Warren Shaeffer

Partner at Pear VC

Reviewed Updated Mar 16, 2026

This profile is AI-generated. If you spot an error, please help us fix it by sharing a URL to the correct information.

Partner at Pear VC (joined July 2024 as Visiting Partner, full Partner Dec 2024). Three-time founder: SocialEngine (Room 214 acquisition 2013), Vidme (video platform acquired by Giphy 2017), Knowable (audio learning, Medium acquisition 2021). VP of Audio at Medium post-acquisition. Runs PearX accelerator. Pre-seed/seed investor ($250K-$2M) in consumer, social, edtech, creator economy. JPMorgan analyst, Golden Gate Capital PE investor.

Location San Francisco Bay Area, CA
Check Size $250K-$2M
Last Verified Investment Known (Seed) — Dec 2025
Stage Focus

Background

Warren Shaeffer is a Partner at Pear VC, the Palo Alto-based pre-seed and seed fund, where he focuses on consumer investments and runs PearX, the firm’s small-batch accelerator 1. He joined Pear in July 2024 as a Visiting Partner and transitioned to full Partner in December 2024 2.

Shaeffer is a three-time company co-founder. He began his career as an investment banking analyst at JPMorgan in the technology and media group, then moved into private equity as an investor at Golden Gate Capital, where he helped launch a billion-dollar credit fund 3. He subsequently became COO and co-owner of SocialEngine, a custom social network platform, which was acquired by digital marketing agency Room 214 in December 2013 4.

After the SocialEngine acquisition, Shaeffer co-founded Vidme in 2014 with Alex Benzer 5. Vidme was a creator-first video platform that grew to over 25 million monthly unique users 6. The company raised a $3.2 million Series A in April 2015 and a $6 million Series B in December 2016 led by NEA, with participation from Upfront Ventures, First Round Capital, Lowercase Capital, SV Angel, and Mucker Capital 6. Vidme shut down in December 2017 due to competition from YouTube, Facebook, and Instagram; Giphy subsequently acquired the company’s assets 5.

In 2019, Shaeffer co-founded Knowable with Alex Benzer, an audio-first learning platform offering expert-led courses 7. Knowable raised a $4 million seed round in October 2019 led by Andreessen Horowitz, with participation from Upfront Ventures, Initialized Capital, and First Round Capital 7. Knowable was acquired by Medium in November 2021, and Shaeffer joined Medium as Vice President of Audio 8.

Before joining Pear full-time, Shaeffer served as an angel investor and scout for a16z 1. He is a Harvard University graduate (B.A., Government, 2007) and was a member of the Harvard Lampoon 3.

Stated Thesis

Shaeffer publicly describes his investment focus as consumer-first startups at pre-seed and seed, with particular emphasis on companies that expand privilege and opportunity globally 1. His stated philosophy centers on backing founders who challenge the status quo and demonstrate a bias for action 1.

On consumer product development, he has stated: “The advice I most often give to anyone building consumer products: Reduce time-to-magic. Your product can be complicated under the hood, but to the user it should feel simple, delightful, and magical — as fast as possible.” 1

On the difficulty of consumer investing: Shaeffer acknowledges that “consumer startups carry high difficulty and failure rates, requiring more than ambition—they demand clear-eyed problem assessment and ability to inspire others with intrinsic drive” 1.

On his motivation to join Pear: “A founder’s job is to stack the odds of success in their company’s favor, and I’m convinced that having Pear as an early investor is one of the best ways to do this.” 2

His thesis summary as stated on Pear’s site: focused on “founders who challenge the status quo” and are “expanding privilege and opportunity globally” 1.

Inferred Thesis

Based on 4 verified investments made during Shaeffer’s time at Pear VC (2024–2025); sample is too small for reliable sector percentages. Pre-Pear angel investments (Dispo, Overnight, Maude, Fondo) are noted separately.

All four documented Pear-era investments are consumer social or consumer AI companies:

  • SweatPals (2024) — fitness social network; consumer social 9
  • Known (2025) — AI-driven dating app replacing swipe mechanics with voice-based onboarding; consumer AI 10

Both Pear-era companies with confirmed investment details are social/community platforms using AI to create richer connections. SweatPals connects fitness enthusiasts; Known connects potential romantic partners. This suggests a pattern preference for social platforms that use technology to make human relationships more substantive rather than more transactional.

