Commissioner
Current
Pt Wintermar Offshore Marine Tbk
May 2017 - Present
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John Slack Email & Phone Number
Commissioner
at
PT Wintermar Offshore Marine Tbk
1 work email found
@wintermar.com
LinkedIn matched
✓ Verified Jun 2026
4 data sources
Profile completeness 100%
Current company
PT Wintermar Offshore Marine Tbk
Role
Commissioner
Location
Jakarta, Jakarta, Indonesia
Who is John Slack? Overview
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Quick answer
John Slack is listed as Commissioner at PT Wintermar Offshore Marine Tbk, based in Jakarta, Jakarta, Indonesia. AeroLeads shows a work email signal at wintermar.com and a matched LinkedIn profile for John Slack.
John Slack previously worked as Strategy Director at Pt Wintermar Offshore Marine Tbk and Member of Special Advisory Board Indonesia at Institute Of Chartered Accountants In England And Wales. John Slack holds Fca, Chartered Accountancy from Institute Of Chartered Accountants In England And Wales.
Company email context
Email format at PT Wintermar Offshore Marine Tbk
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{first}.{last}@wintermar.com
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Profile bio
About John Slack
John Slack is a Commissioner at PT Wintermar Offshore Marine Tbk. He possess expertise in business planning, budgets, financial analysis, finance, business strategy and 35 more skills. He is proficient in Bahasa Indonesia.
Listed skills include Business Planning, Budgets, Financial Analysis, Finance, and 36 others.
Current workplace
John Slack's current company
Company context helps verify the profile and gives searchers a useful next step.
Pt Wintermar Offshore Marine Tbk
15 roles
John Slack work experience
A career timeline built from the work history available for this profile.
Strategy Director
Pt Wintermar Offshore Marine Tbk
WINS is one of the largest National Companies as owner and operator of around 45 offshore support vessels providing services to oil and gas companies in Indonesia
Mar 2013 - May 2017
Member Of Special Advisory Board Indonesia
Jan 2017 - Oct 2023
President Commissioner
Jun 2020 - Jun 2023
Commissioner And Chair Of Audit Committee
JSI owns residential and commercial property in Jakarta and throughout Indonesia. Its hotel division includes Andaz Sanur, Grand Hyatt Nusa Dua, Hyatt Regency Sanur and Grand Hyatt Jogjakarta as well as a number of hotels in Jakarta. Latest projects include One Satrio Retail complex in Central Jakarta, a major real estate development South of Medan and a 3.
Oct 2011 - Oct 2021
Vice President Director
Shareholder representative on the Board of the largest coal mining company in Indonesia with majority interests in Arutmin and KPC.
May 2012 - Feb 2013
Business Director
The British International School
Responsible for all operations, capital projects and treasury. Strategic planning and regulatory issues.
Jun 2005 - Oct 2011
Finance Director
Pt Astra International Tbk
Indonesia's largest Company. a diversified group engaged in Automotive, Financial Services, IT, Plantations, Heavy Equipment and Mining Services
Oct 2000 - May 2005
Cfo And Director
East Asia Power/El Paso Energy
Power assets in Philippines and Indonesia
Jun 1996 - Oct 2000
Head Of Asian Business Desk
Kpmg Melbourne
Promoting business linkages between Asian countries and Australia with particular focus on Indonesia. Projects included business planning advice on a National Car Project in Indonesia and a Regional Bank strategy out of Hong kong
Jun 1994 - Jun 1996
Cfo
Standard Chartered Bank-Indonesia
Responsible to the Regional CFO for all budget,finance, ALCO business information and accounting reporting for the Branch and sub-branches in Indonesia. Director of the bank's leasing company.
Feb 1991 - Jun 1994
Finance And Accounting Manager
Kaltim Prima Coal
Feb 1989 - Feb 1991
Cfo
Jan Darmadi Corporation
Jun 1983 - Feb 1989
Senior Manager
Price Waterhouse-Sydney And Jakarta
May 1976 - May 1983
Audit Manager
Helmore Helmore & Co
Sep 1972 - May 1976
3 education records
John Slack education
Fca, Chartered Accountancy
Institute Of Chartered Accountants In England And Wales
Bsc (Chem Eng), Chemical Engineering
University Of Manchester Institute Of Science & Technology
London Se 21
Dulwich College
FAQ
Frequently asked questions about John Slack
Quick answers generated from the profile data available on this page.
What company does John Slack work for?
John Slack works for PT Wintermar Offshore Marine Tbk.
What is John Slack's role at PT Wintermar Offshore Marine Tbk?
John Slack is listed as Commissioner at PT Wintermar Offshore Marine Tbk.
What is John Slack's email address?
AeroLeads has found 1 work email signal at @wintermar.com for John Slack at PT Wintermar Offshore Marine Tbk.
Where is John Slack based?
John Slack is based in Jakarta, Jakarta, Indonesia while working with PT Wintermar Offshore Marine Tbk.
What companies has John Slack worked for?
John Slack has worked for Pt Wintermar Offshore Marine Tbk, Institute Of Chartered Accountants In England And Wales, Pt Jakarta Setiabudi Internasional Tbk, Pt. Bumi Resourcestbk., and The British International School.
How can I contact John Slack?
You can use AeroLeads to view verified contact signals for John Slack at PT Wintermar Offshore Marine Tbk, including work email, phone, and LinkedIn data when available.
What schools did John Slack attend?
John Slack holds Fca, Chartered Accountancy from Institute Of Chartered Accountants In England And Wales.
What skills is John Slack known for?
John Slack is listed with skills including Business Planning, Budgets, Financial Analysis, Finance, Business Strategy, Strategy, Negotiation, and Corporate Finance.
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