Cohort

Founders, Backgrounds, and Bench

Cohort was founded in 2017 by Eamon Leonard, a solo founder with a background in cloud infrastructure and angel investing [Crunchbase]. Leonard previously co-founded CloudSplit, a cloud cost-monitoring startup that pitched at TechCrunch50 in 2009, and was an angel investor in companies like Circa and Sprintly [TechCrunch, Sep 2009; TechCrunch, Jan 2013; TechCrunch, Jul 2012].

Summary and Signal

Cohort, a professional networking app launched in 2017, attempted to build a social graph from public data to extract value from professional connections, but the company ceased operations in 2018 after failing to secure follow-on funding [Fora, May 2018]. The venture is a historical case study, notable for its initial backing by a group of high-profile angel investors including GitHub co-founders Scott Chacon and Tom Preston-Werner, and Harper Reed, former CTO for the Obama 2012 campaign [TechCrunch, May 2017]. Founder Eamon Leonard, a Dublin-based entrepreneur, positioned the iOS app to target individuals first before moving to teams and organizations under a freemium model [TechCrunch, May 2017; Silicon Republic, 2017]. The company raised a $575,000 angel round but was unable to close a targeted $1.5 million seed round, leading to its wind-down [TechCrunch, May 2017; Fora, May 2018]. The primary artifact for analysis is the founder's post-mortem reflection, which details the shutdown process and makes the company's intellectual property available [Medium, 2018].

Data Accuracy: YELLOW -- Core facts (funding, shutdown, investors) are confirmed by multiple press reports; some product and team details are from single sources or founder blogs.

Company Overview

Cohort, Inc. was incorporated in the United States with development operations based in Dublin, Ireland. The company's primary milestone was a public launch in May 2017, accompanied by a $575,000 angel round from a group of notable individual investors. This group included Harper Reed, Ray Nolan, and GitHub co-founders Scott Chacon and Tom Preston-Werner [TechCrunch, May 2017]. At launch, Leonard stated the company was seeking a $1.5 million seed round to scale the business [TechCrunch, May 2017]. Available public records indicate the company ceased operations in May 2018. Founder Eamon Leonard confirmed the shutdown in a blog post, citing an inability to secure follow-on seed funding as the primary reason [Fora, May 2018; Medium, 2018].

Data Accuracy: GREEN -- Key founding, funding, and shutdown events corroborated by TechCrunch, Fora, and founder's own Medium post.

The Product and the Stack

Cohort’s core proposition was a professional networking application that sought to automate the construction of a user’s social graph. The initial iOS app, launched in May 2017, was designed to pull from public data sources to map professional connections [TechCrunch, May 2017]. The business model followed a freemium structure. The service was free for individuals and for organizations with fewer than 50 people, while larger organizations and “community cohorts” were intended to pay a premium fee [Silicon Republic, 2017]. The company’s shutdown in 2018 indicates the product did not progress beyond its initial launch state [Fora, May 2018].

Data Accuracy: YELLOW -- Product details are drawn from a single launch article and one contemporaneous report; no independent technical review or user testimonials are available.

The Market They Are Entering

Professional networking platforms have long been a cornerstone of business development and recruitment. The market's significance is underscored by the entrenched position of the dominant player, which reported annual revenue exceeding $15 billion in 2023 [LinkedIn, 2024]. The broader professional networking software market was valued at approximately $1.1 billion in 2022 and is projected to grow at a compound annual rate of 8.3% through 2030 [Grand View Research, 2023].

Metric	Value
Professional Networking Software (2022)	$1.1B
Projected CAGR (2023-2030)	8.3%
LinkedIn Annual Revenue (2023)	$15B

Data Accuracy: YELLOW -- Market sizing for the specific product category is not available; broader market figures are from a single third-party report. LinkedIn revenue is a public disclosure.

The Competitive Field

Cohort entered a market defined by a single, deeply entrenched incumbent, positioning itself as a mobile-first alternative that promised to derive value from existing professional data. The primary incumbent was LinkedIn, a platform with over a decade of network effects and integration into the daily workflow of hundreds of millions of professionals. Cohort's proposition was to circumvent the initial friction of building a network by constructing a graph from public data sources. The company shut down in May 2018 after failing to raise its targeted seed round, confirming that its automated graph and freemium wedge were insufficient to overcome the incumbent's gravity [Fora, May 2018].

Data Accuracy: YELLOW -- Competitive positioning sourced from launch-era coverage; market context and LinkedIn's position are publicly established. The outcome of the competitive scenario is confirmed by a secondary source.

Opportunity

If Cohort could have successfully built a new professional graph from public data, the prize was a fundamental re-architecting of how people discover and connect with professional contacts. The company's launch thesis was that a graph built from public data sources could be more dynamic and valuable than a manually maintained profile [TechCrunch, May 2017]. The opportunity was not to replace LinkedIn's feed or job board directly, but to undercut its core data asset with a more automated, accurate alternative.

Data Accuracy: YELLOW -- Opportunity analysis is based on the company's stated thesis and model at launch; no subsequent traction data is available to validate the scenarios.

Sources

1. [TechCrunch, May 2017] Cohort is a new take on getting value from your professional network | https://techcrunch.com/2017/05/08/cohort-is-a-new-take-on-getting-value-from-your-professional-network/
2. [Fora, May 2018] Irish LinkedIn rival Cohort is shutting down after failing to raise more money | https://fora.ie/eamon-leonard-cohort-2-3987802-May2018/
3. [Silicon Republic, 2017] Everything you wanted to know about Cohort, the newest networking tool | https://www.siliconrepublic.com/careers/cohort-networking-social-network
4. [Crunchbase] Cohort - Crunchbase Company Profile & Funding | https://www.crunchbase.com/organization/cohort-2
5. [TechCrunch, Sep 2009] TechCrunch50: CloudSplit arrives to monitor those expensive clouds | https://techcrunch.com/2009/09/16/cloudsplit-arrives-to-monitor-those-expensive-clouds/
6. [TechCrunch, Jan 2013] Circa Raises $750K From Group Including Lerer Ventures To rework Mobile News Delivery | https://techcrunch.com/2013/01/19/circa-raises-750k-from-group-including-lerer-ventures-to-rework-mobile-news-delivery/
7. [TechCrunch, Jul 2012] Facebook's "Boz" And Other Fancy Angels Back Joe Stump's New Startup, Sprintly | https://techcrunch.com/2012/07/11/facebooks-boz-and-other-fancy-angels-back-joe-stumps-new-startup-sprintly/
8. [Medium, 2018] Shutting Down Cohort. Maybe I could have worked more hours… | https://medium.com/@EamonLeonard/shutting-down-cohort-6cd6bf949a8d
9. [LinkedIn, 2024] LinkedIn 2023 Annual Report | https://investors.linkedin.com/financials/quarterly-results/default.aspx
10. [Grand View Research, 2023] Professional Networking Software Market Size, Share & Trends Analysis Report | https://www.grandviewresearch.com/industry-analysis/professional-networking-software-market-report