Loke Wai San
Non-Executive Chairman; Chairman of the Strategy Committee; Member of the Nominating Committee
The business, the people and the ownership behind AEM SGD.
Business overview
AEM provides semiconductor and electronics test solutions. Its business combines test technologies, research and development, engineering support and customer services across Asia, Europe and the United States.
Listed security
Board & management
Non-Executive Chairman; Chairman of the Strategy Committee; Member of the Nominating Committee
Lead Independent Director; Chairman of the Remuneration Committee; Member of the Audit and Risk Management Committee; Member of the Nominating Committee
Independent Non-Executive Director; Member of the Nominating Committee; Member of the Remuneration Committee; Member of the Strategy Committee
Independent Non-Executive Director; Member of the Strategy Committee
Appointed on 13 May 2025
Board of DirectorsIndependent Non-Executive Director; Chairman of the Audit and Risk Management Committee
Independent Non-Executive Director; Chairman of the Nominating Committee; Member of the Strategy Committee
Non-Independent Non-Executive Director; Member of the Audit and Risk Management Committee; Member of the Strategy Committee
Non-Independent Non-Executive Director; Member of the Nominating Committee; Member of the Remuneration Committee; Member of the Strategy Committee
Chief Executive Officer
Appointed in July 2025 as Chief Executive Officer.
Executive leadership and management team; event as stated in FY2025 management discussionSenior Vice-President, Global Sales
Executive Leadership TeamChief of Staff
Executive Leadership TeamChief Operating Officer
Executive Leadership TeamChief Financial Officer
Executive Leadership TeamAppointed on 2 January 2025 as Group Chief Financial Officer.
Executive leadership and management team; event as stated in FY2025 management discussionGeneral Counsel
Management TeamJoined in January 2025 as General Counsel.
Executive leadership and management team; event as stated in FY2025 management discussionVice-President, Group Head of Human Resources
Management TeamJoined in December 2025 as Vice-President, Group Head of Human Resources.
Executive leadership and management team; event as stated in FY2025 management discussionVice-President, Group Finance
Management TeamVice-President, Operations, CEI
Management TeamVice-President, Global Core Engineering
Management TeamVice-President, Test Solutions
Management TeamRoles listed in Annual Report 2025; current appointments are not independently verified.
Holdings
The Top20 table is headed Twenty Largest Shareholders, dated13March2026. Individual beneficial, registered or depository capacity is not asserted. Director interest rows separately show beginningFY2025, endFY2025 and21January2026; options and performance-share awards are separate securities.
Substantial-shareholder source note, PDFp64: Temasek, Tembusu and Napier are deemed interested in the shares held by Venezio. Venezio is a wholly-owned subsidiary of Napier, which is a wholly-owned subsidiary of Tembusu, which is a wholly-owned subsidiary of Temasek.
