William Kosim
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William Kosim Email & Phone Number

CEO Office Analyst | Ex- Pricing Actuary at Sinarmas Mining
Location: Jakarta, Indonesia, Indonesia 5 work roles 1 school
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✓ Verified May 2026 3 data sources Profile completeness 86%

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Current company
Role
CEO Office Analyst | Ex- Pricing Actuary
Location
Jakarta, Indonesia, Indonesia
Company size

Who is William Kosim? Overview

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Quick answer

William Kosim is listed as CEO Office Analyst | Ex- Pricing Actuary at Sinarmas Mining, a company with 426 employees, based in Jakarta, Indonesia, Indonesia. AeroLeads shows a matched LinkedIn profile for William Kosim.

William Kosim previously worked as Financial Analyst Development Program | CEO Office at Sinarmas Mining and Pricing Actuary at Fwd Insurance. William Kosim holds Bachelor Of Science - Bs, Actuarial Science from Heriot-Watt University Malaysia.

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Email format at Sinarmas Mining

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Sinarmas Mining

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Profile bio

About William Kosim

As a junior analyst with a proven track record in delivering high-value projects in the financial services and petrochemical sectors, I excel at driving operational excellence and strategic transformation. My expertise spans financial analysis, business process optimization, strategic planning, and project management, all underpinned by a solid foundation in actuarial science.Career highlights include:- Identifying and implementing strategies that uncovered +- $10,000 in cost-saving opportunities through strategic resource utilization and procurement process optimization.- Enhancing telemarketing team productivity and increasing the Call Success Rate (CSR) by 9% through effective customer database management and strategic pipeline redirection.- Playing a pivotal role in coordinating a high-level executive visit for Hyundai, which underscored my project management office (PMO) capabilities and communication skills, fostering international collaborations.- Contributing to the revamp of unit-linked products and premium pricing strategies, leveraging my actuarial skills to navigate complex regulatory landscapes and secure competitive market positioning.Holding a B.Sc. (Hons) in Actuarial Science from Heriot-Watt University, I possess advanced skills in financial analysis, data visualization (Power BI), and stakeholder management. I am driven by a passion for leveraging data-driven insights to address business challenges, combining analytical rigor with strategic vision to produce actionable solutions that promote sustainable growth.I seek to connect with professionals and organizations where I can apply my expertise to foster innovation, operational efficiency, and strategic success.Let's discuss how we can achieve transformative outcomes together. Contact me at williamkosim66@gmail.com

Current workplace

William Kosim's current company

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Sinarmas Mining
Sinarmas Mining
CEO Office Analyst | Ex- Pricing Actuary
jakarta, jakarta raya, indonesia
Employees
426
AeroLeads page
5 roles

William Kosim work experience

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Financial Analyst Development Program | Ceo Office

Current
Sep 2022 - Present

Pricing Actuary

Jakarta, Indonesia

- Assisted the development and priced new life insurance products, including FWD Critical First Protection- Contributed to Actuarial Modernization efforts by enhancing the creation of Model Point Files (MPF) and Sales Illustration through the utilization of Excel and Visual Basic (VBA) Macro- Provided premium calculation for Group Medical Life “Bebas.

May 2022 - Aug 2022

Product Development Intern

Malaysia

Jul 2021 - Dec 2021

Senior Executive In Partnership Development

Aiesec In Heriot-Watt University Malaysia
Mar 2020 - Sep 2020

Junior Executive In Partnership Development

Aiesec In Heriot-Watt University Malaysia
Jan 2020 - Mar 2020
Team & coworkers

Colleagues at Sinarmas Mining

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1 education record

William Kosim education

FAQ

Frequently asked questions about William Kosim

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What company does William Kosim work for?

William Kosim works for Sinarmas Mining.

What is William Kosim's role at Sinarmas Mining?

William Kosim is listed as CEO Office Analyst | Ex- Pricing Actuary at Sinarmas Mining.

Where is William Kosim based?

William Kosim is based in Jakarta, Indonesia, Indonesia while working with Sinarmas Mining.

What companies has William Kosim worked for?

William Kosim has worked for Sinarmas Mining, Fwd Insurance, Policystreet, and Aiesec In Heriot-Watt University Malaysia.

Who are William Kosim's colleagues at Sinarmas Mining?

William Kosim's colleagues at Sinarmas Mining include X Ridwan X, Rangga Dwinata, Fitrah Fiddiansyah, Kazuya Arai, and Gautama Prawira.

How can I contact William Kosim?

You can use AeroLeads to view verified contact signals for William Kosim at Sinarmas Mining, including work email, phone, and LinkedIn data when available.

What schools did William Kosim attend?

William Kosim holds Bachelor Of Science - Bs, Actuarial Science from Heriot-Watt University Malaysia.

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