Columbia Capital
Venture capitalAlexandria · Series B–Late Stage · 26 people tracked
Also known as Columbia Capital Equity Partners · Columbia Capital Equity Partners (QP) · COLUMBIA CAPITAL MANAGEMENT, LLC · COLUMBIA CAPITAL, L.P.
Investment thesis
Columbia Capital invests through deep sector specialization across three areas. In enterprise technology, it targets disruptive tech-enabled services and software that improve agility, decision-making, and innovation for large enterprises facing legacy investment and regulatory constraints, partnering with experienced entrepreneurs on challenger models. In digital infrastructure, it applies a 'picks and shovels' strategy, backing and building data centers, towers, small cells, fiber networks, and hyperscale compute environments that underpin the digital economy. In mobility, it pursues opportunities in mobile capacity, spectrum acquisition and repurposing, disruptive service platforms, and providers addressing security and redundancy needs for critical infrastructure and connected devices.
Source: firm website, verified Aug 3, 2026.
Team · 26 people
from the firm's website & public directoriesWhat they invest in
from 19 of 71 portfolio companiesEnterprise Software ×13Cloud Computing ×8Data & Infrastructure ×8AI & Machine Learning ×6Cybersecurity ×3Defense Tech ×2SaaS ×2B2B Marketplaces ×1
HQs:United States×16South Africa×1
Investments · 71 tracked
founders shown can be your intro pathNextNav builds positioning, navigation, and timing (PNT) services using spectrum as a complement and backup to GPS, addressing vulnerabilities in indoor, urban, and critical infrastructure environments.
Deep TechDefense TechIoTSpace TechReston, US
Arun Raghupathy(Co-Founder and Chief Technology Officer)inMARIAM SOROND(Executive Officer, Director)SUSAN INSLEY(Executive Officer)inJAMES BLACK(Executive Officer)CHRISTIAN GATES(Executive Officer)Gary Parsons(Chairman)
Ashburn, US
Anita Simmons(Executive Officer)Keith Lambert(Executive Officer)Benjamin Pawson(Executive Officer)James Fleming(Director)Patrick Hendy(Director)
Board seatJames FlemingPatrick Hendy· per SEC Form D · $45M raise · filed Dec 2023
Alexandria, US
Walter Beek(Director)
Board seatJason BoomaJohn Siegel· per SEC Form D · $25.3M raise · filed Dec 2021
Los Angeles, US
James Fleming(Director)Paul Koplin(Director)Rajendra Singh(Director)Michael Jahrmarkt(Independent director)Monish Kundra(Director)Serge G. Martin(Executive Vice President)
Board seatMonish Kundra· per SEC Form D · $168.8K raise · filed Oct 2015
Nisos provides human risk intelligence and investigations to identify insider threats, executive vulnerabilities, and employment fraud risks.
CybersecurityData & InfrastructureEnterprise Software
Landon Winkelvoss(Director)Ryan LaSalle(Executive Officer, Director)Justin Zeefe(Executive Officer, Director)David Northington(Director)
BoardDylan Lewis(Director)Christopher Steed(Director)
Board seatJason Booma· per SEC Form D
Sterling, US
MONISH KUNDRA(Vice President and Manager)JAMES FLEMING(Manager)LAWRENCE BABBIO, JR.(Manager)GARY PARSONS(Manager)SERGE MARTIN(Vice President and Manager)JOSEPH S. BRAVMAN(President/Treasurer and Manager)
Board seatMonish Kundra· per SEC Form D
Verato provides identity intelligence solutions that deliver a unified view of people, organizations, and networks.