Pre-Pear angel investments in Dispo (photo-sharing social app, 2020), Overnight (app), Maude (consumer health/wellness), and Fondo (fintech) 1112 suggest broader consumer appetite. However, these were personal angel checks ($5K–$50K) rather than Pear institutional investments, and it would be misleading to conflate them with his current investment mandate.

Stage distribution across Pear investments: 100% pre-seed/seed (4 of 4 verified). Check size range at Pear: PearX offers $250K–$2M 13.

Co-investor patterns in Pear-era deals: a16z SPEEDRUN (SweatPals), Forerunner (Known), NFX (Known), Coelius Capital (Known) 910. The combination of a16z, Forerunner, and NFX as co-investors suggests Shaeffer is positioning himself in the upper tier of consumer seed investing, alongside funds that specialize in network-effects businesses and consumer brands.

Geographic focus: Austin (SweatPals), San Francisco (Known) — national scope, not Bay Area-exclusive.

Founder profile pattern: based on Pear VC’s published philosophy and his own stated preferences, Shaeffer emphasizes founders with deep consumer insight, domain expertise, and the ability to inspire users 1. His personal founder background across three companies (SocialEngine, Vidme, Knowable) gives him particular credibility evaluating consumer product decisions and early-stage product-market fit.

Notable gap: Shaeffer’s stated thesis includes fintech and creator economy, but all verified Pear-era investments are social/community consumer apps. His pre-Pear Fondo investment is the only fintech entry.

Portfolio

The following table covers investments made during Shaeffer’s time at Pear VC (from July 2024), plus notable pre-Pear angel investments where documentation exists. Pear VC as a firm has approximately 260+ portfolio companies 14; this table covers documented Shaeffer-led or Shaeffer-involved investments only.

Company Year Stage Sector Source
Dispo 2020 Seed Consumer Social 11
Known ~2025 Seed Consumer AI / Dating 10
SweatPals 2024 Seed Consumer Social / Fitness 9

Notes: - Dispo was an angel investment made before Shaeffer joined Pear VC; confirmed seed round October 7, 2020 11. - Known is a PearX W25 company that raised $9.7M in seed funding from Pear VC, Forerunner, NFX, and Coelius Capital; investment date approximately Q4 2025 10. - SweatPals closed a $3M round co-led by a16z SPEEDRUN and Pear VC in October 2024; Shaeffer named as a “steadfast advocate” and early backer 9. - Overnight, Maude, and Fondo appear on aggregator profiles as Shaeffer angel investments but specific round dates and amounts could not be independently verified; excluded from table pending confirmation.

In Their Own Words

On consumer product philosophy:

“The advice I most often give to anyone building consumer products: Reduce time-to-magic. Your product can be complicated under the hood, but to the user it should feel simple, delightful, and magical — as fast as possible.” 1

On consumer market dynamics (Twitter/X, 2025):

“Hot take: in consumer it’s better to be hated than ignored. Make something the status quo doesn’t want.” 15

On the privilege expansion thesis (Twitter/X, September 2024):

“Privilege expansion is a theme I’ve thought about a lot, both as a founder and an investor, and it’s fun to see this thesis resonating with more people.” 16

On joining Pear VC (LinkedIn, July 2024):

“A founder’s job is to stack the odds of success in their company’s favor, and I’m convinced that having Pear as an early investor is one of the best ways to do this.” 2

On fundraising advice for early-stage founders (Twitter/X, March 2024):

“Early-stage founders should spend less time on their deck and more time on their blurb. Good investors get a lot of meeting requests, and they’ll typically look at a blurb before deciding whether to look at a deck. A good blurb provides a concise overview of your product, team, and funding status.” 17

On Knowable’s mission (press release, October 2019):

“Our mission is to make education more modern and accessible for people around the world.” 7

On ambition (Pear VC team page):

“The danger for most founders isn’t that they aim too high and miss, but that they aim too low and reach their target.” 1

What Founders Say

Salar Shahini, Co-founder and CEO of SweatPals, on Warren Shaeffer’s early support (Silicon Hills News, October 2024):

“[Warren Shaeffer has] been a steadfast advocate of SweatPals from the beginning.” 9

No additional independently sourced founder testimonials naming Warren Shaeffer as an individual investor were found across Twitter/X, podcasts, Product Hunt, or press coverage searched for this profile. The Known founders (Celeste Amadon and Asher Allen) did not provide named quotes about Shaeffer in the press coverage reviewed.