Direct interest: 39,012,563 shares (12.40%); deemed interest: – (–)
Substantial shareholders As reported at 2026-03-13Direct interest: – (–); deemed interest: 39,012,563 shares (12.40%)
Substantial shareholders As reported at 2026-03-13Direct interest: – (–); deemed interest: 39,012,563 shares (12.40%)
Substantial shareholders As reported at 2026-03-13Direct interest: – (–); deemed interest: 39,012,563 shares (12.40%)
Substantial shareholders As reported at 2026-03-1320.21%Total interest
12.40%Total interest
10.05%Total interest
5.11%Total interest
4.16%Total interest
3.21%Total interest
2.23%Total interest
1.14%Total interest
1.13%Total interest
1.13%Total interest
1.11%Total interest
1.07%Total interest
1.03%Total interest
1.02%Total interest
0.95%Total interest
0.94%Total interest
0.82%Total interest
0.80%Total interest
0.73%Total interest
0.63%Total interest
ordinary shares, fully paid (direct interest); 832,240; 832,240; 1,656,240
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (deemed interest); 6,897,266; 6,897,266; 6,897,266
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21share options to subscribe for ordinary shares; 824,000; 824,000; –; exercise price: SGD1.142 per share; exercise period: 8 October 2020 to 6 October 2029
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (direct interest); 10,100,000; 10,100,000; 10,100,000
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (deemed interest); 1,208,739; 1,208,739; 1,208,739
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (deemed interest); 530,250; 530,250; 530,250
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (direct interest); 1,102,044; 1,102,044; 1,102,044
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21share options to subscribe for ordinary shares; 676,000; 676,000; 676,000; exercise price: SGD1.142 per share; exercise period: 8 October 2020 to 6 October 2029
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (deemed interest); 5,050; 5,050; 5,050
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21ordinary shares, fully paid (direct interest); 272,700; 272,700; 272,700
Director interest in AEM Holdings Ltd.; columns: start of year, end of year, 21 January 2026 As reported at 2026-01-21–; 1,874,333; (1,874,333); –; –
Director awards during FY2025; components are FY grants, cumulative grants, cumulative vested, cumulative forfeited, outstanding at 31 December 2025 As reported at 2025-12-31–; 25,000; (25,000); –; –
Director awards during FY2025; components are FY grants, cumulative grants, cumulative vested, cumulative forfeited, outstanding at 31 December 2025 As reported at 2025-12-31–; 25,000; (25,000); –; –
Director awards during FY2025; components are FY grants, cumulative grants, cumulative vested, cumulative forfeited, outstanding at 31 December 2025 As reported at 2025-12-31–; 1,063,333; (833,333); (230,000); –
Director awards during FY2025; components are FY grants, cumulative grants, cumulative vested, cumulative forfeited, outstanding at 31 December 2025 As reported at 2025-12-31Total interests include direct and deemed holdings and may overlap across holders. These percentages should not be added together.
Group structure
| Company | Market | Ownership interest |
|---|---|---|
| AEM Singapore Pte. Ltd.Group effective equity; principal place of business / country of incorporation: Singapore; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Singapore; activities: Manufacture and repair of semiconductor assembly and testing equipment (including computer burn-in system); and installation of industrial machinery and equipment, mechanical engineering works; effective equity held by Group: 2025 100%; 2024 100%; Audited by KPMG Singapore. Significant subsidiary as defined under the SGX-ST Listing Manual. | |
| AEM Microtronics (M) Sdn. Bhd.Group effective equity; principal place of business / country of incorporation: Malaysia; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Malaysia; activities: Manufacturing of automated machines and its related parts for semiconductor industry; effective equity held by Group: 2025 100%; 2024 100%; Audited by other member firms of KPMG International. Held by AEM Singapore Pte. Ltd. | |
| AEM International (US) LtdGroup effective equity; principal place of business / country of incorporation: United States of America; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: United States of America; activities: Semiconductor and related device manufacturing; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. Held by AEM Singapore Pte. Ltd. | |
| Tianjin Ever Technologies Co., Ltd.Group effective equity; principal place of business / country of incorporation: People’s Republic of China; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: People’s Republic of China; activities: Inactive; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. Held by AEM Singapore Pte. Ltd. | |
