# David O'Flynn > David O'Flynn is a angel investor at Chain backing Software, Data Storage and Cloud Storage. See 2 investments, check sizes, portfolio. Updated Aug 2026. - Type: Angel Investor - Fund: [Chain](https://shizune.co/investors/profile/chain) - Total investments: 2 - Last investment: Dec 2012 - Lead investor: 0% - Last updated: Aug 2026 - LinkedIn: https://www.linkedin.com/in/david-o-flynn-24019114 - X (Twitter): https://twitter.com/tolisons David O'Flynn is a angel investor at Chain focused on Software and Data Storage. David is the founder and Chief Executive Officer of Tolisons Group, a family run investment office.David’s personal business successes have been built on his ability to identify and engage with new business opportunities and his drive to successfully deliver predetermined business objectives. David is both a Governor of the University ofLimerick as well as a mentor on a number of pan European Start Up accelerator programs – Startupbootcamp & HealthXL. ## Investment focus ### Industry | Industry | Investments | Share | | --- | --- | --- | | Software | 1 | 50% | | Data Storage | 1 | 50% | | Cloud Storage | 1 | 50% | | Flash Storage | 1 | 50% | | Enterprise Software | 1 | 50% | ### Stage | Stage | Investments | Share | | --- | --- | --- | | Angel | 1 | 50% | | Series B | 1 | 50% | ## Investments | Company | Description | Amount | Stage | Date | Website | | --- | --- | --- | --- | --- | --- | | WhatSalon | WhatSalon is a new mobile app for iPhone and android which allows you to book last-minute appointments in local hair and beauty salons at the touch of a button.WhatSalon makes the process of booking an appointment simply effortless. Book that next appointment on the go or even better, when you’re relaxing over lunch or a coffee. Browse thesalons in your area, pick the service you want and view the times they have available. It’s never been easier.WhatSalon is a trading name of WhatSalon Applications Ltd. and is registered in the Republic of Ireland. | $69K | Angel | Dec 01, 2012 | | | Excelero Storage | Founded in 2014 by a team of storage veterans and inspired by the Tech Giants’ shared-nothing architectures for web-scale applications, the company has created a Software-Defined Block Storage solution that meets performance and scalability requirements of the largest web-scale and enterprise applications.With Excelero’s NVMesh, customers canbuild distributed, high-performance Server SAN for mixed application workloads. Customers benefit from the performance of local flash, with the convenience of centralized storage while avoiding proprietary hardware lock-in and reducing the overall storage TCO. The solution has been deployed for hyper-scale Industrial IoT services, machine learning applications and massive-scale simulation visualization. | $12.5M | Series B | | | 2 of 2 investments shown. ## Co-investors - [Battery Ventures](https://shizune.co/investors/profile/battery-ventures) — VC Fund, 1 deal together - [Qualcomm Ventures](https://shizune.co/investors/profile/qualcomm-ventures) — VC Fund, 1 deal together - [Square Peg Capital](https://shizune.co/investors/profile/square-peg-capital) — VC Fund, 1 deal together ## About Chain VC Fund 1 contacts available at Chain. | Name | Title | Profile | | --- | --- | --- | | David O'Flynn | Co-Founder | https://shizune.co/investors/profile/david-oflynn | ## Similar investors ### Similar industry - [SV Angel](https://shizune.co/investors/profile/sv-angel) — VC Fund - [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund - [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund ### Similar stage - [LVX Ventures](https://shizune.co/investors/profile/letsventure) — VC Fund - [ZhenFund](https://shizune.co/investors/profile/zhenfund) — VC Fund - [IAN Group](https://shizune.co/investors/profile/indian-angel-network) — VC Fund ### Similar country - [Enterprise Ireland](https://shizune.co/investors/profile/enterprise-ireland) — VC Fund - [NDRC](https://shizune.co/investors/profile/ndrc) — VC Fund - [Act Venture Capital](https://shizune.co/investors/profile/act-venture-capital) — VC Fund ## Featured in investor lists - [Mobile Angel Investors in Ireland](https://shizune.co/investors/mobile-angel-investors-ireland) ## FAQ ### What does David O'Flynn invest in? David O'Flynn invests primarily in Software, Data Storage and Cloud Storage startups, most often at Angel and Series B stage. Most of the 2 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio. ### When did David O'Flynn last invest? The most recent investment recorded for David O'Flynn closed in Dec 2012. Shizune tracks 2 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly. ### Is Shizune's investor data accurate? Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page. # About Shizune Shizune.co is an investor database. Core features: - 48,091 startup investors (angels, VCs, accelerators, and others) - Email, phone, LinkedIn (for intros), socials, and other contact data - Updated daily from public funding news - CSV and Excel export The User can access the full database FOR FREE after signing up: shizune.co