William Mosley

Chief Executive Officer at SEAGATE TECHNOLOGY HOLDINGS PLC

Net worth: 274 M $ as of 2026-05-30

60 year

61 connections

Electronic Technology

Retail Trade

Consumer Services

Profile

William David Mosley is Chief Executive Officer & Director at Seagate Technology Plc. In his past career he held the position of Senior Engineer at Micropolis Corp., Research Physicist at Lawrence Livermore National Laboratory and Senior Engineer at Conner Peripherals, Inc. Dr. Mosley received a doctorate from the University of California.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
SEAGATE TECHNOLOGY HOLDINGS PLC 0.14%	2026-06-30	311,517 ( 0.14% )	274 M $	2026-05-30
CIRRUS LOGIC, INC. 0%	2026-05-11	1,624 ( 0% )	275 999 $	2026-05-30

William Mosley active positions

Companies	Position	Start
SEAGATE TECHNOLOGY HOLDINGS PLC	Chief Executive Officer	1995-12-31
CIRRUS LOGIC, INC.	Director/Board Member	2024-07-25
Seagate Technology ULC Seagate Technology ULC Electronics/Appliance StoresRetail Trade Operates as an online store that sells hard drives, storage devices, SSD and HDD	Chief Executive Officer	2017-09-30
Seagate Technology LLC Seagate Technology LLC Computer PeripheralsElectronic Technology Develops and manufactures data storage solutions	Chief Executive Officer	2017-06-30
Seagate Technology (US) Holdings, Inc. Seagate Technology (US) Holdings, Inc. Computer PeripheralsElectronic Technology Seagate Technology (US) Holdings, Inc. operates as a holding company. The company is headquartered in Cupertino, CA.	Chief Executive Officer	-

All active positions of William Mosley

Former positions of William Mosley

Companies	Position	End
Conner Peripherals, Inc. Conner Peripherals, Inc. Computer Processing HardwareElectronic Technology Manufactures electronic computers and computer storage devices	Corporate Officer/Principal	-
Micropolis Corp. Micropolis Corp. Computer PeripheralsElectronic Technology Manufactures hard drives	Corporate Officer/Principal	-
Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory Miscellaneous Commercial ServicesCommercial Services Provides nuclear testing services	Corporate Officer/Principal	-

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Linked companies

Private companies	9
Cirrus Logic, Inc. Cirrus Logic, Inc. SemiconductorsElectronic Technology Develops high-precision, analog and mixed-signal integrated circuits for audio and energy markets	Electronic Technology
Conner Peripherals, Inc. Conner Peripherals, Inc. Computer Processing HardwareElectronic Technology Manufactures electronic computers and computer storage devices	Electronic Technology
Seagate Technology ULC Seagate Technology ULC Electronics/Appliance StoresRetail Trade Operates as an online store that sells hard drives, storage devices, SSD and HDD	Retail Trade
Seagate Technology LLC Seagate Technology LLC Computer PeripheralsElectronic Technology Develops and manufactures data storage solutions	Electronic Technology
University of California, Davis University of California, Davis Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Lawrence Livermore National Laboratory Lawrence Livermore National Laboratory Miscellaneous Commercial ServicesCommercial Services Provides nuclear testing services	Commercial Services
Micropolis Corp. Micropolis Corp. Computer PeripheralsElectronic Technology Manufactures hard drives	Electronic Technology
Seagate Technology (US) Holdings, Inc. Seagate Technology (US) Holdings, Inc. Computer PeripheralsElectronic Technology Seagate Technology (US) Holdings, Inc. operates as a holding company. The company is headquartered in Cupertino, CA.	Electronic Technology
Seagate Technology Holdings Plc Seagate Technology Holdings Plc Computer PeripheralsElectronic Technology Manufactures data storage products	Electronic Technology