatory policy issues	Commercial Services
United Way of America Membership Committee
UBS Americas Holding LLC UBS Americas Holding LLC MiscellaneousMiscellaneous Functions as an investment holding company	Miscellaneous
Conduent, Inc. Conduent, Inc. Miscellaneous Commercial ServicesCommercial Services Provides business process outsourcing services	Commercial Services
Thoughtworks Holding, Inc. Thoughtworks Holding, Inc. Information Technology ServicesTechnology Services Provides technology consulting, software design and AI services	Technology Services