Alexander Rosen, Investor at ThirdLove

Alexander Rosen

Investor at Fastly | San Francisco, California, United States

Profile last verified June 2026
Venture Capital & Private Equity Verified Profile San Francisco, California, United States
Verified

Personal Email

***@idgventures.com

Personal • High Confidence

Phone Number

(41*****

United States • Mobile

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Alexander Rosen Socials
Alexander Rosen Work Experience

Board Member at Uplift Inc. in July 2026 - July 2026

Board Member at Minted in July 2026 - July 2026

Board Member at Smartling in July 2026 - July 2026

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Investor at Braze in July 2026 - July 2026

Board Member at Chubbies Shorts in July 2026 - July 2026

Investor and Board Observer at Fastly in July 2026 - July 2026

Board Member at MindMeld in July 2026 - July 2026

Board Member at Krux Digital in July 2026 - July 2026

Board Member at Vidible in July 2026 - July 2026

General Partner at Sprout Group in July 1996 - July 2026

Investor at ThirdLove in July 2026 - Present

Board Member at SafeGraph in July 2026 - Present

Seed Investor at MaintainX in July 2026 - Present

Seed Investor at Horizon3.ai in July 2026 - Present

Board Observer at Ontic in July 2026 - Present

Board Observer at OfferFit in July 2026 - Present

GSB Trust Board Member. Chair, Venture Fund Group at Stanford University Graduate School of Business in July 2026 - Present

Managing Partner and Co-Founder at Ridge Ventures in July 2026 - Present

Junior Associate at General Atlantic Partners in July 1993 - July 1994

Analyst at Credit Suisse in July 1990 - July 1993

Alexander Rosen Skills
SaaS Software E-commerce New Media Internet Services Strategy Entrepreneurship Strategic Partnerships Venture Capital Start-ups Corporate Development Mergers & Acquisitions Product Management Enterprise Software Business Development Angel Investing Mobile Devices Analytics Venture Financing Go-to-market Strategy Private Equity Product Marketing Mobile Applications Digital Media Software as a Service (SaaS)
About Alexander Rosen’s Current Company
Fastly

Founded in 2007, Ridge Ventures is an early stage venture capital fund investing in experienced founders redefining how the world interacts with software. We back companies delivering advanced technologies, new distribution models and incredible user experiences to market. Our approach - fast, flexible and founder-focused - creates the right relationship from the word “go” helping companies become market leaders quickly. Alignment matters. Here’s the proof: Krux, MindMeld, Sapho, Minted, Braze, ThirdLove, Fastly, for starters. Ridge Ventures was formerly IDG Ventures USA. To learn more, visit us at Ridge.VC

Discover more about Fastly
Alexander Rosen’s Colleagues
Yousuf Khan

Yousuf Khan

Los Altos, California, United States

Partner @ Ridge Ventures | Investor, Board Member, Advisor, former CIO and ciso

Advisor at Zoom
(July 2026 – July 2026)

Akriti Dokania

Akriti Dokania

San Francisco, California, United States

Partner at Ridge Ventures - Focused on B2B Enterprise

Board Member at Tato
(Jul 2025 – Present)

Asim Zaheer

Asim Zaheer

Greater Boston

SaaS CMO | Bringing Rigor, Velocity and Scale | GirlDad

I play a role in shaping strategic initiatives while mentoring students and aspiring entrepreneurs. My responsibilities include delivering lectures that bridge theory with practice, guiding students through their academic journeys, and fostering a culture of innovation among y...

Robert Simon

Robert Simon

San Francisco, California, United States

Venture Partner, Ridge Ventures

Venture Partner at Ridge Ventures
(Aug 2025 – Present)

Eliyahou Amsellem

Eliyahou Amsellem

San Francisco, California, United States

Investor @ Ridge Ventures

Investing in Seed - Series A B2B enterprise software companies

Deals:
Prompt Security (Acq. by SentinelOne NYSE:S)
OpenPolicy
BeHeard
BestyAI
Tato (Board Observer)
Arya Health
Flip CX (Board Observer)
Agenthub (YC S25)

David Roman

David Roman

Saratoga, California, United States

Global CMO | Digital Transformation ~ Leading from C-Suite, Driving Innovation, Capturing Imagination

An early-stage venture capital firm that invests in consumer internet and enterprise companies.

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Frequently asked questions about Alexander Rosen

What is Alexander Rosen email address?

Email Alexander Rosen at [email protected], [email protected] and [email protected]. This email is the most updated Alexander Rosen's email found in 2026.

What is Alexander Rosen phone number?

Alexander Rosen phone number is (415) 609-9252.

How to contact Alexander Rosen?

To contact Alexander Rosen send an email to [email protected], [email protected] or [email protected]. If you want to call Alexander Rosen try calling on (415) 609-9252.

What company does Alexander Rosen work for?

Alexander Rosen works for Fastly.

What is Alexander Rosen's role at Fastly?

Alexander Rosen is Investor

What industry does Alexander Rosen work in?

Alexander Rosen works in the Venture Capital & Private Equity industry.

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