| Afore OyGroup effective equity; principal place of business / country of incorporation: Finland; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Finland; activities: Manufacture and sale of production automation equipment; effective equity held by Group: 2025 100%; 2024 100%; Audited by other member firms of KPMG International. | |
| IRIS Solution Pte LtdGroup effective equity; principal place of business / country of incorporation: Singapore; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Singapore; activities: Research, development, and integration of advance machine vision solutions to manufacturers; effective equity held by Group: 2025 100%; 2024 100%; Audited by KPMG Singapore. | |
| Mu-TESTGroup effective equity; principal place of business / country of incorporation: France; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: France; activities: Design, development, production and marketing of electronic instrumentation devices, physical and electrical measurement devices, and electronic engineering; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. | |
| DB Design Group, Inc.Group effective equity; principal place of business / country of incorporation: United States of America; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: United States of America; activities: Design services and manufacturing of handler change kits, tester interfaces, test handlers and related tooling parts and thermal solutions; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. | |
| AEM Costa Rica LimitedGroup effective equity; principal place of business / country of incorporation: Republic of Costa Rica; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Republic of Costa Rica; activities: Engineering services; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. Held by AEM Singapore Pte. Ltd. | |
| Wavem US Inc.Group effective equity; principal place of business / country of incorporation: United States of America; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: United States of America; activities: Investment holding; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. Held by AEM Singapore Pte. Ltd. | |
| Lattice Innovation, Inc.Group effective equity; principal place of business / country of incorporation: United States of America; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: United States of America; activities: Provider of 3D modules for optimised thermal control applications; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. Held by Wavem US Inc. | |
| CEI Pte. Ltd.Group effective equity; principal place of business / country of incorporation: Singapore; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Singapore; activities: Contract manufacturing and design and manufacture of proprietary equipment; effective equity held by Group: 2025 100%; 2024 100%; Audited by KPMG Singapore. Held by AEM Singapore Pte. Ltd. Significant subsidiary as defined under the SGX-ST Listing Manual. | |
| CEI International Investments Pte LimitedGroup effective equity; principal place of business / country of incorporation: Singapore; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Singapore; activities: Investment holding; effective equity held by Group: 2025 100%; 2024 100%; Audited by KPMG Singapore. Held by CEI Pte. Ltd. | |
| PT Surya Teknologi BatamGroup effective equity; principal place of business / country of incorporation: Indonesia; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Indonesia; activities: Printed circuit board assembly and contract manufacturing; effective equity held by Group: 2025 100%; 2024 100%; Audited by Jamaludin, Ardi, Sukimto & Rekan Held by CEI Pte. Ltd. | |
| CEI International Investments (VN) LimitedGroup effective equity; principal place of business / country of incorporation: Vietnam; columns 2025 then 2024PDF p. 51 | Principal place of business / country of incorporation: Vietnam; activities: Printed circuit board assembly and contract manufacturing; effective equity held by Group: 2025 100%; 2024 100%; Audited by other member firms of KPMG International. Held by CEI International Investments Pte Limited | |
| AEM Americas, Inc.Group effective equity; principal place of business / country of incorporation: United States of America; columns 2025 then 2024PDF p. 52 | Principal place of business / country of incorporation: United States of America; activities: Semiconductor products manufacturing; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. | |
