John Siegel
Partner @ Columbia Capital
Washington, United States
John Siegel is a Series A investor at Columbia Capital in Washington focused on Software and Enterprise Software. John is a Partner with Columbia Capital where he focuses on communication services investments.Prior to joining Columbia Capital, he was a member of Morgan Stanley’s Private Equity Group, specializing in investments in the telecommunications and data services arena.He has held positions with Fidelity Ventures and the Investment BankingDivision of Alex. Brown & Sons, Incorporated.He is also a member of the Board of Directors of Envysion, GTS CE, MegaPath, MindSHIFT Technologies, New Global Telecom, Presidio, and Zayo Bandwidth. He is also actively involved in MetroPCS Communications and was previously involved with Mobile Satellite Ventures.John served on the board of ICG Communications prior to its sale to Level 3 Communications and represented Columbia Capital’s interests in Mpower Communications prior to its sale to TelePacific.He was also a board member of FDN Communications prior to its merger with NuVox Communications.John received his B.A. from Princeton University and his M.B.A. from Harvard Business School.
- Total investments:
- 13
- Last investment:
- Lead investor:
- 38%
Last updated:
For AI agents: llms.txt
Industries John Siegel invests in
Stages John Siegel invests in
Countries John Siegel invests in
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Investment Focus
Industry
- Software 2 (15%)
- Enterprise Software 2 (15%)
- SaaS 1 (8%)
- Video 1 (8%)
- Mobile 1 (8%)
Stage
- Series A 3 (23%)
- Series B 2 (15%)
- Series C 2 (15%)
- Funding Round 2 (15%)
- Series D 1 (8%)
Country
- United States 3 (23%)
- United Kingdom 1 (8%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Landways Management Limited
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Landways Management Limited specialisez in design, build, finance and operation of integrated digital infrastructure. | Private Equity / Aug 07, 2023 | |
Teliris
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Teliris delivers visual collaboration services and products designed to drive value across its customers’ video estates. Built on its lightweight Lentaris platform, Teliris delivers end-to-end managed services, immersive video solutions ranging from boardroom to desktop and cloud-based interoperability. | $11M / Feb 09, 2009 | |
Envysion
|
scaling challenges of managing distributed video systems across multiple locations.The Envysion Video service enables organizations to leverage remote video and gives operators the insight to improve performance in every location, every day. Operators benefit from remote viewing of live and recorded video from an unlimited number of locations. The service goes beyond traditional security and loss prevention applications by integrating video with business tools such as Point-of-Sale (POS) systems.via: | $3M / Series C / Aug 15, 2008 | |
mindSHIFT Technologies
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mindSHIFT creats a managed IT environment where leading technology resources and proactive management are available and affordable for organizations of all sizes. mindSHIFT is accredited by the MSP Alliance, the international organization of managed services providers. As a member of the Managed Services Accreditation Program, mindSHIFT countsitself as one of the top managed IT services providers in the world. | $14M / Series E / Apr 22, 2008 | |
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mindSHIFT Technologies
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mindSHIFT creats a managed IT environment where leading technology resources and proactive management are available and affordable for organizations of all sizes. mindSHIFT is accredited by the MSP Alliance, the international organization of managed services providers. As a member of the Managed Services Accreditation Program, mindSHIFT countsitself as one of the top managed IT services providers in the world. | $14M / Series D / Sep 12, 2007 | |
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Envysion
|
scaling challenges of managing distributed video systems across multiple locations.The Envysion Video service enables organizations to leverage remote video and gives operators the insight to improve performance in every location, every day. Operators benefit from remote viewing of live and recorded video from an unlimited number of locations. The service goes beyond traditional security and loss prevention applications by integrating video with business tools such as Point-of-Sale (POS) systems.via: | $6.5M / Series B / Feb 20, 2007 | |
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Teliris
|
Teliris delivers visual collaboration services and products designed to drive value across its customers’ video estates. Built on its lightweight Lentaris platform, Teliris delivers end-to-end managed services, immersive video solutions ranging from boardroom to desktop and cloud-based interoperability. | $40M / Series A / Feb 06, 2007 | |
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mindSHIFT Technologies
|
mindSHIFT creats a managed IT environment where leading technology resources and proactive management are available and affordable for organizations of all sizes. mindSHIFT is accredited by the MSP Alliance, the international organization of managed services providers. As a member of the Managed Services Accreditation Program, mindSHIFT countsitself as one of the top managed IT services providers in the world. | $18M / Series C / Aug 29, 2006 | |
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mindSHIFT Technologies
|
mindSHIFT creats a managed IT environment where leading technology resources and proactive management are available and affordable for organizations of all sizes. mindSHIFT is accredited by the MSP Alliance, the international organization of managed services providers. As a member of the Managed Services Accreditation Program, mindSHIFT countsitself as one of the top managed IT services providers in the world. | $18M / Series C / Aug 29, 2006 | |
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Envysion
|
scaling challenges of managing distributed video systems across multiple locations.The Envysion Video service enables organizations to leverage remote video and gives operators the insight to improve performance in every location, every day. Operators benefit from remote viewing of live and recorded video from an unlimited number of locations. The service goes beyond traditional security and loss prevention applications by integrating video with business tools such as Point-of-Sale (POS) systems.via: | $2.9M / Series A / Aug 04, 2006 | |
| See all 13 investments → | |||
Co-Investors
About Columbia Capital
Columbia Capital is a venture capital franchise in wireless, broadband, media, and enterprise information technology investing. The company intends to make investments in the enterprise information technology, digital infrastructure, and mobility sectors.
Columbia Capital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Don Doering
Partner
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Jason Booma
Partner
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John Siegel
Partner
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Patrick Hendy
Partner
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Arun Gupta
Partner
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FAQ
What does John Siegel invest in?
John Siegel invests primarily in Software, Enterprise Software and SaaS startups, most often at Series A and Series B stage. Most of the 13 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
How do I contact John Siegel?
Public channels for John Siegel include LinkedIn. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did John Siegel last invest?
The most recent investment recorded for John Siegel closed in Aug 2023. 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 Sep 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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