FounderPartners

ActiveVenture Capital

Website LinkedIn

Updated: Jan 22, 2026 ·

Financial History

Total Raised

N/A

Valuation

N/A

Investments Made

Date	Company	Round	Lead Investor(s)	Co-Investor(s)
Sep 1, 2025	Coop Records	$5.0M Seed	—	Roneil Rumburg
Oct 1, 2024	E2B	$12.0M Seed	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Stefan George, Tegan Kline
Jun 1, 2023	Argus Labs	$10.0M Seed	—	2050 Capital, Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Foundation Capital, Gaingels, Jude Gomila Rolling Fund, Northzone, Seed Club Ventures, SID Venture Partners, SNR, Social Capital, The Hit Forge, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Charlie Songhurst, Jeff Hammerbacher, Ken Howery, Nader Al-Naji, Stefan George, Tegan Kline
Jun 1, 2022	Party.Space	$500K Seed	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Stefan George, Tegan Kline
Jun 1, 2022	Comp	$4.0M Seed	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Stefan George, Tegan Kline
Jun 1, 2022	Kairos	$3.0M Seed	—	Accel, AirAngels, Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Freestyle Capital, Intuit Ventures, Kindred Ventures, Lightspeed Venture Partners, Moonfire Ventures, Motier Ventures, Northzone, Not Boring Capital, Redpoint Ventures, Sarona Ventures, Seed Club Ventures, Seven Seven Six, SID Venture Partners, Speedinvest, SRB Ventures, Union Square Ventures, Mason Nystrom, Y Combinator, Aaron Harris, Alexander Salnikov, Baris Gultekin, Charles Gorintin, Claire Hughes Johnson, Gokul Rajaram, Jean Charles Samuelian, Lionel Richie, Mark Pincus, Mathilde Collin, Odell Beckham Jr., Paul George, Riccardo Zacconi, Roxanne Varza, Ryan Shea, Sebastian Knutsson, Stefan George, Tegan Kline, Varsha Rao
May 1, 2022	Encode Club	$5.0M Seed	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Tegan Kline
Apr 1, 2022	Koshex	$2.0M Seed	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Stefan George, Tegan Kline
Mar 1, 2022	Polymer Labs	$4.0M Seed	—	Ambush Capital, Andreessen Horowitz, Animoca Brands, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Wave Financial, Alexander Salnikov, Stefan George, Tegan Kline
Feb 1, 2022	3Box	$30.0M Series A	—	1776, 75 & Sunny, Kevin Hartz, AirAngels, Allegory, Altos Ventures, Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Battery Ventures, BITKRAFT Ventures, Buckley Ventures, Canary Ventures, City Light Capital, Climate Capital, Coatue, CoinFund, Convective Capital, Coughdrop Capital, CRV, Daft Capital, Decibel Partners, Divergence Ventures, Draft Ventures, Dux Capital, Flex Capital, Founders Fund, Framework Ventures, Leslie T., Gerdau Next Ventures, Goat Capital, Graph Ventures, Gutter Capital, Iluminar Ventures, Infinite Niches, Infinity Ventures Crypto, Invariantes Fund, i/o Ventures, Jetstream, KRM Interests LLC, Lampros Capital Partners, Latitud, Logos Labs, Magma Partners, MATR Ventures, MS&AD Ventures, Neu Venture Capital, Northzone, Otherwise Fund, ParaFi Capital, Pareto Holdings, Pioneer Fund, Polychain Capital, Robot Ventures, Sapphire Ventures, Seed Club Ventures, Sequoia Capital, SID Venture Partners, Solana Ventures, SRB Ventures, SV Latam Fund, Symbolic Capital, The Hit Forge, Thirty Five Ventures, Todd and Rahul's Angel Fund, Tokai Ventures, Tribe Capital, True Ventures, Union Square Ventures, Unusual