Tong Sun works as a Director, APAC Dynamics 365 Support at Microsoft. The firm's known portfolio counts 10 companies.
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Investment focus
Contacts
Affiliated funds' portfolios
Director, APAC Dynamics 365 Support at Microsoft, whose known portfolio counts 10 companies
- Anthropic
- OpenAI
- Wayve
- Alpha-Omega
- Linux Foundation
- Open Source Security Foundation
- Photonic
- Apployd
- Softquantus
- datadock.ai
Investor Profile
The listing covers sectors AI, Hardware and SaaS, and focus areas AI Infrastructure, Autonomous Vehicles, Cloud Infrastructure and Cybersecurity. Startups operating in these areas may find Tong Sun relevant.
Stage-wise, the deals at Microsoft cluster around Growth and Seed rounds.
The firm portfolio and the focus above give founders context on whether Tong Sun matches their raise.
Colleagues at Microsoft
Showing 20 of 109
Ashish Chhabria
Product
Seattle, United States
Daniel Firestone
Vice President
Seattle, United States
Aheel Khan
Recruiter
San Leandro, United States
Shane Jones
AI Engineering Leader
Bellevue, United States
Deepak Menon
Vice President
Hyderabad, India
Bill Gates
Co-founder
Seattle, United States
Satya Nadella
Chairman and CEO
Redmond, United States
Curtis Lee
Vice President of Products
New York, United States
Dan Lewis
Corporate Vice President
Seattle, United States
Chris DiBona
Vice President
Seattle, United States
Mustafa Suleyman
CEO
Redmond, United States
Dorota Zimnoch
Chief AI and Innovation Strategist & C-Suite Advisor
London, United Kingdom
Ryan Roslansky
Executive Vice President
San Francisco, United States
Ann Johnson
Technology Executive
Seattle, United States
Asad Irshad
Global Product Leader
Bellevue, United States
Devang Patel
Investor
Cupertino, United States
Ryan Cooper
Corporate Development Director
Seattle, United States
Gordon Bell
Researcher Emeritus (ret)
San Francisco, United States
Dave Hodson
Board Member
Palo Alto, United States
Dave Brown
Investor
San Francisco, United States
Frequently asked questions
Who is Tong Sun?
Tong Sun is a corporate venture investor based in Tokyo, Japan, listed as Director, APAC Dynamics 365 Support at Microsoft. The known portfolio of that firm counts 10 companies. That portfolio belongs to the firm, not to Tong Sun personally.
What does Tong Sun invest in?
Listed sectors include AI, Hardware and SaaS; listed focus areas include AI Infrastructure, Autonomous Vehicles, Cloud Infrastructure and Cybersecurity. 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 Tong Sun invest at?
Microsoft appears in Growth and Seed rounds across its known deals, and Tong Sun is listed there as Director, APAC Dynamics 365 Support. 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 Tong Sun listed at?
Tong Sun is listed as Director, APAC Dynamics 365 Support at Microsoft. 109 other people in the database share a firm with Tong Sun.
How do I contact Tong Sun?
An email address and a LinkedIn page are on file for Tong Sun. The address stays masked on this page and is readable inside RaiseHunt after you create an account. The database holds no phone number for this profile.
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Data: RaiseHunt investor dataset · Snapshot 6 September 2026 · How this data is built · Report a correction or request removal