Mark Widmar

Chief Executive Officer at FIRST SOLAR, INC.

Net worth: 19 M $ as of 2026-06-29

60 year

84 connections

Electronic Technology

Utilities

Process Industries

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%	2026-05-25	81,861 ( 0.08% )	19 M $	2026-06-29
ALBEMARLE CORPORATION -.--%	2026-06-30	0 ( -.--% )	- $	2026-06-29

Mark Widmar active positions

Companies	Position	Start
FIRST SOLAR, INC.	Chief Executive Officer	2016-06-30
ALBEMARLE CORPORATION	Director/Board Member	2026-02-25

All active positions of Mark Widmar

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	2016-05-31
8POINT3 ENERGY PARTNERS LP	Director of Finance/CFO	2016-05-31
GRAFTECH INTERNATIONAL LTD.	Director of Finance/CFO	2011-03-14
NCR VOYIX CORPORATION	Comptroller/Controller/Auditor	2005-12-31
Dell, Inc. Dell, Inc. Computer Processing HardwareElectronic Technology Manufactures, sells and repairs computers, monitors and technology products	Corporate Officer/Principal	2002-10-31

See the detail of Mark Widmar's experience

Training of Mark Widmar

Experiences
Positions held

Active

Inactive

Listed companies

Private companies

See the detail of Mark Widmar's experience

Connections

1st degree connections

1st degree companies

Male

Female

Members of the board

Executives

See the personal network

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