Ventures, Variant, Y Combinator, YOBE Ventures, Ahmed Chaudhary, Alexander Salnikov, Andre Iguodala, Andrew Steinwold, Artia Moghbel, Bob Bickel, Bob Pasker, Bradley Horowitz, Daniel Raynaud, Emily Kramer, Erik Blachford, Greg Isenberg, Jonathan Swanson, Jorge Faraj, Jorge Uribe, Joshua Reeves, Joshua Webster, Julia Hartz, Karl Peterson, Loic Le Meur, Manik Gupta, Manolo Atala, Marc McCabe, Mike Hudack, Ricardo Weder, Russell Smith, Ryan Shea, Sacha Labourey, Sahin Boydas, Sam Corcos, Sam Parr, Santiago Aldana, Scott Belsky, Shayne Coplan, Stani Kulechov, Stefan George, Steve Schlafman, Suhail Doshi, Tegan Kline, Tono Mandly, Tony Sheng, Tyler Scott Ward, Will Szczerbiak, Zachary Sims
Aug 1, 2021	Kiddom	$35.0M Series C	—	75 & Sunny, Kevin Hartz, Altos Ventures, Bonsal Capital, Menlo Ventures, New Markets Venture Partners, Owl Ventures, Reach Capital, Rethink Education, Bob Pasker, Erik Blachford, Julia Hartz, Karl Peterson, Steve Kaufer
Jun 1, 2021	Rarible	$14.0M Series A	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Stefan George, Tegan Kline
Dec 1, 2020	Hidden Door	$2.0M Seed	—	Acequia Capital, AlleyCorp, Amazon Alexa Fund, Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Bling Capital, Bungalow Capital, Canaan Partners, Canary Ventures, Catapult Capital, Change Ventures, CoinFund, Contrarian Ventures, Curated, Decibel Partners, Divergence Ventures, Dreamers VC, Felicis Ventures, FJ Labs, Fuel Capital, Khosla Ventures, L Catterton Growth, Long Journey Ventures, Makers Fund, Moxxie Ventures, Northzone, Pareto Holdings, Polychain Capital, Precursor Ventures, Scribble Ventures, Seed Club Ventures, SID Venture Partners, Sinai Ventures, Tapas Capital, Mike Kerns, Two Small Fish Ventures, Union Square Ventures, Mason Nystrom, Webb Investment Network, Adam Foroughi, Adrian Aoun, Alexander Salnikov, Ameet Ranadive, Bob Young, Bradley Horowitz, Evan Moore, Gokul Rajaram, James Blouzard, Kevin Lin, Kevin Weil, Mantas Mikuckas, Mark Pincus, Markus Villig, Martin Henk, Martin Villig, Ott Kaukver, Pete Koomen, Ragnar Sass, Richard Branson, Rohini Pandhi, Scott Banister, Scott Belsky, Stefan George, Steve Chen, Tegan Kline, Thomas Plantenga, Varsha Rao
Jul 1, 2020	Stack Overflow	$85.0M Series E	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Index Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Spark Capital, The Founder Coach, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Larry Braitman, Lawrence Braitman, Stefan George, Tegan Kline
Mar 1, 2018	Fair	$50.0M Series A	—	75 & Sunny, Kevin Hartz, Altos Ventures, Array Ventures, Coatue, Coelius Capital, Flex Capital, Next47, SignalFire, Bob Pasker, Erik Blachford, Gil Elbaz, Julia Hartz, Karl Peterson
Dec 1, 2016	Tripping.com	$35.0M Series C	—	75 & Sunny, Kevin Hartz, Adams Street Partners, Altos Ventures, Animo Ventures, Bain Capital Ventures, Fifth Wall, Polychain Capital, Ribbit Capital, Sky9 Capital, Summit Partners, Vista Venture Partners, Vouch Insurance, Bob Pasker, Jan Deepen, Julia Hartz, Karl Peterson, Stefan Jeschonnek, Zac Zeitlin
Jul 1, 2015	SHOWBOX	$8.0M Series A	—	75 & Sunny, Kevin Hartz, Altos Ventures, Asymmetric Capital Partners, Adeyemi Ajao, Battery Ventures, Franklin Templeton Investments, Kearny Jackson, NewView Capital, Norwest Venture Partners, Pro Founders Capital, Sequoia Capital, Uncork Capital, Wing Venture Capital, Abrahami Avishai, Alex Kayyal, Bob Pasker, Carlos Domingo, Erik Blachford, Julia Hartz, Mike Hennessey, Oskar Hartmann, Shlomo Kramer
