Winstem Siregar is an Investor at Telkomsel, whose known portfolio counts 6 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Investor at Telkomsel, whose known portfolio counts 6 companies
- Gojek
- Kredivo
- Kredivo Group
- Bank Bisnis Internasional
- LinkAja
- Lokasoka
Investor Profile
Winstem Siregar is listed against sectors Commerce, Consumer and FinTech, and focus areas Banking, E-Commerce, Embedded Finance and Lending in the database.
Stage-wise, the deals at Telkomsel cluster around Growth, Late-Stage and Seed rounds.
The firm portfolio and the focus above give founders context on whether Winstem Siregar matches their raise.
Colleagues at Telkomsel
Riovaldi Royaldi
Investor
Jakarta, Indonesia
Duto Pratomo
Business Analysis, Equity Investor
Jakarta, Indonesia
Mia Melinda
Investor
Jakarta, Indonesia
Fianita Ariesanti
Investor
Jakarta, Indonesia
Andre Eka S.
Senior Analyst of Strategic Investment
Jakarta, Indonesia
Eggi Ahmad Hidayat
Manager Digital Investment Management di Telkomsel
Jakarta, Indonesia
Givaldi Ramadhan
Strategic Investment and Portfolio Management Manager
Jakarta, Indonesia
Dody Purwanto
Vice President Strategic Investment and Portfolio Management
Jakarta, Indonesia
Fani Pristama
Investor
Jakarta, Indonesia
Frequently asked questions
Who is Winstem Siregar?
Winstem Siregar is a corporate venture investor based in Jakarta, Indonesia, listed as Investor at Telkomsel. The known portfolio of that firm counts 6 companies. That portfolio belongs to the firm, not to Winstem Siregar personally.
What does Winstem Siregar invest in?
Listed sectors include Commerce, Consumer and FinTech; listed focus areas include Banking, E-Commerce, Embedded Finance and Lending. Those tags come from the portfolios of the firms this profile is attached to, so they read as a record of what has been backed rather than a stated preference for what comes next.
What stage does Winstem Siregar invest at?
Telkomsel appears in Growth, Late-Stage and Seed rounds across its known deals, and Winstem Siregar is listed there as Investor. Stage is the strongest single filter when you build a target list: an investor with no record at your stage rarely starts with you.
Which firm is Winstem Siregar listed at?
Winstem Siregar is listed as Investor at Telkomsel. 9 other people in the database share a firm with Winstem Siregar.
How do I contact Winstem Siregar?
An email address, a phone number and a LinkedIn page are on file for Winstem Siregar. The address stays masked on this page and is readable inside RaiseHunt after you create an account.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal