Paul Buchheit

Aesthetic is a creative automation tool for digital marketers

Octopart is an industrial and electrical parts search engine.

A company developing diagnostic and disease surveillance technology for infectious diseases

DrChrono is a company providing EHR, Practice Management, and Revenue Cycle Management Solution APIs. It participated in the W11 cohort of Y Combinator.

Rapportive provides an email add-on displaying social media information about contacts inside the users’ inbox.

Couple is a company founded in 2020.

Vidyard is a company providing a video marketing platform for businesses. It participated in the S11 cohort of Y Combinator.

Wuffou provides a web application for creating online forms, surveys and event registrations. It participated in the W06 cohort of Y Combinator.

Pebble Technology is company developing and marketing smartwatches.

Custora is a company founded in 2011 by Jon Pospischil.

Starcity is an American company that builds co-housing microapartments in which tenants pay for a private room with shared kitchens, bathrooms and other shared spaces.

Exec is a company providing a platform for finding and booking house cleaning service. It participated in the W12 cohort of Y Combinator.

Path is a social network founded in 2018 by Shawn Fanning.

Leftronic is a company developing web-based business dashboards for monitoring company data.

FriendFeed is a Mountain View, California-based social media company founded in 2007 by Paul Buchheit.

Red Tricycle is a company founded by Jacqui Boland, Craig Zingerline and Dan Zaner.

AppJet provides an online programming tool and web-based text editor for creating web applications. It participated in the S07 cohort of Y Combinator.

A global platform for creating a blog, website, or online store. It was founded in 2007 and acquired by Square in 2018. It is located in San Francisco, California.

MyVR is a company providing a cloud-based management platform for short-term rental businesses.

Citus Data is a company focused on building PostgreSQL databases.

Crocodoc is a company founded in 2010 by Ryan Damico, Bennett Rogers and Matt Long.

CardPool is an Irving, Texas-based company founded in 2009 by Anson Tsai.

Instacart is an internet-based grocery delivery service company.

Perfect Audience is a company providing a retargeting platform that allows marketers to bring back lost web visitors through Facebook ads and banner ads in the web.

reMail offers an email application that downloads email to iPhone and allows users to search and retrieve e-mails.

Also known as Crowdtilt, Tilt is a company providing crowdsourcing platform that allows users to pool funds for their causes online. It participated in the W12 cohort of Y Combinator.

Quartzy is a lab management platform company founded in 2011 by Jayant Kulkarni.

Namo Media is a San Francisco-based advertising company founded in 2013.

Swiftype is a company building search software for enterprises, websites and applications. It participated in the W12 cohort of Y Combinator.

Nabis is a software-enabled licensed cannabis distributor founded in 2018 by Jun Sup Lee, Jun S. Lee and Vince Ning.

PlanGrid is a company providing a cloud-based construction document collaboration platform. It allows contractors and architects to share from their mobile devices and desktops project plans, markups, photos, specifications and reports. It participated in the W12 cohort of Y Combinator.

1000Memories provides a platform that allows people to organize, share and discover old photos and set up family trees. It participated in the S10 cohort of Y Combinator.

Buffer box is a startup company developing automated self-serve kiosk that provides 24/7 pick-up of parcels. It participated in the S12 cohort of Y Combinator.

Comprehend Systems is a technology company providing cloud software for clinical operations of pharmaceutical companies.

MailGun is a company providing APIs for developers for integrating emails into applications.

SocialCam provides a mobile application for Android and iPhone allowing users to capture, edit, share and view videos online. It participated in the W12 cohort of Y Combinator.

280 North is a software company enabling users to build applications. through its proprietary tech toolkit, Cappuccino.

A company offering personalized texts and schedule text campaigns to customers or leads

A social games for iOS and Android development company. It participated in the S10 cohort of Y Combinator

URX is a deeplink Search Engine founded in 2013 by Nathanael Smith, John Milinovich, Andrew Look and James Lawrence Turner.

California Dreamin' is a San Francisco-based cinematography company founded in 2017 by Peter Bishop.

A mobile application company connecting gamers to like-minded teammates. Its headquarters are located in New York City, New York and the company was founded in 2018.

DoorDash is a San Francisco-based online food ordering and delivery platform. It participated in the S13 cohort of Y Combinator.

A software company making a workplace email communication platform for remote and office work.

SlidePay is a company founded in 2011 by Charlie Pinto.

Virool is a company providing a programmatic video marketing platform.

Optimizely is an American multinational internet and technology corporation. It builds customer experience optimization software for enterprises.

ZeroCater is a catering company providing office catering and snack services.

RethinkDB provides an open-source distributed NoSQL document-oriented database storing JSON documents and scaling data for applications.

Lob is a company developing and building APIs for automating mail and customer communications with print media. It participated in the S13 cohort of Y Combinator.

A company using RNA to diagnose disease and to develop biomarkers that predict treatment outcomes. Cofactor is founded by Jarret Glasscock.

Iris Automation is a technology company specializing in artificial intelligence-based collision avoidance systems for industrial drones and other autonomous flying machines.

A software-as-a-service technology company with a focus on robotic solutions for laboratories. It was founded in 2019 and is located in Menlo Park, California.

Gusto is a company providing a cloud-based payroll, benefits, and human resources management platform.

Ambition is a company offering a sales management platform. It participated in the W14 cohort of Y Combinator.

Lvl5, Inc. is a company providing high-definition maps for self-driving cars founded in 2016.

Cityfurnish is a furniture rental company.

Gotrade is a Singapore-based financial services company that enables people in 150 countries to invest commission free in fractional US stocks.

Mutiny is a web development company that helps SaaS companies personalize their website for each visitor. It participated in the S18 cohort of Y Combinantor.

Replit is a San Francisco-based IDE and software development environment company making a browser application platform for coding in over fifty programming languages.

Veriff is a company founded in 2015 by Kaarel Kotkas.

Paladin Drones is a simple system to give first responders instant situational awareness

Let's Do This is a London-based company founded in 2017 by Sam Browne, Alex Rose and Neil Lock.

Dnovobio is a developer of a direct reprogramming technology intended to create any cell, tissue, or organ on demand

SingleStore is a San Francisco-based database software and analytics company offering a platform to help companies operationalize their data.

Rigetti Computing is a quantum computing company based in Berkeley, California.

Universe is a mobile website builder offering no code development founded in 2014 by Joseph Cohen.

Perplexity AI is a company developing an AI-based search engine platform.