Madrona Venture Group

Madrona Venture Group is a Seattle-based venture capital firm founded in 1995 that backs technology and consumer startups from seed through growth stages. It focuses on information technology, software, digital media and advertising, e-commerce, data analytics, fintech, cloud, mobile, and AI, as well as related infrastructure, hardware, and robotics. The firm primarily targets companies in the Pacific Northwest and the broader West Coast, and often leads investments with a goal of taking board seats to help portfolio companies scale from early development to market leadership.

Tom Alberg

Co-Founder and Managing Director

Loren Alhadeff

Venture Partner

Jennifer Chambers

Administrative Partner

Troy Cichos JD

Partner

Hope Cochran

Venture Partner

Jack Creighton

Strategic Director

Aseem Datar

Partner

Patrick J. Ennis

Venture Partner

Maggie Finch

Partner

Maria Gilfoyle

Investor

Palak Goel

Investor

Paul Goodrich

Managing Director

Gerald Grinstein

Co-Founder and Strategic Director

Joseph Horsman

Investor

Scott Jacobson

Managing Director

Len Jordan

Managing Director

Ted Kummert

Venture Partner

Daniel Li

Venture Partner

Matthew McIlwain

Managing Director

Karan Mehandru

Managing Director

Mark T. Nelson

Venture Partner

Babak Parviz

Venture Partner

James Phillips

Strategic Director

Chris Picardo

Partner

Tim Porter

Managing Director

Vivek Ramaswami

Partner

Bill Richter

Venture Partner

William Ruckelshaus

Strategic Director

Siddharth Shenai JD

Venture Partner

Steve Singh

Managing Director

Soma Somasegar

Managing Director

John Torrey

Venture Partner

Jon Turow

Partner

Ishani Ummat

Investor

Dan Weld

Venture Partner

Past deals in Network Security

Eclypsium

Series C in 2025
Eclypsium develops a cloud-based platform that secures the unprotected firmware and hardware layer of enterprises. Its solution safeguards laptops, servers, and networking infrastructure against threats originating below the operating system.

Eclypsium

Series C in 2024
Eclypsium develops a cloud-based platform that secures the unprotected firmware and hardware layer of enterprises. Its solution safeguards laptops, servers, and networking infrastructure against threats originating below the operating system.

Eclypsium

Series B in 2022
Eclypsium develops a cloud-based platform that secures the unprotected firmware and hardware layer of enterprises. Its solution safeguards laptops, servers, and networking infrastructure against threats originating below the operating system.

Eclypsium

Series B in 2020
Eclypsium develops a cloud-based platform that secures the unprotected firmware and hardware layer of enterprises. Its solution safeguards laptops, servers, and networking infrastructure against threats originating below the operating system.

Eclypsium

Convertible Note in 2020
Eclypsium develops a cloud-based platform that secures the unprotected firmware and hardware layer of enterprises. Its solution safeguards laptops, servers, and networking infrastructure against threats originating below the operating system.

Tigera

Series B in 2018
Tigera offers Calico, a unified network security and observability platform for Kubernetes clusters. Its open-source solution, Calico Open Source, is widely adopted, powering over 100 million containers across millions of nodes worldwide. Tigera's software provides secure application connectivity across public clouds and on-premises environments.

Eclypsium

Series A in 2018
Eclypsium develops a cloud-based platform that secures the unprotected firmware and hardware layer of enterprises. Its solution safeguards laptops, servers, and networking infrastructure against threats originating below the operating system.

Tigera

Series A in 2018
Tigera offers Calico, a unified network security and observability platform for Kubernetes clusters. Its open-source solution, Calico Open Source, is widely adopted, powering over 100 million containers across millions of nodes worldwide. Tigera's software provides secure application connectivity across public clouds and on-premises environments.

Versive

Series C in 2017
Versive develops AI-based applications for enterprises to manage cybersecurity threats. Its core product, Versive Security Engine, automates detection of advanced persistent threats, insider threats, and data exfiltration, empowering security teams to act swiftly and effectively.

Icebrg

Series A in 2016
Icebrg is a network security software company founded in 2014 and headquartered in Seattle, Washington. It offers a machine-recognition-based platform that facilitates the deployment of enterprise-level security without the need for custom coding. This technology is designed to protect both proprietary and consumer data, allowing organizations and governments to respond swiftly to security threats. Icebrg's platform aims to reduce risk and improve response times by providing real-time forensics, enhancing the overall effectiveness of security measures.

Icebrg

Seed Round in 2014
Icebrg is a network security software company founded in 2014 and headquartered in Seattle, Washington. It offers a machine-recognition-based platform that facilitates the deployment of enterprise-level security without the need for custom coding. This technology is designed to protect both proprietary and consumer data, allowing organizations and governments to respond swiftly to security threats. Icebrg's platform aims to reduce risk and improve response times by providing real-time forensics, enhancing the overall effectiveness of security measures.

ExtraHop Networks

Series C in 2014
ExtraHop Networks, Inc. specializes in real-time wire data analytics solutions that enhance application and infrastructure monitoring for organizations. Founded in 2007 and based in Seattle, Washington, ExtraHop offers its ExtraHop platform, which provides operational intelligence to IT teams, enabling them to proactively identify and resolve issues, collaborate effectively, and support various IT initiatives. The company's offerings include the ExtraHop Addy cloud service, which utilizes machine learning to deliver real-time insights, and Reveal(x) 360, a SaaS-based solution designed for network detection and response across multicloud and hybrid environments. ExtraHop's technology supports a wide range of sectors, including healthcare, finance, retail, and government, by facilitating threat detection, investigation, and compliance. The company also provides professional services, training, and support to ensure effective deployment and utilization of its solutions.

