Where does In Sik Rhee work?

In Sik Rhee is General Partner at Vertex Ventures and Board director at Experify and Board director at Upsolver Data.

What check size does In Sik Rhee write?

In Sik Rhee typically writes checks of $100K – $15M.

What boards does In Sik Rhee sit on?

In Sik Rhee holds tracked board seats at Evisort Inc., Experify, Upsolver Data.

Where did In Sik Rhee go to school?

In Sik Rhee studied at University of California, Berkeley (EECS, Electrical Engineering and Computer Science).

In Sik Rhee

Investor

General Partner at Vertex Ventures · Board director at Experify · Board director at Upsolver Data

Los Altos, California, United States

Writes $100K – $15M checks

About

Sik Rhee, who co-founded two companies that sold for a combined $1.8B, offers founder-investor perspective and focuses on enterprise infrastructure and data platforms, backing developer-driven founders who've lived the problem.

Contact· published on In's own website

i•••@vvus.comreveal

Invests in

AI & Machine LearningCybersecurityData & InfrastructureDeveloper ToolsSaaS

Board director at Experify

Intro paths

→

In turn, In can intro founders to Experify's investors below.

Experify's investors · 6

Berkeley SkyDeck FundBerkeley · $200K checks · since 2022 Bright Pixel CapitalLisbon · since 2022 Rembrandt Venture PartnersLaramie · since 2022 SICTICZürich · since 2022 Sonae IMPorto Vertex VenturesPalo Alto · $500K – $10M checks · since 2022

Board director at Upsolver Data

Intro paths

→

In turn, In can intro founders to Upsolver Data's investors below.

Upsolver Data's investors · 3

Scale Venture PartnersSan Francisco · $5M – $25M checks Vertex VenturesPalo Alto · $500K – $10M checks · since 2021 WingPalo Alto · $200K – $20M checks

Co-founders at Upsolver Data

Ori RafaelChief Executive Officer and Director of Issuer

Experience

NorthflankBoard Membercurrent2026 — present
SPRXBoard Membercurrent2026 — present
PromptQLBoard Membercurrent2026 — present
Smithsonian Asian Pacific American CenterAdvisory Board Membercurrent2023 — presentWashington, District of Columbia, United States
Vertex Ventures USGeneral Partnercurrent2015 — presentSan Francisco Bay Area
CosmonicBoard Membercurrent2022 — present
CyberhavenBoard Membercurrent2019 — present
TestlioBoard Membercurrent2016 — presentSan Francisco Bay Area
UC BerkeleyAdvisory Board Member, College of Engineeringcurrent2007 — present
Rembrandt Venture PartnersGeneral Partner2009 — 2014
Accel PartnersVenture Partner2006 — 2008
Opsware IncFounder, Chief Tactician2002 — 2006
LoudcloudFounder, Chief Tactician1999 — 2002
AOLCTO, E-Commerce1999
Kiva SoftwareFounder, Architect1996 — 1997

Skills & more

Start-ups57Web Development3SaaS37Enterprise Software34Entrepreneurship45Scalability9Cloud Computing35E-commerce43Strategic Partnerships43Venture Capital69Product Management13PaaS3

+12 more

Competitive AnalysisGo-to-market StrategyVirtualizationBusiness StrategyBusiness DevelopmentBig DataMobile DevicesManagementStrategyMobile ApplicationsDistributed SystemsProduct Marketing

From In's professional profile.

Deals · 2

ExperifyBoard seat

via Rembrandt Venture Partners · filed Jan 2022 · $4M raise

Evisort Inc.Board seat

via Vertex Ventures · filed Mar 2021 · $35M raise

Attribution from SEC filings, press coverage, and firm rosters.

Other disclosed investments

Board seats

Upsolver Data

Per SEC Form D filings.

Colleagues at Vertex Ventures

Chase Roberts

Principal at Vertex Ventures Southeast Asia & India

Jonathan Heiliger

General Partner at Vertex Ventures

Megan Reynolds

Principal at Vertex Ventures

Sandeep Bhadra

General Partner at Vertex Ventures

Frequently asked questions

Who is In Sik Rhee?: Sik Rhee, who co-founded two companies that sold for a combined $1.8B, offers founder-investor perspective and focuses on enterprise infrastructure and data platforms, backing developer-driven founders who've lived the problem.
Where does In Sik Rhee work?: In Sik Rhee is General Partner at Vertex Ventures and Board director at Experify and Board director at Upsolver Data.
What does In Sik Rhee invest in?: In Sik Rhee invests in AI & Machine Learning, Cybersecurity, Data & Infrastructure, Developer Tools, SaaS.
What check size does In Sik Rhee write?: In Sik Rhee typically writes checks of $100K – $15M.
What boards does In Sik Rhee sit on?: In Sik Rhee holds tracked board seats at Evisort Inc., Experify, Upsolver Data.
Where did In Sik Rhee go to school?: In Sik Rhee studied at University of California, Berkeley (EECS, Electrical Engineering and Computer Science).