Profile
W.
Thaddeus Miller currently works at Calpine Corp., as Executive Vice Chairman, Champion Energy Services LLC, as Secretary, Director & Chief Legal Officer, RMG Acquisition Corp.
VII, as Director from 2020, RMG Acquisition Corp.
V, as Independent Director, RMG Acquisition Corp.
IV, as Independent Director, RMG Acquisition Corp.
VI, as Director, Texas Genco, Inc., as Chief Legal Officer & Executive Vice President, and Oregon Electric Utility Co. LLC, as General Counsel.
Mr. Miller also formerly worked at United States Merchant Marine Academy Alumni Foundation, Inc., as Director, The United States Naval Academy Alumni Association, Inc., as Director, RMG Acquisition Corp.
III, as Independent Director from 2021 to 2025, RMG Acquisition Corp., as Independent Director from 2019 to 2020, RMG Acquisition Corp.
II, as Independent Director from 2020 to 2021, Calpine Corp., as Secretary, Chief Legal Officer & Executive VP from 2008 to 2017, Orion Power Holdings, Inc., as Chief Legal Officer & Executive Vice President from 1998 to 2002, NRG Texas LLC, as Chief Legal Officer & Executive Vice President in 2006, Texas Genco, Inc., as Chief Legal Officer & Executive Vice President from 2006 to 2007, TPG Capital LLC, as Consultant in 2004, Goldman Sachs & Co. LLC, as Vice President from 1994 to 1998, and US Coast Guard, as Principal in 1976.
Mr. Miller received his undergraduate degree from United States Merchant Marine Academy and graduate degree from St. John's University School of Law.
W. Miller active positions
| Companies | Position | Start |
|---|---|---|
| CALPINE CORPORATION | Director/Board Member | 01/03/2018 |
Texas Genco, Inc.
Texas Genco, Inc. Electric UtilitiesUtilities Generates and distributes electricity | General Counsel | - |
Oregon Electric Utility Co. LLC
Oregon Electric Utility Co. LLC Electric UtilitiesUtilities Provides electric services | General Counsel | - |
Champion Energy Services LLC
Champion Energy Services LLC Electric UtilitiesUtilities Provides electrical contracting services | Director/Board Member | - |
RMG Acquisition Corp. VI
RMG Acquisition Corp. VI Financial ConglomeratesFinance Operates as a blank check company | Director/Board Member | - |
RMG Acquisition Corp. VII
RMG Acquisition Corp. VII Financial ConglomeratesFinance Operates as a blank check company | Director/Board Member | 01/02/2020 |
RMG Acquisition Corp. V
RMG Acquisition Corp. V Financial ConglomeratesFinance Operates as a blank check company | Director/Board Member | - |
RMG Acquisition Corp. IV
RMG Acquisition Corp. IV Financial ConglomeratesFinance Operates as a blank check company | Director/Board Member | - |
Former positions of W. Miller
| Companies | Position | End |
|---|---|---|
| RMG ACQUISITION CORP. III | Director/Board Member | 09/07/2025 |
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Training of W. Miller
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 20 |
|---|---|
Calpine Corp.
Calpine Corp. Electric UtilitiesUtilities Generates and supplies electricity from natural gas & geothermal resources | Utilities |
Orion Power Holdings, Inc.
Orion Power Holdings, Inc. Electric UtilitiesUtilities Develops and operates power generating facilities | Utilities |
NRG Texas LLC
NRG Texas LLC Electric UtilitiesUtilities Provides electric power generating services | Utilities |
Texas Genco, Inc.
Texas Genco, Inc. Electric UtilitiesUtilities Generates and distributes electricity | Utilities |
TPG Capital LLC
TPG Capital LLC Investment ManagersFinance TPG Capital seeks investment opportunities in companies located across the globe. The firm focuses on companies operating in fields of wide range of sectors. It provides equity financing for buyout transactions. | Finance |
Goldman Sachs & Co. LLC
Goldman Sachs & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Oregon Electric Utility Co. LLC
Oregon Electric Utility Co. LLC Electric UtilitiesUtilities Provides electric services | Utilities |
United States Merchant Marine Academy
United States Merchant Marine Academy Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
US Coast Guard
US Coast Guard General GovernmentGovernment Provides coast guard services | Government |
United States Merchant Marine Academy Alumni Foundation, Inc. | |
The United States Naval Academy Alumni Association, Inc.
The United States Naval Academy Alumni Association, Inc. Miscellaneous Commercial ServicesCommercial Services Provides supportive services to navel academy | Commercial Services |
Champion Energy Services LLC
Champion Energy Services LLC Electric UtilitiesUtilities Provides electrical contracting services | Utilities |
St. John's University School of Law
St. John's University School of Law Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
RMG Acquisition Corp.
RMG Acquisition Corp. Financial ConglomeratesFinance Operates a blank check company | Finance |
RMG Acquisition Corp. II
RMG Acquisition Corp. II Financial ConglomeratesFinance Operates as blank check company | Finance |
RMG Acquisition Corp. III
RMG Acquisition Corp. III Financial ConglomeratesFinance Operates as a blank check company | Finance |
RMG Acquisition Corp. VII
RMG Acquisition Corp. VII Financial ConglomeratesFinance Operates as a blank check company | Finance |
RMG Acquisition Corp. V
RMG Acquisition Corp. V Financial ConglomeratesFinance Operates as a blank check company | Finance |
RMG Acquisition Corp. IV
RMG Acquisition Corp. IV Financial ConglomeratesFinance Operates as a blank check company | Finance |
RMG Acquisition Corp. VI
RMG Acquisition Corp. VI Financial ConglomeratesFinance Operates as a blank check company | Finance |
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