Versive

Series B in 2014
Versive develops AI-based applications for enterprises to manage cybersecurity threats. Its core product, Versive Security Engine, automates detection of advanced persistent threats, insider threats, and data exfiltration, empowering security teams to act swiftly and effectively.

ExtraHop Networks

Series C in 2013
ExtraHop Networks, Inc. specializes in real-time wire data analytics solutions that enhance application and infrastructure monitoring for organizations. Founded in 2007 and based in Seattle, Washington, ExtraHop offers its ExtraHop platform, which provides operational intelligence to IT teams, enabling them to proactively identify and resolve issues, collaborate effectively, and support various IT initiatives. The company's offerings include the ExtraHop Addy cloud service, which utilizes machine learning to deliver real-time insights, and Reveal(x) 360, a SaaS-based solution designed for network detection and response across multicloud and hybrid environments. ExtraHop's technology supports a wide range of sectors, including healthcare, finance, retail, and government, by facilitating threat detection, investigation, and compliance. The company also provides professional services, training, and support to ensure effective deployment and utilization of its solutions.

Versive

Series A in 2013
Versive develops AI-based applications for enterprises to manage cybersecurity threats. Its core product, Versive Security Engine, automates detection of advanced persistent threats, insider threats, and data exfiltration, empowering security teams to act swiftly and effectively.

Versive

Seed Round in 2012
Versive develops AI-based applications for enterprises to manage cybersecurity threats. Its core product, Versive Security Engine, automates detection of advanced persistent threats, insider threats, and data exfiltration, empowering security teams to act swiftly and effectively.

Versive

Seed Round in 2012
Versive develops AI-based applications for enterprises to manage cybersecurity threats. Its core product, Versive Security Engine, automates detection of advanced persistent threats, insider threats, and data exfiltration, empowering security teams to act swiftly and effectively.

ExtraHop Networks

Series B in 2011
ExtraHop Networks, Inc. specializes in real-time wire data analytics solutions that enhance application and infrastructure monitoring for organizations. Founded in 2007 and based in Seattle, Washington, ExtraHop offers its ExtraHop platform, which provides operational intelligence to IT teams, enabling them to proactively identify and resolve issues, collaborate effectively, and support various IT initiatives. The company's offerings include the ExtraHop Addy cloud service, which utilizes machine learning to deliver real-time insights, and Reveal(x) 360, a SaaS-based solution designed for network detection and response across multicloud and hybrid environments. ExtraHop's technology supports a wide range of sectors, including healthcare, finance, retail, and government, by facilitating threat detection, investigation, and compliance. The company also provides professional services, training, and support to ensure effective deployment and utilization of its solutions.

Mobilisafe

Venture Round in 2011
Mobilisafe, founded in 2010 by Giri Sreenivas and Dirk Sigurdson, specializes in IT security software focused on mobile device management. The company offers a straightforward yet effective solution that enables organizations to assess and manage the risks associated with personal mobile devices connecting to their corporate networks. Currently, Mobilisafe is in a private beta phase, serving a diverse range of customers and positioning itself as a reliable authority on device trustworthiness.

ExtraHop Networks

Series A in 2009
ExtraHop Networks, Inc. specializes in real-time wire data analytics solutions that enhance application and infrastructure monitoring for organizations. Founded in 2007 and based in Seattle, Washington, ExtraHop offers its ExtraHop platform, which provides operational intelligence to IT teams, enabling them to proactively identify and resolve issues, collaborate effectively, and support various IT initiatives. The company's offerings include the ExtraHop Addy cloud service, which utilizes machine learning to deliver real-time insights, and Reveal(x) 360, a SaaS-based solution designed for network detection and response across multicloud and hybrid environments. ExtraHop's technology supports a wide range of sectors, including healthcare, finance, retail, and government, by facilitating threat detection, investigation, and compliance. The company also provides professional services, training, and support to ensure effective deployment and utilization of its solutions.

ExtraHop Networks

Seed Round in 2007
ExtraHop Networks, Inc. specializes in real-time wire data analytics solutions that enhance application and infrastructure monitoring for organizations. Founded in 2007 and based in Seattle, Washington, ExtraHop offers its ExtraHop platform, which provides operational intelligence to IT teams, enabling them to proactively identify and resolve issues, collaborate effectively, and support various IT initiatives. The company's offerings include the ExtraHop Addy cloud service, which utilizes machine learning to deliver real-time insights, and Reveal(x) 360, a SaaS-based solution designed for network detection and response across multicloud and hybrid environments. ExtraHop's technology supports a wide range of sectors, including healthcare, finance, retail, and government, by facilitating threat detection, investigation, and compliance. The company also provides professional services, training, and support to ensure effective deployment and utilization of its solutions.

Wireless Services Corporation

Series B in 2004
Wireless Services Corporation offers advanced data solutions for wireless carriers.

Aventail

Series E in 2001
Aventail is a Seattle, Washington provider of technology that allows employees to remotely access their corporate network. They were acquired by SonicWALL in June of 2007.

Aventail

Series E in 2001
Aventail is a Seattle, Washington provider of technology that allows employees to remotely access their corporate network. They were acquired by SonicWALL in June of 2007.

Wireless Services Corporation

Venture Round in 2000
Wireless Services Corporation offers advanced data solutions for wireless carriers.

Rendition Networks

Series B in 2000
Rendition Networks is a U.S.-based company founded in 1998 that specializes in network device automation technologies and network configuration control software. Its primary offering, the TrueControl solution, provides users with real-time insights into changing activities within their networks. The company was acquired by Opsware on December 2, 2004.
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