# Patrick Shannon

> Patrick Shannon is a startup investor at Allegion. See 0 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Allegion](https://shizune.co/investors/profile/allegion)
- Last updated: Aug 2026

Patrick Shannon is a startup investor at Allegion. Mr. Patrick S. Shannon is a Chief Financial Officer, Senior Vice President of Allegion plc., Mr. Shannon served as the Vice President and Treasurer of Ingersoll-Rand plc (a global diversified company) from August 2012 to August 2013. Mr. Shannon previously served as Ingersoll Rand’s Vice President, Audit Services from February 2010 to August 2012;and Ingersoll Rand’s Vice President, Finance and Information Technology - Trane Commercial Systems from September 2008 to February 2010.

## About Allegion

VC Fund · Dublin, Ireland

Allegion plc is a global provider of security products and solutions. The company offers a portfolio of mechanical and electronic security products across a range of brands. It operates in three geographic regions: Americas; Europe, Middle East, India and Africa (EMEIA), and Asia Pacific. As of November 15, 2013, the Company was selling itssecurity products and solutions under 23 brands in 120 countries, including Schlage, Von Duprin, LCN, CISA, and Interflex. It sells a range of security products and solutions for end-users in commercial, institutional, and residential facilities worldwide, including into the education, healthcare, government, commercial office, and single- and multi-family residential markets.In April 2014, the Company acquired Fire & Security Hardware.

4 contacts available at Allegion.

| Name | Title | Profile |
| --- | --- | --- |
| David D Petratis | CEO | https://shizune.co/investors/profile/david-d-petratis |
| Patrick Shannon | CFO | https://shizune.co/investors/profile/patrick-s-shannon |
| Garett Madole | VP Software Engineering | https://shizune.co/investors/profile/garett-madole |
| Greg Katai | VP Sales and Marketing at Yonomi | https://shizune.co/investors/profile/greg-katai |

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