![Tun Hsing Yu](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Tun Hsing Yu
Director/Board Member at
MACRONIX INTERNATIONAL CO., LTD.
Net worth: 31 M $ as of 31/07/2026
Profile
Tun Hsing Yu was the founder of Dynasty Technology, Inc., founded in 1987, and served as President from 1987 to 1990.
Current jobs include Director, Chief Marketing Officer & Senior VP at Macronix International Co., Ltd. since 2007; Independent Director at Chipbond Technology Corp.
since 2020; Director at Macronix America, Inc.; Director at Modiotek Co. Ltd. since 2014; Director at Mxtran, Inc.; and Director at MegaChips Taiwan Corp.
since 2013.
Former jobs include Outside Director at MegaChips Corp.
from 2013 to 2019; President & Director at Infomax Communication Co., Ltd. from 2007 to 2017; Director at Infomax System Solutions & Services Co. Ltd. from 2016 to 2017; Independent Director at SiTime Corp.
from 2019 to 2025; Manager-Section Design at VLSI Technology, Inc. from 1982 to 1984; and Manager-Memory Design at Modular Semiconductor, Inc. from 1984 to 1985.
Education includes graduate degree from the University of California, Berkeley in 1978 and undergraduate degree from National Taiwan University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 28/02/2025 | 66,81,322 ( 0.34% ) | 21 M $ | 31/07/2026 | |
SITIME CORPORATION 0.07% | 02/06/2025 | 19,790 ( 0.07% ) | 11 M $ | 31/07/2026 |
Tun Hsing Yu active positions
| Companies | Position | Start |
|---|---|---|
| MACRONIX INTERNATIONAL CO., LTD. | Director/Board Member | 01/01/2007 |
| CHIPBOND TECHNOLOGY CORPORATION | Director/Board Member | 03/12/2020 |
Modiotek Co. Ltd. | Director/Board Member | 01/05/2014 |
MegaChips Taiwan Corp.
 MegaChips Taiwan Corp. Electronic Production EquipmentElectronic Technology Manufactures electronic devices | Director/Board Member | 01/08/2013 |
Macronix America, Inc.
 Macronix America, Inc. Electronics DistributorsDistribution Services Distributes semiconductor devices | Director/Board Member | - |
Mxtran, Inc. | Director/Board Member | - |
Former positions of Tun Hsing Yu
| Companies | Position | End |
|---|---|---|
| SITIME CORPORATION | Director/Board Member | 16/10/2025 |
| MEGACHIPS CORPORATION | Director/Board Member | 01/01/2019 |
Infomax System Solutions & Services Co. Ltd. | Director/Board Member | 01/03/2017 |
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Training of Tun Hsing Yu
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
58
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
VLSI Technology, Inc.
 VLSI Technology, Inc. SemiconductorsElectronic Technology Manufactures integrated circuits | Electronic Technology |
Macronix International Co., Ltd.
 Macronix International Co., Ltd. SemiconductorsElectronic Technology Designs and manufactures computer memory chips and microcontrollers | Electronic Technology |
MegaChips Corp.
 MegaChips Corp. Electronic ComponentsElectronic Technology Develops and sells system LSI for computer game and mobile phone | Electronic Technology |
Chipbond Technology Corp.
 Chipbond Technology Corp. SemiconductorsElectronic Technology Manufactures and distributes wafer bumps, chips, and other electronic components | Electronic Technology |
University of California, Berkeley
 University of California, Berkeley Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
National Taiwan University
 National Taiwan University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Macronix America, Inc.
Macronix America, Inc. Electronics DistributorsDistribution Services Distributes semiconductor devices | Distribution Services |
SiTime Corp.
 SiTime Corp. SemiconductorsElectronic Technology Develops and manufactures analog semiconductors | Electronic Technology |
Modular Semiconductor, Inc. | |
Modiotek Co. Ltd. | |
Infomax Communication Co., Ltd. | |
Mxtran, Inc. | |
Infomax System Solutions & Services Co. Ltd. | |
MegaChips Taiwan Corp.
MegaChips Taiwan Corp. Electronic Production EquipmentElectronic Technology Manufactures electronic devices | Electronic Technology |
Dynasty Technology, Inc. |
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