![Mark Widmar](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Widmar
Chief Executive Officer at
FIRST SOLAR, INC.
Net worth: 25 M $ as of 31/05/2026
Profile
Presently, Mark R. Widmar holds the position of Chief Executive Officer & Director at First Solar, Inc. Mr. Widmar previously occupied the position of CFO & President-Engineering Solutions at GrafTech International Ltd., Chief Financial Officer & Director at 8point3 Energy Partners LP, Chief Financial Officer & Director at 8point3 General Partner LLC, Principal at Bristol Myers Squibb Co., Controller at NCR Corp., Principal at Honeywell International LLC, Divisional Controller at Dell, Inc., Principal at Lucent Technologies, Inc. and Accountant of Ernst & Young LLP. Mark R. Widmar received an undergraduate degree and an MBA from Indiana University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
FIRST SOLAR, INC. 0.08% | 26/05/2026 | 81,861 ( 0.08% ) | 25 M $ | 31/05/2026 |
| 11/03/2026 | 0 ( -.--% ) | - $ | 31/05/2026 |
Mark Widmar active positions
| Companies | Position | Start |
|---|---|---|
| FIRST SOLAR, INC. | Chief Executive Officer | 01/07/2016 |
| ALBEMARLE CORPORATION | Director/Board Member | 26/02/2026 |
Former positions of Mark Widmar
| Companies | Position | End |
|---|---|---|
8point3 General Partner LLC
 8point3 General Partner LLC Alternative Power GenerationUtilities Generates solar energy | Director of Finance/CFO | 01/06/2016 |
| 8POINT3 ENERGY PARTNERS LP | Director of Finance/CFO | 01/06/2016 |
| GRAFTECH INTERNATIONAL LTD. | Director of Finance/CFO | 15/03/2011 |
| NCR VOYIX CORPORATION | Comptroller/Controller/Auditor | 01/01/2006 |
Dell, Inc.
 Dell, Inc. Computer Processing HardwareElectronic Technology Manufactures, sells and repairs computers, monitors and technology products | Corporate Officer/Principal | 01/11/2002 |
Training of Mark Widmar
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
83
1st degree connections
12
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 12 |
|---|---|
Albemarle Corp.
 Albemarle Corp. Chemicals: SpecialtyProcess Industries Manufactures basic lithium compounds for energy storage, plastic materials and organometallic co-catalysts | Process Industries |
AlliedSignal, Inc.
 AlliedSignal, Inc. Aerospace & DefenseElectronic Technology Provides aerospace and automotive parts, chemicals, fibers and plastic products | Electronic Technology |
Bristol Myers Squibb Co.
 Bristol Myers Squibb Co. Pharmaceuticals: MajorHealth Technology Manufactures and markets biopharmaceuticals products | Health Technology |
Dell, Inc.
Dell, Inc. Computer Processing HardwareElectronic Technology Manufactures, sells and repairs computers, monitors and technology products | Electronic Technology |
Lucent Technologies, Inc.
 Lucent Technologies, Inc. Telecommunications EquipmentElectronic Technology Designs and builds a wide range of public and private networks, communications systems and software, and data networking systems, as well as telephone systems and microelectronic components | Electronic Technology |
GrafTech International Ltd.
 GrafTech International Ltd. Electrical ProductsProducer Manufacturing Manufactures graphite electrodes, refractory products, advanced graphite materials and natural graphite products | Producer Manufacturing |
NCR Voyix Corp.
 NCR Voyix Corp. Packaged SoftwareTechnology Services Provides digital commerce solutions for retail stores and restaurants | Technology Services |
Ernst & Young LLP
 Ernst & Young LLP Miscellaneous Commercial ServicesCommercial Services Provides assurance, auditing, tax, legal, technology and consulting & managed services | Commercial Services |
First Solar, Inc.
 First Solar, Inc. SemiconductorsElectronic Technology Manufactures and sells photovoltaic solar modules | Electronic Technology |
Indiana University
 Indiana University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
8point3 Energy Partners LP
 8point3 Energy Partners LP Alternative Power GenerationUtilities Owns, operates and acquires solar energy generation projects | Utilities |
8point3 General Partner LLC
8point3 General Partner LLC Alternative Power GenerationUtilities Generates solar energy | Utilities |
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