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Alpha and Omega Semiconductor Limited (AOSL)

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Alpha and Omega Semiconductor Limited

475 Oakmead Parkway
Sunnyvale, CA 94085
United States

IndustrySemiconductor - Specialized
Full Time Employees2,800

Key Executives

Dr. Mike F. Chang Ph.D.Co-Founder, Chairman, Chief Exec. Officer and Pres417.14kN/A72
Dr. Yueh-Se Ho Ph.D.Co-Founder, Chief Operating Officer and Director290.87kN/A65
Mr. Yifan LiangChief Financial Officer and Corp. Sec.280.45k65k53
Mr. Kuang Ming ChangSr. VP of Marketing258.92k155.12k62
Dr. Sik Kwong LuiCo-Founder and VP of Silicon TechnologyN/AN/AN/A
Amounts are as of December 31, 2016 and compensation values are for the last fiscal year ending on that date. Pay is salary, bonuses, etc. Exercised is the value of options exercised during the fiscal year. Currency in USD.


Alpha and Omega Semiconductor Limited, together with its subsidiaries, designs, develops, and supplies a portfolio of power semiconductors for consumer, computing, communications, and industrial markets primarily in the United States, Hong Kong, Macau, China, Taiwan, South Korea, and Japan. It offers various power discrete products, including low, medium, and high voltage power metal-oxide-semiconductor field-effect transistors (MOSFETs); and SRFETs, XSFET, electrostatic discharges, protected MOSFETs, and insulated gate bipolar transistors, which are used for routing current and switching voltages in power control circuits. The company also provides power IC products comprising devices that are used for power management and power delivery; and analog power devices that are used for circuit protection and signal switching. Its power discrete products are used in applications, such as notebooks, ultrabooks, desktop and tablet PC's, servers, flat panel displays, TVs, graphics cards, game boxes, chargers, battery packs, AC adapters, power supplies, e-bikes, motor control, smart phones and other portable devices, white goods and industrial motor drives, UPS systems, wind turbines, solar inverters, and industrial welding; and power ICs have applications in flat panel displays, TVs, notebooks, ultrabooks, servers, DVD/Blu-Ray players, set-top boxes, and networking equipment, as well as desktop PCs, tablets, smartphones, and portable electronic devices. The company markets its products directly, as well as through distributors and original design manufacturers to original equipment manufacturers. Alpha and Omega Semiconductor Limited was incorporated 2000 and is headquartered in Sunnyvale, California.

Corporate Governance

Alpha and Omega Semiconductor Limited’s ISS Governance QualityScore as of June 2, 2017 is 7. The pillar scores are Audit: 2; Board: 6; Shareholder Rights: 5; Compensation: 9.

Corporate governance scores courtesy of Institutional Shareholder Services (ISS). Scores indicate decile rank relative to index or region. A decile score of 1 indicates lower governance risk, while a 10 indicates higher governance risk.