Jul 1, 2015	Tripping.com	$16.0M Series B	—	75 & Sunny, Kevin Hartz, Altos Ventures, Polychain Capital, Sky9 Capital, Bob Pasker, Julia Hartz, Karl Peterson
Apr 1, 2015	Color	$15.0M Series A	—	75 & Sunny, 8-Bit Capital, Kevin Hartz, ACME Capital, Afore Capital, Alsop Louie Partners, Altos Ventures, Alumni Ventures, AME Cloud Ventures, Amplify Partners, Andreessen Horowitz, #ANGELS (Hashtag ANGELS), Arbor Ventures, Autopilot Fund, Bain Capital Ventures, Basis Set Ventures, Benchmark, Big Sky Health, BoxGroup, Builders, C2 Investment, Caffeinated Capital, Casa Verde Capital, Catapult Capital, Cisco Investments, Coelius Capital, Comal Ventures, Company Capital, David Namdar, Craft Ventures, DNX Ventures, Electric Capital, Elevate Ventures, Felicis Ventures, Fifth Wall, First Round Capital, Forefront Venture Partners, Founder Collective, Founders Fund, Goat Capital, Greylock, Hardware Club, Heretic Ventures, Homebrew, Hustle Fund, Ignition Partners, LAUNCH, Lowercarbon Capital, Matrix, Maven Ventures, Morado Venture Partners, Moxxie Ventures, NKM Capital, Nyca Partners, Pareto Holdings, Partners Resolute, PS Investments, Quiet Capital, Redbud VC, RET Ventures, RRE Ventures, Saga, SciFi VC, Sequoia Capital, Signia Venture Partners, Slow Ventures, South Park Commons, Spark Capital, SV Angel, The General Partnership, Thrive Capital, Tribe Capital, Trucks Venture Capital, XFactor Ventures, Y Combinator, Adam Goldstein, Anthony Pompliano, Bob Pasker, Bradley Horowitz, Charlie Feng, Colin Carrier, Emmett Shear, Erik Blachford, Greg Brockman, Jacob Kerzner, Jared Leto, Jeremy Stoppelman, John Collison, Karl Mehta, Karl Peterson, Kenny Van Zant, Laszlo Bock, Mark Pincus, Matt Mazzeo, Michael Abramson, Osama Bedier, Pete Cashmore, Philip Kaplan, Ran Makavy, Sam Altman, Satya Nadella, Scott Belsky, Shervin Pishevar, Tikhon Bernstam, Travis Vanderzanden, Yishan Wong
Jan 1, 2015	Stack Overflow	$40.0M Series D	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Index Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Spark Capital, The Founder Coach, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Larry Braitman, Lawrence Braitman, Stefan George, Tegan Kline
Sep 1, 2014	Reddit	$50.0M Series B	—	1Flourish Capital, 305 Ventures, 75 & Sunny, 9Yards Capital, Abstract Ventures, A Capital, Kevin Hartz, A* Capital (A Star Capital), Accel, Accenture, Acrew Capital, Adverb Ventures, Advisors Fund LLC, Altos Ventures, Alumni Ventures, Amara VC, AME Cloud Ventures, Andreessen Horowitz, Arrive, Atomic, Audrey Capital, Benchstrength, Blitzscaling Ventures, BlueRun Ventures, Bond, Bora&Sons, Brighter Capital, Broadway Angels, C2 Investment, Caffeinated Capital, CapitalG, Casa Verde Capital, Catapult Capital, Coatue, CoinFund, Comal Ventures, Cosmic Venture Partners, Cota Capital, Cowboy Ventures, Craft Ventures, CRV, Daffy, Zachary Bogue, DFJ Growth, Dragoneer Investment Group, Draper Associates, DST Global, Elefund, Evolve VC, ff Venture Capital, First Round Capital, FJ Labs, Flex Capital, Founders Circle Capital, Founders Fund, FPV Fund, General Catalyst, Global Innovation Fund, Goat