# Debbie Rennick

> Debbie Rennick is a Series A investor at Act Venture Capital (Dublin) backing Software and Energy. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Act Venture Capital](https://shizune.co/investors/profile/act-venture-capital)
- Location: Dublin, Ireland
- Total investments: 13
- Last investment: May 2024
- Lead investor: 62%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/pub/debbie-rennick/0/297/921

Debbie Rennick is a Series A investor at Act Venture Capital in Dublin focused on Software and Energy. Debbie is a Director of ACT and has been active in corporate finance and venture capital investing for 20 years. Her investment focus is on software, healthcare and media.Debbie is currently on the boards of Qumas, Capella and Heartsine Technologies and works closely with the teams at Game, Endecco, Keelvar and Soundwave.Previously, she hasbeen closely involved with a number of other ACT companies including AEP (acquired by Ultra Tehnologies),Lifestyle Sports (acquired by Stafford Group) , Nova Science (acquired by Abbott), Snapper Music & Kainos.Prior to joining ACT, Debbie spent 5 years with KPMG Corporate Finance specialising in strategic corporate advice, fund-raisings and M&A transactions.Debbie graduated from University College Dublin (UCD) with a degree in Civil Law. She also holds a Diploma in Professional Accounting and is a Fellow of the Institute of Chartered Accountants in Ireland

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 3 | 23% |
| Energy | 1 | 8% |
| Retail | 1 | 8% |
| Sensor | 1 | 8% |
| Travel | 1 | 8% |

25 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 4 | 31% |
| Series B | 3 | 23% |
| Seed | 2 | 15% |
| Series C | 1 | 8% |
| Funding Round | 1 | 8% |

6 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| Ireland | 6 | 46% |
| United Kingdom | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Spectrum Life | Spectrum Life is a healthtech company that provides clinical services, tech infrastructure, and access to personalized care. Spectrum Life provides 24/7 access to mental health and wellbeing supports, including a personal mental health coach and open-ended therapy, at the touch of a button. Spectrum. Life's comprehensive solution enablesorganizations to provide a workplace well-being program that can have a substantially positive impact on their health and wellness, as well as on the culture and performance of the company. | $18.5M | Series B | May 27, 2024 |  |
| GridBeyond | GridBeyond is the developer of an artificial intelligence platform aimed at achieving a global zero-carbon future. The company provides AI-powered services and storage to help customers achieve a zero-carbon future by bridging the gap between distributed energy resources and electricity markets, allowing them to access utility-scale renewablesgeneration, battery storage, or industrial load that can be used to maximize opportunities and improve the grid. | $55.2M | Series C | Apr 16, 2024 |  |
| Spectrum Life | Spectrum Life is a healthtech company that provides clinical services, tech infrastructure, and access to personalized care. Spectrum Life provides 24/7 access to mental health and wellbeing supports, including a personal mental health coach and open-ended therapy, at the touch of a button. Spectrum. Life's comprehensive solution enablesorganizations to provide a workplace well-being program that can have a substantially positive impact on their health and wellness, as well as on the culture and performance of the company. | $5.3M | Series A | Feb 10, 2023 |  |
| Everyangle | Everyangle facilitates business in computer vision applications based on cisco meraki MV smart cameras across retail and industrial firms. | $2.7M | Seed | Oct 30, 2022 |  |
| Conjura | The Conjura platform uses data science, company reporting, and benchmarking to advance e-commerce businesses. A 360-degree perspective of an organization's operations enables businesses to compare their performance against industry norms, obtain deep-dive information to highlight their strengths, challenges, and chances for growth, and makeinformed decisions across all departments. Conjura offers organizations a scalable and integrated data infrastructure by effortlessly integrating with the top e-commerce tools and platforms.Conjura was established on November 13, 2016 in London, England. | $16M | Series A | Apr 26, 2022 |  |
| Spectrum Life | Spectrum Life is a healthtech company that provides clinical services, tech infrastructure, and access to personalized care. Spectrum Life provides 24/7 access to mental health and wellbeing supports, including a personal mental health coach and open-ended therapy, at the touch of a button. Spectrum. Life's comprehensive solution enablesorganizations to provide a workplace well-being program that can have a substantially positive impact on their health and wellness, as well as on the culture and performance of the company. | $3.6M | Venture - Series Unknown | Jun 21, 2021 |  |
| Provizio | Provizio develops an accident prevention platform that embeds safety-first thinking to radically transform vehicle safety. They perceive, predict, and prevent automotive accidents in real-time using proprietary long-range imaging sensors and AI on-the-edge. The company was founded in 2019 and is headquartered in Limerick, Ireland. | $6.2M | Seed | Nov 05, 2020 |  |
| Buymie | Buymie is a same-day grocery delivery company focused on reducing the environmental impact of grocery shopping. | $6.2M | Series B | Jun 14, 2020 |  |
| Buymie | Buymie is a same-day grocery delivery company focused on reducing the environmental impact of grocery shopping. | $2.3M | Series A | Apr 28, 2020 |  |
| GridBeyond | GridBeyond is the developer of an artificial intelligence platform aimed at achieving a global zero-carbon future. The company provides AI-powered services and storage to help customers achieve a zero-carbon future by bridging the gap between distributed energy resources and electricity markets, allowing them to access utility-scale renewablesgeneration, battery storage, or industrial load that can be used to maximize opportunities and improve the grid. | $11.5M | Series B | Jan 20, 2020 |  |

10 of 13 investments shown.

## Co-investors
- [Sure Valley Ventures](https://shizune.co/investors/profile/suir-valley-venture) — VC Fund, 3 deals together
- [Delta Partners](https://shizune.co/investors/profile/delta-partners) — VC Fund, 2 deals together
- [Enterprise Ireland](https://shizune.co/investors/profile/enterprise-ireland) — VC Fund, 2 deals together
- [Haatch](https://shizune.co/investors/profile/haatch) — VC Fund, 2 deals together
- [Tribal.vc](https://shizune.co/investors/profile/tribal-vc) — VC Fund, 2 deals together
- [ABB](https://shizune.co/investors/profile/abb) — VC Fund, 1 deal together

## About Act Venture Capital

VC Fund · Dublin, Ireland

Technology-focused, investing capital and expertise to fuel growth in the most promising ideas and companies. Raised c.€600m across multiple funds and invest from seed to growth.We look for companies with potentially cutting-edge, category-defining businesses in markets including application software, IT infrastructure, communications, Internetand mobile. We help founders create and scale businesses globally. We work as a small team with diverse strengths accessing a community of over 200 founders. The teams and companies we back scale their investor base as they scale their business execution and ambition. We work closely with them in this process. Over the past 25 years have built a broad network of US and European investors and founders that share our vision and approach.Act is based in Dublin, Ireland.Our most recent funds are supported by the European Investment Fund.

5 contacts available at Act Venture Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Andrew O Neill | Principal | https://shizune.co/investors/profile/andrew-o-neill |
| Conor Mills | Principal | https://shizune.co/investors/profile/conor-mills |
| Debbie Rennick | General Partner | https://shizune.co/investors/profile/debbie-rennick |
| John O'Sullivan | General Partner | https://shizune.co/investors/profile/john-osullivan-2 |
| Sarah Matthews | Financial Control | https://shizune.co/investors/profile/sarah-matthews-4155 |

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Debbie Rennick invest in?

Debbie Rennick invests primarily in Software, Energy and Retail startups, most often at Series A and Series B stage. Most of the 13 investments tracked by Shizune back companies in Ireland. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Debbie Rennick last invest?

The most recent investment recorded for Debbie Rennick closed in May 2024. Shizune tracks 13 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