Sources


  1. Pear VC team page, “Warren Shaeffer,” accessed March 2026. https://pear.vc/team/warren-shaeffer/

  2. LinkedIn post by Warren Shaeffer announcing joining Pear VC as Visiting Partner, July 24, 2024. https://www.linkedin.com/posts/warrenshaeffer_happy-personal-news-ive-joined-the-pear-activity-7221897366759432192-u5mS

  3. Everipedia (now IQ.wiki), “Warren Shaeffer,” accessed March 2026. https://everipedia.org/wiki/lang_en/warren-shaeffer

  4. PR Newswire, “New Era Begins for Custom Social Network Platform SocialEngine,” January 23, 2014 — confirms acquisition by Room 214 and Shaeffer’s COO/co-owner role. https://www.prnewswire.com/news-releases/new-era-begins-for-custom-social-network-platform-socialengine-241632911.html

  5. Vidme blog (Medium), “Goodbye for now,” by Warren Shaeffer, December 2017 — Shaeffer’s first-person account of Vidme’s closure. https://medium.com/vidme/goodbye-for-now-120b40becafa

  6. Tubefilter, “Vidme, A Cross Between YouTube And Reddit, Raises $6 Million In New Funding,” December 13, 2016 — confirms investors and $6M Series B; 25M monthly unique users. https://www.tubefilter.com/2016/12/13/vidme-youtube-reddit-raises-6-million-funding-round/

  7. PR Newswire, “Knowable Launches Audio Learning Platform and Library of Original Expert-Led Courses; Raises $4M from Andreessen Horowitz and Others,” October 2019 — confirms $4M seed round and investors. https://www.prnewswire.com/news-releases/knowable-launches-audio-learning-platform-and-library-of-original-expert-led-courses-raises-4m-from-andreessen-horowitz-and-others-300929001.html

  8. TechCrunch, “Medium acquires Knowable to bring audio to the platform,” November 16, 2021. https://techcrunch.com/2021/11/16/medium-acquires-knowable-to-bring-audio/

  9. Silicon Hills News, “SweatPals Raises $3M Led by a16z SPEEDRUN and Pear VC to Connect the World Through Fitness,” October 27, 2024 — includes founder quote about Shaeffer. https://www.siliconhillsnews.com/2024/10/27/sweatpals-raises-3m-led-by-a16z-speedrun-and-pear-vc-to-connect-the-world-through-fitness/

  10. Global Dating Insights, “Known Raises on Voice AI to Push Dating Back Offline,” December 2025 — confirms Pear VC as investor and $9.7M seed funding. https://www.globaldatinginsights.com/featured/known-raises-on-voice-ai-to-push-dating-back-offline/

  11. Tubefilter, “David Dobrik’s ‘Dispo’ Raises $4 Million Seed Round From Alexis Ohanian, Vlog Squad Members, More,” October 7, 2020 — confirms Warren Shaeffer (then Knowable CEO) as seed investor. https://www.tubefilter.com/2020/10/07/david-dobrik-dispo-4-million-seed-round-alexis-ohanian-776/

  12. PitchBook, Warren Shaeffer investor profile — lists Dispo, Overnight, Maude, and Fondo as investments. https://pitchbook.com/profiles/investor/153781-93

  13. Pear VC, “PearX” accelerator page — $250K–$2M investment range, accessed March 2026. https://pear.vc/pearx/

  14. Tracxn, “Pear VC — 2026 Investor Profile,” accessed March 2026. https://tracxn.com/d/venture-capital/pearvc/__la3yiLZnMG-zsy65LpTjSWl2Jf3gpGIX3Fla4qxDyHc

  15. Warren Shaeffer, Twitter/X post (@wwshaef), 2025. https://x.com/wwshaef/status/19560463171192998

  16. Warren Shaeffer, Twitter/X post (@wwshaef), September 2024. https://x.com/wwshaef/status/1839031232719659232

  17. Warren Shaeffer, Twitter/X post (@wwshaef), March 2024. https://x.com/wwshaef/status/1768419838329016453