Data & InfrastructureEnterprise SoftwareSector AgnosticMclean, US
Sanju Bansal(Director)Mark LaRow(Executive Officer, Director)Rel Ambrozy(Secretary)J. Brent Williams(Chief Technology Officer)Kent Bennett(Director)Arun Gupta(Director)
Board seatEvan DeCorte· per SEC Form D
Arlington, US
Rahul Pandhi(Director)Peter Dewire(Executive Officer, Director)George Batsakis(Executive Officer, Director)Jerad Speigel(Executive Officer, Director)Mina Faltas(Executive Officer, Director)
Board seatJim FlemingPatrick Hendy· per SEC Form D · $30M raise · filed Feb 2022
BillingPlatform provides a cloud-based platform for managing the complete revenue lifecycle, including order capture, billing, payments, and customer service, with AI-powered automation and insights for enterprise customers.
Enterprise SoftwareFintechSaaS
Chantilly, US
Michael Beach(Executive Officer)ED HART(Director)DAVID GUTTADAURO(Executive Officer, Director)ROGER NOVAK(Director)
BoardJIM FLEMING(Director)
Elastic provides endpoint security software that detects, investigates, and responds to threats using AI-driven analytics and behavior-based prevention.
AI & Machine LearningCybersecurityEnterprise SoftwareArlington, US
David Cowan(Director)Mark Snell(Executive Officer)Chris Darby(Director)Kenneth A. Minihan(Director)Thomas E. Noonan(Director)Arun Gupta(Director)
Groundswell provides digital modernization and IT solutions to U.S.
Cloud ComputingEnterprise SoftwareGovTech
Middleburg, US
Trowbridge M. Littleton(Executive Officer, Director)J. Bradley Davis(Executive Officer, Director)Daniel S. Olmes(Executive Officer, Director)
Alexandria, US
Monish Kundra(Executive Officer, Director)Donald A. Doering(Executive Officer)James Fleming(Executive Officer, Director)
Lemongrass provides AI-driven SAP modernization and cloud migration services for enterprises, helping them move from ECC to S/4HANA and RISE with SAP.
AI & Machine LearningCloud ComputingEnterprise Software
Nordicom Technologies is an IT solutions provider that deploys and manages enterprise technology and communication solutions including cybersecurity, cloud infrastructure, IoT, and network services.
Cloud ComputingCybersecurityEnterprise Software
Quvia provides an edge-to-cloud network platform that delivers visibility and control over network performance in bandwidth-constrained environments, using AI to orchestrate data and connectivity across satellite, terrestrial, and hybrid networks.
AI & Machine LearningData & InfrastructureEnterprise Software
SummitIG builds custom fiber networks and dark fiber infrastructure for data center connectivity and enterprise network solutions.
Data & InfrastructureNorthern Virginia, US
Telarus is a technology services distributor that provides advisors with access to a portfolio of over 400 vetted technology suppliers, along with engineering expertise, sales support, and tools to help them grow their consulting practices.
B2B MarketplacesEnterprise SoftwareSaaS
Teraco operates Africa's largest data centre environment providing server colocation, connectivity, and hybrid IT infrastructure services.
Cloud ComputingData & InfrastructureSouth Africa, ZA
PartnerPatrick Hendy· led
A membership platform for high-performing sales professionals and sales organizations, offering community, development programs, and resources to advance careers and team performance.
Sales Tech
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Frequently asked questions
- What stage does Columbia Capital invest at?
- Columbia Capital invests at the Series B, Series C, Growth, Late Stage stages.
- What is Columbia Capital's typical check size?
- Columbia Capital typically writes checks of $15M – $40M.
- What sectors does Columbia Capital focus on?
- Columbia Capital focuses on Cybersecurity, Data & Infrastructure, Enterprise Software, IoT, Media & Entertainment, Mobility & Transportation, SaaS.
- Where is Columbia Capital located?
- Columbia Capital is headquartered in Alexandria, US.
- Does Columbia Capital lead rounds?
- Yes, Columbia Capital leads investment rounds.
Media · Podcasts & interviews
featuring the teamBandwidth: John Siegel, Partner at Columbia Capital
The Bear Roars · John Siegel
The Fiber Optic Future With John Siegel of Columbia Capital
Cool Vector · John Siegel
Images
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