| AEM International (Korea) Ltd.Group effective equity; principal place of business / country of incorporation: Republic of Korea; columns 2025 then 2024PDF p. 52 | Principal place of business / country of incorporation: Republic of Korea; activities: Design and engineering services, and procurement and sale of semiconductor test tools, equipment, and related parts; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. | |
| Nestek Korea Co., Ltd.Group effective equity; principal place of business / country of incorporation: Republic of Korea; columns 2025 then 2024PDF p. 52 | Principal place of business / country of incorporation: Republic of Korea; activities: Manufacturing of testing products for the semiconductor goods and electronic goods industry; effective equity held by Group: 2025 71.1%; 2024 64.9%; Audited by other member firms of KPMG International. Held by AEM Singapore Pte. Ltd. The Group acquired additional 6.2% of the outstanding share capital of Nestek Korea Co., Ltd. in April 2025. | |
| NTP Korea Co., Ltd.Group effective equity; principal place of business / country of incorporation: Republic of Korea; columns 2025 then 2024PDF p. 52 | Principal place of business / country of incorporation: Republic of Korea; activities: Processing and plating of parts of semiconductor components and electronic goods; effective equity held by Group: 2025 71.1%; 2024 64.9%; Audit is not required. Held by Nestek Korea Co., Ltd. | |
| Vina Nestek Co., LtdGroup effective equity; principal place of business / country of incorporation: Vietnam; columns 2025 then 2024PDF p. 52 | Principal place of business / country of incorporation: Vietnam; activities: Producing, processing and assembling of equipment or components for connection and semiconductor components for phones and electronics; effective equity held by Group: 2025 71.1%; 2024 64.9%; Audited by S&S Auditing & Consulting Co., Ltd. Held by Nestek Korea Co., Ltd. | |
| AEM TesTech (Shanghai) Co., LtdGroup effective equity; principal place of business / country of incorporation: People’s Republic of China; columns 2025 then 2024PDF p. 52 | Principal place of business / country of incorporation: People’s Republic of China; activities: Marketing and sale of test solutions and peripheral tools/equipment for the semiconductor industry; effective equity held by Group: 2025 100%; 2024 100%; Audit is not required. | |
| AEM Networks Pte. Ltd.Group effective equity; principal place of business / country of incorporation: Singapore; columns 2025 then 2024; 2024 value printed as dashPDF p. 52 | Principal place of business / country of incorporation: Singapore; activities: Research and experimental development on electronics, and manufacture and repair of engineering and scientifi c instruments; effective equity held by Group: 2025 100%; 2024 –; Held by AEM Singapore Pte. Ltd. Incorporated in December 2025 and auditor is not yet appointed. | |
Ownership interests and geographic information follow the annual report. Comparative years and footnote markers retain the report’s notation.
Senior executives
| Item | Value | Period / scope | Source |
|---|---|---|---|
| Mr. Samer Kabbani | CEO | Chief Executive Officer from 28 July 2025 | PDF p. 27 |
| Mr. Kwek You Cheer | Group Chief Financial Officer | Top five KMP FY2025 | PDF p. 27 |
| Mr. Samir Mowla | Chief of Staff | Top five KMP FY2025 | PDF p. 27 |
| Mr. Mark Yaeger | Senior Vice President, Global Sales | Top five KMP FY2025 | PDF p. 27 |
| Mr. Samson Mah Chang Jun | General Counsel | Top five KMP FY2025 | PDF p. 27 |
Extracted from Annual Report 2025 and checked against the cited pages; see the original report for full context.
Related parties, people & properties
| Item | Value | Period / scope | Source |
|---|---|---|---|
| workforce | 2,288 employees | Group · As at 2025-12-31 | PDF p. 16 |
| Item | Value | Period / scope | Source |
|---|---|---|---|
| Advisory fees paid to directors | – $'000 (as printed in header) | Group, 2025 (2024: 240,000) | PDF p. 59 |
| Key management personnel compensation | 7,438 $'000 | Group, 2025 (2024: 4,731) | PDF p. 59 |
| Directors’ fees | 818 $'000 | Group, 2025 (2024: 811) | PDF p. 59 |
| Item | Value | Period / scope | Source |
|---|---|---|---|
| Directors’ Remuneration Earned in FY2025 - Total | 817,667 S$ | All directors, FY2025 | PDF p. 27 |
| Mr. Loke Wai San | 327,000 S$ | Non-Executive Chairman, FY2025 | PDF p. 27 |
| Mr. James Toh Ban Leng | 92,000 S$ | FY2025 | PDF p. 27 |
| Mr. Loh Kin Wah | 72,000 S$ | FY2025 | PDF p. 27 |
| Mr. Chok Yean Hung | 76,000 S$ | FY2025 | PDF p. 27 |
| Ms Chou Yen Ning @ Alice Lin | 84,000 S$ | FY2025 | PDF p. 27 |
| Mr. Tham Min Yew | 36,000 S$ | FY2025 | PDF p. 27 |
| Mr. André Andonian | 88,000 S$ | FY2025 | PDF p. 27 |
| Dr. Yeo Yee Chia | 42,667 S$ | FY2025 | PDF p. 27 |
Extracted from Annual Report 2025 and checked against the cited pages; see the original report for full context.
Corporate information