Patrick O'Reilly
Angel investor in Arlington
Arlington, Virginia
Patrick O'Reilly, Angel investor in Arlington is an active investor based in Arlington, Virginia. This profile covers what Patrick O'Reilly backs, at which stage, and how founders can reach out in 2026.
Dr. Patrick O'Reilly serves as Board Member at PreciseTarget. He is an Angel Investor. Mr. O'Reilly serves as a Board Member at MarginEdge. He served as President & Chief Operating Officer at Applied Predictive Technologies. Before joining APT, Mr. O'Reilly was Vice President of Business Development for Infirmation.com, a career service provider for attorneys. Mr. O'Reilly developed the company's strategy, negotiated partnership agreements, and led its fundraising and marketing efforts. He successfully arranged the sale of Infirmation.com in 2000. Previously, Mr. O'Reilly was an associate with Dean & Company, where he focused on e-commerce, private equity, and telecommunications. Mr. O'Reilly received a Juris Doctor, magna cum laude from Harvard Law School. He holds a B.A. in economics from Duke University, where he graduated magna cum laude and Phi Beta Kappa.
- Investor type
- Angel
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Artificial IntelligenceSaaS & EnterpriseConsumer & RetailEdTech
- Location
- Arlington, Virginia
- Typical check
- $3.8M
- Past investments
- 7
Notable investments
Clavis InsightPreciseTarget
MarginEdgeCourier Health
Klaviyo4G ClinicalCommunities In Schools of NOVAHow to reach Patrick O'Reilly
Angels and operators like Patrick O'Reilly reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded.
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Round Funded. "Patrick O'Reilly." Round Funded investor database, updated September 8, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/patrick-oreilly
Frequently Asked Questions
What does Patrick O'Reilly invest in?
Patrick O'Reilly invests in Artificial Intelligence, SaaS & Enterprise, Consumer & Retail and EdTech, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Patrick O'Reilly invest at?
Patrick O'Reilly typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Patrick O'Reilly's typical check size?
Patrick O'Reilly typically writes checks around $3.8M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.