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Tom Chavez and Krux: a Great Outcome, an Even Richer Journey
Talks about Venture Capital, Startups and Krux
AR
Alexander Rosen
Managing Partner at Ridge Ventures
San Francisco, California
Overview
Alexander Rosen is a Managing Partner and Co-Founder at Ridge Ventures, with a successful track record of investing in over 70 founder-led software companies, leading to 25 exits and 7 unicorns totaling $38B in exit value. He has made impactful investments in companies like SafeGraph, Braze, and Fastly, showcasing his expertise in early-stage technology investments and strategic partnerships.
Rosen's career highlights include serving on the board of various successful companies such as SafeGraph, WorkTango Inc., and Uplift Inc., as well as investing in high-growth companies like OfferFit, Trifacta, and Fastly, demonstrating his strong leadership in the venture capital space and his ability to identify and support innovative startups.
Work Experience
Managing Partner and Co-Founder
2006 - Current
GSB Trust Board Member. Chair, Venture Fund Group
2017
Board Observer
2023
Loved working the George and Victor and introducing them to F500 customers. In March 2025 OfferFit announced it plans to be acquired by Braze for $325 million.
We are an automated experimentation platform that makes A/B testing obsolete.
Raised $39,000,000.00 from Capital One, Canvas Ventures, Ridge Ventures, Burst Capital, Carbide Ventures, Harmony Partners, Alumni Ventures, Menlo Ventures and Capital One Ventures.
Board Observer
2020
Invested in Series A
Ontic provides People Safe and Making Organizations Stronger.
Raised $56,650,000.00 from Ridge Ventures, Felicis, JMI Equity and Silverton Partners.
Seed Investor
2020
Committed first (sadly not big enough) check into the seed round.
Horizon3.ai develops NodeZero which provides an autonomous penetration testing solution that helps customers find and fix attack vectors.
Raised $78,500,000.00 from SignalFire and Craft Ventures.
Seed Investor
2019
I backed Chris Turlica in every round of MaintainX starting with seed.
MaintainX is a provider of a work order and procedure digitization platform for industrial and frontline teams.
Raised $103,800,000.00 from Jeff Lawson, Ridge Ventures, August Capital, Rob Bernshteyn, Chris Comparato, Amity Ventures, Bain Capital Ventures, Allison Pickens, Bessemer Venture Partners and Jeff Immelt.
Board Member
2017
SafeGraph builds and maintains data sets to help accelerate machine learning and AI.
Raised $61,000,000.00 from Akkadian Ventures.
Investor
2012
ThirdLove is a women’s lifestyle brand that offers a range of lingerie and underwear.
Raised $80,600,000.00 from Second Avenue Capital Partners.
Board Member
2013 - 2023
Board Member
2008 - 2023
I met Mariam during her days running Eve.com. We got to know each other in subsequent years, I led the Series A in 2008, and was the only VC on the board until 2011. The company has grown much larger than any of us anticipated, and the best is yet to come.
Minted is a design marketplace that connects users with artists to help them create something one-of-a-kind.
Raised $297,100,000.00 from T. Rowe Price and Permira.