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Jeff Sum Email & Phone Number
Senior Associate (Tax and Trade)
at
Wong & Partners, a member firm of Baker McKenzie International
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✓ Verified August 2026
3 data sources
Profile completeness 86%
Current company
Role
Senior Associate (Tax and Trade)
Location
Federal Territory of Kuala Lumpur, Malaysia
Company size
Who is Jeff Sum? Overview
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Quick answer
Jeff Sum is listed as Senior Associate (Tax and Trade) at Wong & Partners, a member firm of Baker McKenzie International, a with 253 employees, based in Federal Territory of Kuala Lumpur, Malaysia. AeroLeads shows a matched LinkedIn profile for Jeff Sum.
Jeff Sum previously worked as Senior Associate at Wong & Partners, A Member Firm Of Baker Mckenzie International and Tax Associate at Wong & Partners, A Member Firm Of Baker Mckenzie International. Jeff Sum holds Bachelor Of Laws - Llb, Law, 2:1 (69%) from University Of Liverpool.
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Wong & Partners, a member firm of Baker McKenzie International
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Profile bio
About Jeff Sum
Jeff is a tax lawyer in the Tax, Trade and Wealth Management Practice Group at Wong & Partners. He focuses on all aspects of tax and customs disputes and regularly represents clients at all levels of the national Courts, particularly in the areas of manufacturing, construction, distribution, wholesale and retail. He regularly advises on Malaysian tax, customs and trade issues such as income tax, transfer pricing, withholding tax, RPGT, stamp duty, SST, customs duties, excise, trade remedies and assisted various clients in negotiating and obtaining tax incentives and exemptions.
Current workplace
Jeff Sum's current company
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Wong & Partners, A Member Firm Of Baker Mckenzie International
7 roles
Jeff Sum work experience
A career timeline built from the work history available for this profile.
Senior Associate
Current
Jul 2024 - Present
Tax Associate
Focuses on tax disputes, audits and investigations. Advises and represents clients before the national courts and tax tribunals on all areas of tax, including income tax, indirect tax, RPGT, stamp duty, tax incentives and transfer pricing.
Dec 2020 - May 2024
Oct 2018 - Mar 2020
Pupil-In-Chambers
Worked in Skrine's Dispute Resolution and Corporate Divisions.Dispute ResolutionDealt with civil fraud, commercial, banking and land disputes: global tax haven fraud, breach of loan agreements, debt recovery, distress action, foreclosure proceedings, liquidation and receivership. CorporateDealt with corporate real estate matters: conveyancing fraud, asset sale agreements, sale and purchase, tenancy and lease, strata management, trusts and probates.
Nov 2017 - Aug 2018
Legal Trainee
Gained practical and hands-on exposure on areas of civil litigation, construction law and conveyancing matters under the tutelage of the three partners of the firm. Worked on legal drafting, research and grasped the basics of the civil process. Work-shadowed partners for proceedings at all levels of the Malaysian Courts.
Aug 2016 - Oct 2016
Business Development Executive
Glow Exhibition Management Sdn. Bhd.
Networked and collaborated with clients and suppliers to organise large-scale exhibitions in Putra World Trade Convention Centre. Pitched for the sale of event booths to potential clients and also handled administrative tasks for the company.
Jul 2015 - Aug 2015
Team & coworkers
Colleagues at Wong & Partners, a member firm of Baker McKenzie International
Other employees you can reach at wongpartners.com. View company contacts for 253 employees →
AS
Ain Syaqilla Hamid
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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CC
Chong Chen
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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MV
Matthew Vinod Menon
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalAmpang, Selangor, Malaysia
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NI
Nur Izzahtul Diyanah Mohd Daud
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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SH
Siti Hajar Azizulkhairiri
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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JL
Joanne Lim
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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EF
Erna Farhana Hamzah
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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AK
Adrian Koh (高辉煌）
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalFederal Territory Of Kuala Lumpur, Malaysia
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EH
Eng Hong Keoy
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKlang, Selangor, Malaysia
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YL
Yen Ling Wong
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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Ain Syaqilla Hamid
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
View →
CC
Chong Chen
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
View →
MV
Matthew Vinod Menon
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalAmpang, Selangor, Malaysia
View →
NI
Nur Izzahtul Diyanah Mohd Daud
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
View →
SH
Siti Hajar Azizulkhairiri
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
View →
JL
Joanne Lim
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalWp. Kuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
View →
EF
Erna Farhana Hamzah
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
View →
AK
Adrian Koh (高辉煌）
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalFederal Territory Of Kuala Lumpur, Malaysia
View →
EH
Eng Hong Keoy
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKlang, Selangor, Malaysia
View →
YL
Yen Ling Wong
Colleague at Wong & Partners, A Member Firm Of Baker Mckenzie InternationalKuala Lumpur, Federal Territory Of Kuala Lumpur, Malaysia
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4 education records
Jeff Sum education
Bachelor Of Laws - Llb, Law, 2:1 (69%)
Certificate Of Legal Practice, Won The Tun Hamid Omar Award For Best Overall Student For 2017.
South Australian Matriculation, Pre-University, 92 Atar In The South Australian Certificate Of Education (Sace) Examinations
High School/Secondary Diplomas And Certificates, 10A+ In The Spm Examinations
Smk Seri Bintang Utara
FAQ
Frequently asked questions about Jeff Sum
Quick answers generated from the profile data available on this page.
What company does Jeff Sum work for?
Jeff Sum works for Wong & Partners, a member firm of Baker McKenzie International.
What is Jeff Sum's role at Wong & Partners, a member firm of Baker McKenzie International?
Jeff Sum is listed as Senior Associate (Tax and Trade) at Wong & Partners, a member firm of Baker McKenzie International.
Where is Jeff Sum based?
Jeff Sum is based in Federal Territory of Kuala Lumpur, Malaysia while working with Wong & Partners, a member firm of Baker McKenzie International.
What companies has Jeff Sum worked for?
Jeff Sum has worked for Wong & Partners, A Member Firm Of Baker Mckenzie International, Skrine, Malek, Paulian & Gan, Advocates & Solicitors, and Glow Exhibition Management Sdn. Bhd..
Who are Jeff Sum's colleagues at Wong & Partners, a member firm of Baker McKenzie International?
Jeff Sum's colleagues at Wong & Partners, a member firm of Baker McKenzie International include Ain Syaqilla Hamid, Chong Chen, Matthew Vinod Menon, Nur Izzahtul Diyanah Mohd Daud, and Siti Hajar Azizulkhairiri.
How can I contact Jeff Sum?
You can use AeroLeads to view verified contact signals for Jeff Sum at Wong & Partners, a member firm of Baker McKenzie International, including work email, phone, and LinkedIn data when available.
What schools did Jeff Sum attend?
Jeff Sum holds Bachelor Of Laws - Llb, Law, 2:1 (69%) from University Of Liverpool.
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