Capital, M.G. Siegler, Hardware Club, Heretic Ventures, HOF Capital, IDG Ventures, Incite Ventures, Index Ventures, Khosla Ventures, Kleiner Perkins, Koch Fund, KRM Interests LLC, LAUNCH, Lobby Capital, Locus Ventures, LOI Venture, Mayfield, Menlo Ventures, Moonshots Capital, Motier Ventures, Neotribe Ventures, Rick Yang, Scott Sandell, NFX, Offline Ventures, Otherwise Fund, Pear VC, Practical Venture Capital, Pro Founders Capital, QueensBridge Venture Partners, Quiet Capital, Redpoint Ventures, Ribbit Capital, Alexander Rosen, Saga, SciFi VC, Sequoia Capital, Seven Seven Six, Sherpalo Ventures, Sierra Ventures, Slow Ventures, Howard Lindzon, Softbank Group, Sound Ventures, South Park Commons, Spark Capital, Streamlined Ventures, Summit Partners, Susa Ventures, Susquehanna Capital, SV Angel, The Hit Forge, Thrive Capital, Tribe Capital, Uncork Capital, Venture Development Partners, White Star Capital, Y Combinator, ZhenFund, Aaron Levie, Aaron Patzer, Akash Garg, Anil Dharni, Anthony Saleh, Anthony Soohoo, Aston Motes, Bobby Goodlatte, Bob Pasker, Charlie Cheever, Charlie Songhurst, Clara Shih, David Petersen, Dharmesh Shah, Doug Sleeter, Drew Houston, Eric Ries, Erik Blachford, Erik Moore, Greg Kidd, Hiten Shah, James Hong, Jared Leto, Jeffrey Lee, Jeff Seibert, Jeremy Stoppelman, John Collison, Jonathan Boutelle, Josh Silverman, Julia Hartz, Justin Rosenstein, Karl Peterson, Kris Duggan, Larry Augustin, Louis Beryl, Marc Benioff, Marco Zappacosta, Marcus Segal, Matt Cutts, Matt Mazzeo, Matt Mickiewicz, MG Siegler, Narendra Rocherolle, Othman Laraki, Phil Libin, Rick Morrison, Ronny Conway, Russell Fradin, Russ Fradin, Ryan Spoon, Sam Altman, Seth Sternberg, Shervin Pishevar, Tien Tzuo, Tobias Lutke, Todd Corenson, Tom Williams, Wayne Chang, Yajur Sehgal
Aug 1, 2014	Chairish	$5.0M Series A	—	75 & Sunny, A* Capital (A Star Capital), ACME Capital, Amplify Partners, BILL, Caffeinated Capital, Catapult Capital, Coatue, Cota Capital, Craft Ventures, CrunchFund, Early Light Ventures, Felicis Ventures, Gideon Yu, Freestyle Capital, General Atlantic, Haystack, IDG Ventures, Khosla Ventures, Lakestar, Madrona Ventures, Maveron, Norwest Venture Partners, Glenn Solomon, Offline Ventures, Alexander Rosen, Saga, SciFi VC, Seven Seven Six, Marco DeMeireles, TCV, The Hit Forge, Thrive Capital, Tribe Capital, True Ventures, WestRiver Group, Y Combinator, Aaron Levie, Andy Rankin, Barney Harford, Charlie Cheever, Gregg Brockway, Greg Slyngstad, Jeff Bezos, Jeff Seibert, Jeremy Stoppelman, Joe Greenstein, Karim Elsahy, Louis Beryl, Marissa Mayer, Oliver Thylmann, Sam Altman, Shervin Pishevar, Wayne Chang
May 1, 2014	Tripping.com	$7.0M Series A	—	75 & Sunny, Kevin Hartz, Altos Ventures, Polychain Capital, Sky9 Capital, Bob Pasker, Julia Hartz, Karl Peterson
Jul 1, 2011	Tripping.com	$1.0M Seed	—	75 & Sunny, Kevin Hartz, Altos Ventures, Bob Pasker, Julia Hartz, Karl Peterson
Mar 1, 2011	Stack Overflow	$12.0M Series B	—	Ambush Capital, Andreessen Horowitz, Awesome People Ventures, Canary Ventures, CoinFund, Decibel Partners, Divergence Ventures, Index Ventures, Northzone, Seed Club Ventures, SID Venture Partners, Spark Capital, The Founder Coach, Union Square Ventures, Mason Nystrom, Alexander Salnikov, Larry Braitman, Lawrence Braitman, Stefan George, Tegan Kline

