Sam Sun

Active Investor

Angel investor in Toronto

Toronto, Ontario

Sam Sun, Angel investor in Toronto is an active investor based in Toronto, Ontario. This profile covers what Sam Sun backs, at which stage, and how founders can reach out in 2026.

Mr. Sam Hanhui Sun serves as an Independent Director at Yirendai. He has served as an independent director of Yirendai since its IPO. From January 2010 to September 2015, Mr. Sun assumed a couple of positions at Qunar Cayman Islands Limited, a NASDAQ-listed company, including serving as Qunar's president from May 2015 to September 2015 and its chief financial officer from January 2010 to April 2015. Prior to joining Qunar, he was the Chief Financial Officer of KongZhong Corporation, a NASDAQ-listed company, from 2007 to 2009. Mr. Sun was also an independent director and audit committee member of KongZhong Corporation from July 2005 through January 2007. From 2004 to 2007, he served in several financial controller positions at Microsoft China R&D Group, Maersk China Co. Ltd., and SouFun.com. From 1995 to 2004, Mr. Sun worked in KPMG's auditing practice group, including eight years at the Beijing office of KPMG, where he was an audit senior manager, and two years at KPMG in Los Angeles, California. He currently serves as an independent director and audit committee chair of SouFun Holdings Limited, an NYSE-listed company, and an independent director and audit committee chair of China Auto Rental Inc, a Hong Kong Stock Exchange-listed company. He received a B.A. in business administration from Beijing Institute of Technology in 1993. He is a Certified Public Accountant in China.

Investor type
Angel
Stages
Early Stage VentureLate Stage Venture
Invests in
Artificial IntelligencePropTech & Real Estate
Location
Toronto, Ontario
Typical check
$3.8M
Past investments
2

Notable investments

Applied Brain ResearchRequity

How to reach Sam Sun

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About this profile

This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise. How this data is built.

Cite this page

Round Funded. "Sam Sun." Round Funded investor database, updated September 9, 2026.

Stable URL, it will not change: https://www.roundfunded.com/en/investor/sam-sun

Frequently Asked Questions

What does Sam Sun invest in?

Sam Sun invests in Artificial Intelligence and PropTech & Real Estate, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Sam Sun invest at?

Sam Sun typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is Sam Sun's typical check size?

Sam Sun typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.

How do founders reach investors like this?

Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.

What is Round Funded?

Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.

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