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Alpha Omega's Overview

Total employees560
HeadquartersSunnyvale
Founded1993

Alpha and Omega Semiconductor (AOS) is a global leader in the design, development, and supply of a wide portfolio of power semiconductor solutions. Specializing in power MOSFETs, IGBTs, and power ICs, AOS serves diverse markets including computing, consumer electronics, telecommunications, automotive, and industrial. The company focuses on delivering innovative and energy-efficient products that enhance performance and reliability in modern electronic devices. AOS is committed to research and development to meet the evolving demands of the power electronics industry.

Where is Alpha Omega's Headquarters?

HQ Function

The Sunnyvale headquarters serves as the central hub for corporate leadership, strategic decision-making, global marketing, finance, and overarching R&D strategy. It coordinates activities across AOS's worldwide operations.

Notable Features:

The headquarters features contemporary office spaces and likely includes lab facilities for research and development, designed to foster innovation and collaboration among engineering teams.

Work Culture:

A dynamic and fast-paced environment focused on engineering excellence, innovation in power semiconductor technology, and collaborative problem-solving. Employees engage in cutting-edge research and product development within a global team structure.

HQ Significance:

Proximity to a rich talent pool of engineers and tech professionals, close to key partners and customers in the electronics industry, and a central point for global strategy formulation and execution in the competitive semiconductor market.

Values Reflected in HQ: The headquarters' location in Silicon Valley and its modern facilities reflect AOS's commitment to innovation, technological leadership, engineering excellence, and a strong presence in the global semiconductor market.

Location:

Alpha and Omega Semiconductor operates globally with a significant presence across North America, Asia, and Europe. Key functions supported globally include research and development in multiple design centers (USA, China, Taiwan, Korea), wafer fabrication (primarily through a joint venture in Oregon and foundry partners), assembly and testing facilities (mainly in Asia), sales and marketing offices, and customer application support centers strategically located to serve its worldwide customer base effectively.

Street Address:

475 Oakmead Parkway

City:

Sunnyvale

State/Province:

CA

Country:

USA

Alpha Omega's Global Presence

Shanghai, China

Address: Building A, Pacific Antai Center, No.399 Ningqiao Road, Pudong New Area, Shanghai, P.R.C. 201206

Strategically positioned to support the vast electronics manufacturing ecosystem in China and the broader Asian region, facilitating close collaboration with key customers and partners in consumer electronics, computing, and industrial sectors.

Hillsboro, Oregon, USA

Address: 2400 NE Stucki Ave, Suite 250, Hillsboro, OR 97124, USA

Enhances AOS's research and development capabilities in North America, driving innovation in areas such as power efficiency and device performance for next-generation applications.

Taipei, Taiwan

Address: 12F-2, No. 1, Taiyuan 1st St., Zhubei City, Hsinchu County 302, Taiwan (R.O.C.)

Facilitates engagement with Taiwan's significant foundry partners, ODMs, and OEMs, crucial for AOS's supply chain management and market penetration in high-volume electronics manufacturing.

Buying Intent Signals for Alpha Omega

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Alpha Omega

As of April 2025, Alpha Omega' leadership includes:

Mike F. Chang, Ph.D. - Chairman and Chief Executive Officer
Yueh-Se Ho, Ph.D. - Chief Operating Officer
Stephen Chang - President
Wenjun Li - Chief Financial Officer and Corporate Secretary
Daniel Kuang Chang - Chief Strategy Officer and Corporate SVP of Business Development

Investors of Alpha Omega

Alpha Omega has been backed by several prominent investors over the years, including:

BlackRock Inc.
Vanguard Group, Inc.
Dimensional Fund Advisors LP
Geode Capital Management, LLC
State Street Corporation

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits1

Over the past year, Alpha and Omega Semiconductor experienced a key leadership transition in its finance department. Wenjun Li was appointed as the new Chief Financial Officer in November 2023, following the retirement of Yifan Liang.

Departures

Yifan Liang, Yifan Liang retired as Chief Financial Officer, concluding his distinguished career at Alpha and Omega Semiconductor.

New Appointments:

Wenjun Li, Wenjun Li joined Alpha and Omega Semiconductor as the new Chief Financial Officer, responsible for overseeing the company's global financial operations and strategy.

Technology (Tech Stack) used by Alpha Omega

Discover the tools Alpha Omega uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Alpha Omega Email Formats and Examples

Alpha and Omega Semiconductor typically uses standard corporate email formats. The most commonly observed patterns are [first_initial][last]@alphaandomega.com (e.g., jsmith@alphaandomega.com) and occasionally [first].[last]@alphaandomega.com (e.g., john.smith@alphaandomega.com). Variations may exist based on employee preference or department.

[first_initial][last]@alphaandomega.com

Format

mchang@alphaandomega.com

Example

85%

Success rate

News and media

Yahoo Finance / AOS Press ReleaseMay 9, 2024

Alpha and Omega Semiconductor Announces Financial Results for Fiscal Third Quarter 2024 Ended March 31, 2024

AOS reported revenues of $130.0 million for the fiscal Q3 2024, with a GAAP gross margin of 21.9% and GAAP net loss per share of $0.59. The company provided financial guidance for the upcoming quarter....more

Yahoo Finance / AOS Press ReleaseFebruary 8, 2024

Alpha and Omega Semiconductor Announces Financial Results for Fiscal Second Quarter 2024 Ended December 31, 2023

AOS announced fiscal Q2 2024 revenues of $160.1 million, a GAAP gross margin of 25.7%, and a GAAP net loss per share of $0.08. The results reflected market conditions and ongoing strategic initiatives....more

Business Wire / AOS Press ReleaseNovember 6, 2023

Alpha and Omega Semiconductor Appoints Wenjun Li as Chief Financial Officer

Alpha and Omega Semiconductor announced the appointment of Ms. Wenjun Li as its new Chief Financial Officer and Corporate Secretary, effective November 6, 2023. Ms. Li succeeded Mr. Yifan Liang, who retired....more

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