Bor-Zen Tien Biography and Net Worth

VP of Taiwan Semiconductor Manufacturing

Mr. B.Z. Tien is Vice President of Advanced Technology Engineering at Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC), having been promoted to senior director of Fab 12B in January 2022. Since joining TSMC in 1998, he has focused on fab operations and the mass production of advanced process technologies.

As the leader of a TSMC GIGAFAB®, Mr. Tien plays a crucial role in the company's manufacturing excellence. Working closely with R&D organizations, he has overseen the mass production of TSMC's advanced logic process technologies, ranging from 28nm down to the leading-edge 2nm. He has made contributions in areas including productivity, quality, cost control, and supply chain management.

Mr. Tien has more than 25 years of semiconductor manufacturing operations experience. He also demonstrates sustainable governance, leading Fab 12B to five consecutive TSMC ESG AWARD for Outstanding Contributions.

Mr. Tien received his Bachelor's and Master's degrees in Electronics Engineering from National Chiao Tung University.

What is Bor-Zen Tien's net worth?: The estimated net worth of Bor-Zen Tien is at least $4.33 million as of May 19th, 2026. Tien owns 11,051 shares of Taiwan Semiconductor Manufacturing stock worth more than $4,331,406 as of May 19th. This net worth estimate does not reflect any other investments that Tien may own. Learn More about Bor-Zen Tien's net worth.
How do I contact Bor-Zen Tien?: The corporate mailing address for Tien and other Taiwan Semiconductor Manufacturing executives is NO. 8 LI-HSIN ROAD 6 SCIENCE-BASED INDUSTRIAL PARK, HSINCHU F5, 300-78. Taiwan Semiconductor Manufacturing can also be reached via phone at (863) 563-6688 and via email at [email protected]. Learn More on Bor-Zen Tien's contact information.
Has Bor-Zen Tien been buying or selling shares of Taiwan Semiconductor Manufacturing?: During the last ninety days, Bor-Zen Tien has bought $139,820.00 in Taiwan Semiconductor Manufacturing stock. Most recently, on Tuesday, May 19th, Bor-Zen Tien bought 2,000 shares of Taiwan Semiconductor Manufacturing stock. The stock was acquired at an average cost of $69.91 per share, with a total value of $139,820.00. Following the completion of the transaction, the vice president now directly owns 11,051 shares of the company's stock, valued at $772,575.41. Learn More on Bor-Zen Tien's trading history.
Who are Taiwan Semiconductor Manufacturing's active insiders?: Taiwan Semiconductor Manufacturing's insider roster includes Richard Cassidy (Sr. VP of Corp. Strategy Office and CEO & Pres of TSMC AZ), Jen-Chau Huang (VP & CFO), Bor-Zen Tien (VP), C. Wei (Vice Chairman & CEO), and Che-Chia Wei (Chairman and Chief Executive Officer). Learn More on Taiwan Semiconductor Manufacturing's active insiders.
Are insiders buying or selling shares of Taiwan Semiconductor Manufacturing?: During the last year, Taiwan Semiconductor Manufacturing insiders bought shares 4 times. They purchased a total of 3,346 shares worth more than $218,005.02. During the last year, insiders at the semiconductor company sold shares 1 times. They sold a total of 200,000 shares worth more than $13,966,000.00. The most recent insider tranaction occured on May, 19th when VP Bor-Zen Tien bought 2,000 shares worth more than $139,820.00. Insiders at Taiwan Semiconductor Manufacturing own 1.1% of the company. Learn More about insider trades at Taiwan Semiconductor Manufacturing.
Information on this page was last updated on 5/19/2026.

Bor-Zen Tien Insider Trading History at Taiwan Semiconductor Manufacturing

Transaction Date	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction	Details
5/19/2026	Buy	2,000	$69.91	$139,820.00	11,051
3/22/2026	Buy	1,000	$55.93	$55,930.00	9,051

Bor-Zen Tien Buying and Selling Activity at Taiwan Semiconductor Manufacturing

Taiwan Semiconductor Manufacturing Company Overview

Taiwan Semiconductor Manufacturing Company Limited, together with its subsidiaries, manufactures, packages, tests, and sells integrated circuits and other semiconductor devices in Taiwan, China, Europe, the Middle East, Africa, Japan, the United States, and internationally. It provides a range of wafer fabrication processes, including processes to manufacture complementary metal- oxide-semiconductor (CMOS) logic, mixed-signal, radio frequency, embedded memory, bipolar CMOS mixed-signal, and others. The company also offers customer and engineering support services; manufactures masks; and invests in technology start-up companies; researches, designs, develops, manufactures, packages, tests, and sells color filters; and provides investment services. Its products are used in high performance computing, smartphones, Internet of things, automotive, and digital consumer electronics. The company was incorporated in 1987 and is headquartered in Hsinchu City, Taiwan.

Today's Range

Now: $392.16

$385.06

$398.88

50 Day Range

MA: $366.23

$316.47

$419.20

2 Week Range

Now: $392.16

$190.03

$421.97

Volume

14,051,788 shs

Average Volume

14,349,098 shs

Market Capitalization

$2.03 trillion

P/E Ratio

32.63

Dividend Yield

0.75%

Beta

1.39