xMEMS
xMEMS develops solid-state MEMS speakers and micro-cooling chips for consumer electronics, with over 300 patents worldwide. The Santa Clara-based semiconductor company has raised $36M and employs 72 people.
The growth story
xMEMS grew from 21 to 72 employees between 2021 and 2026, raising $36M along the way, most recently a Series D in October 2025.
About
xMEMS manufactures micro-electromechanical systems (MEMS) for audio and cooling applications in devices like earbuds, smartwatches, and smartphones. Its products include the first solid-state MEMS speakers and a chip-based cooling fan designed to improve thermal performance in compact electronics.
The company has secured over 300 patents globally, reflecting its focus on innovation in MEMS technology. With $36M in funding and a Series D round planned for late 2025, xMEMS is scaling its operations in the competitive semiconductor manufacturing sector.
Founders and leadership
Engineering is the largest function at xMEMS, with 15 employees dedicated to product development. The company’s leadership team is based in Santa Clara, California, and oversees a workforce of 72.
The xMEMS org chart
Chester Hwang (CTO & GM Taiwan Branch) leads 20 mapped leaders with 15 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew
Headcount by function: Engineering 14 (-18% YoY), Information Technology 13 (+18% YoY), Operations 7 (+17% YoY), Business Development 6 (+100% YoY), Arts and Design 6 (0% YoY), Sales 4 (0% YoY).
Talent flow
xMEMS recruits heavily from TDK InvenSense, with 12 employees previously working there. Other notable talent sources include Marvell Technology and Richtek. Alumni have moved to companies like Apple and Lucid Motors.
Most common previous employers of xMEMS staff: TDK InvenSense (12), Marvell Technology (4), Richtek (3), Broadcom (2), Analog Devices (2), Conexant (2). Former xMEMS employees most often moved to Apple (2), Gatik (1), Morgan's Place (1), Supermicro (1), Delta Sigma Pi (1), Lucid Motors (1).
Alumni worth knowing
Web traffic
Traffic mix: 31% direct, 54% search, 4% social, 1% paid.
What this company is made of
Most common skills at xMEMS: Semiconductor Engineering (22), Integrated Circuits (IC) (16), Cross-functional Team Leadership (15), MEMS (14), Project Management (13), Product Management (12), Product Marketing (12), Failure Analysis (12).
Where the team actually sits
xMEMS people are concentrated in California, United States (10), Taiwan, Taiwan (8), San Francisco Bay Area (7), Taiwan (3).
Search footprint
xMEMS attracts about 212 organic search visits a month, traffic worth roughly $1K a month if bought through ads. It gained 62 ranking keywords and lost 66 in the last period.
What employees say
- Compensation
- 1.50 / 5
- Career opportunities
- 1.00 / 5
- Senior management
- 1.00 / 5
- Work-life balance
- 1.00 / 5
Frequently asked
xMEMS has 72 employees as of September 2026.
xMEMS has raised $36M in total, most recently a Series D round in October 2025.
xMEMS was founded in 2018 by Wei-Fu Hsu.
Chester Hwang (CTO & GM Taiwan Branch) sits at the top of xMEMS's reporting structure, with 15 direct reports.
The most common previous employers of current xMEMS staff are TDK InvenSense (12 people), Marvell Technology (4 people), Richtek (3 people).
Former xMEMS employees most often move to Apple (2), Gatik (1), Morgan's Place (1).
xMEMS attracts about 212 organic search visits a month, worth roughly $1K a month in equivalent ad spend.
The most common skills among xMEMS staff are Semiconductor Engineering, Integrated Circuits (IC), Cross-functional Team Leadership, MEMS, Project Management.
xMEMS staff are concentrated in California, United States (10), Taiwan, Taiwan (8), San Francisco Bay Area (7).
xMEMS has about 14 people in Engineering, down 18% over the past year, as of September 2026.
xMEMS has about 13 people in Information Technology, up 18% over the past year, as of September 2026.
Computed from 42 current and 23 former xMEMS profiles, as of September 2026. Source: Crustdata.
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