Financial History

Total Raised

N/A

Valuation

N/A

Leadership Team

Key people at FounderPartners.

Brian Flynn

Managing Partner

Leadership Team

Key people at FounderPartners.

Brian Flynn

Managing Partner

Deep Dive

High-Level Overview

FounderPartners is a Silicon Valley-based startup studio and investment network founded in 2013 that focuses on partnering with and investing in technical entrepreneurs globally. Their mission is to dramatically increase the success rate of tech founders by investing their own capital and providing hands-on support to build and successfully exit companies. They target capital-efficient software businesses in sectors such as SaaS, APIs, blockchain, AI, and cloud services. FounderPartners emphasizes working closely with a limited number of portfolio companies, offering strategic guidance on management, growth, and exit planning, which has resulted in an impressive success rate of about 85% across 39 companies, including notable exits like Roblox[1][2][3][4][5].

Origin Story

FounderPartners was founded in 2013 by serial entrepreneurs Brian Flynn and Greg Baszucki, who brought their extensive experience in building and scaling technology companies to create a unique investment and startup studio model. The firm evolved from their entrepreneurial backgrounds and a desire to invest their own money alongside founders, aligning incentives and providing deep operational support rather than just capital. Over time, the firm has expanded its global reach while maintaining its Silicon Valley headquarters, focusing on technical founders and capital-efficient software startups. The team includes other key partners such as Dimitri Steinberg and Joanne Roboz, and they have built a reputation for hands-on involvement and strategic M&A advisory[1][2][3][5].

Core Differentiators

Unique Investment Model: FounderPartners invests its own capital rather than relying on external LPs, ensuring full alignment with founders and a long-term partnership approach.
Network Strength: Based in Silicon Valley with a global footprint, they leverage deep industry connections to support portfolio companies in scaling and exit opportunities.
Track Record: They have co-founded or invested in 39 companies with 18 successful exits, 17 profitable or rapidly growing companies, and only 4 failures, including high-profile exits like Roblox and several acquisitions by major firms.
Operating Support: Beyond capital, they provide hands-on operational guidance, strategic partnership development, and sell-side M&A advisory, acting as minority co-founders invested in the success of their portfolio companies[2][3][5][6].

Role in the Broader Tech Landscape

FounderPartners rides the trend of capital-efficient software startups driven by technical founders who prioritize sustainable growth and profitability over rapid, capital-intensive scaling. Their timing is advantageous as global markets increasingly value software solutions in AI, blockchain, SaaS, and cloud computing, sectors where FounderPartners has deep expertise. By focusing on founder alignment and operational involvement, they influence the ecosystem by increasing startup success rates well above industry averages, fostering innovation, and enabling more predictable exits. Their model contrasts with traditional VC firms by emphasizing founder partnership and hands-on support, which helps bridge the gap between early-stage startups and successful exits in a competitive market[3][4][5].

Quick Take & Future Outlook

Looking ahead, FounderPartners is well-positioned to continue scaling its portfolio and influence by leveraging its unique model of principal investing combined with operational expertise. As trends in AI, blockchain, and SaaS evolve, their focus on capital-efficient, founder-led companies will remain relevant, especially in a market that increasingly values sustainable growth and profitability. Their global reach and Silicon Valley base provide a strong platform to identify and nurture high-potential startups worldwide. The firm’s influence is likely to deepen as more founders seek aligned partners who offer more than just capital, potentially expanding their portfolio and impact in emerging tech sectors and markets[4][5].

FounderPartners exemplifies a new breed of investment firm that blends entrepreneurial experience with capital and strategic support, significantly improving the odds of startup success in the global technology landscape.

Sources

High-Level Overview

Origin Story

Core Differentiators

Unique Investment Model: FounderPartners invests its own capital rather than relying on external LPs, ensuring full alignment with founders and a long-term partnership approach.
Network Strength: Based in Silicon Valley with a global footprint, they leverage deep industry connections to support portfolio companies in scaling and exit opportunities.
Track Record: They have co-founded or invested in 39 companies with 18 successful exits, 17 profitable or rapidly growing companies, and only 4 failures, including high-profile exits like Roblox and several acquisitions by major firms.
Operating Support: Beyond capital, they provide hands-on operational guidance, strategic partnership development, and sell-side M&A advisory, acting as minority co-founders invested in the success of their portfolio companies[2][3][5][6].