Accel, established in 1983, is a prominent venture capital firm headquartered in Palo Alto, California, with additional offices in San Francisco, London, and Bangalore. The firm specializes in investing in early and growth-stage technology startups, focusing on sectors such as software, cloud technologies, consumer services, enterprise, healthcare, fintech, and security. Accel's portfolio includes notable companies like Atlassian, Facebook, Slack, and Spotify, reflecting its ability to identify and support entrepreneurs building businesses that drive next-generation industries.
1 New Burlington Place, 6th Floor, London W1S 2HR, UK
Casey Aylward
Partner
Mahendran Balachandran
Partner, India
Luca Bocchio
Partner
Andrei Brasoveanu
Partner
Katie Brown
Investor
Ethan Choi
Partner
Miles Clements
Partner
Adrian Colyer
Venture Partner
Kevin Comolli
Partner
Ben Dooley
CFO
Peter Doyle
Investor
Christine Esserman
Partner
Sameer Gandhi
Partner
Sara Ittelson
Partner
Myrel Iturrey
Investor
Dinesh Katiyar
Partner
Richard Kotite
Vice President
Gagan Kumar
General Partner
Daniel Levine
Partner
John Locke
Partner
Zhenya Loginov
Partner
Steve Loughlin
Partner
Arun Mathew
Partner
Jonathan Mendelson
Investor
Subrata Mitra
Partner
Gonzalo Mocorrea
Investor
Vasant Natarajan
Partner
Vas Natarajan
Partner
Harry Nelis
Partner
Nate Niparko
Partner
Rachit Parekh
Investor
Vijaysai Patnaik
Associate
Varun Purandare
Principal and Investor
Ben Quazzo
Investor, Venture and Growth
Rafael Quintanilla Loeillet
Early-Stage Investor
Tim Rawlinson
Investor - Growth
Matthew Robinson
Investor
Sagar Sanghvi
Partner
Tracy Sedlock
Chief Operating Partner
Karan Shah
Investor
Manasi Shah
Vice President and Investment Team Member
Sarthak Singh
Investor
Robert Sternberg
Investor
Barath Shankar Subramanian
Senior Analyst
Charles Tananbaum
Investor
Humza Tariq
Investor
Jonathan Turner
Partner
Cecilia Wang
Vice President and Investor
Matt Weigand
Partner
Richard Wong
Partner
Ivan Zhou
Partner
Past deals in Penetration Testing
Vega Security
Series A in 2025
Vega Security is a cybersecurity firm specializing in detecting cyberattacks. Operating discreetly, it offers services to help businesses identify and respond to potential threats in their digital environments.
Blackpoint Cyber
Series C in 2023
Blackpoint Holdings, LLC, founded in 2014 and based in Ellicott City, Maryland, specializes in cybersecurity products and services designed to safeguard organizational infrastructure and operations. The company offers a range of solutions, including Blackpoint RISK, a cyber liability insurance product that protects against incidents such as cyber-crime and ransomware. Its flagship platform, SNAP-Defense, provides advanced threat detection and response capabilities, allowing organizations to identify and neutralize threats at their earliest stages. The platform's real-time monitoring delivers alerts directly to the user interface, enabling quick action to contain affected devices. Additionally, SNAP-Defense supports deep data analysis, enhancing the user experience with its intuitive design. Blackpoint's comprehensive approach to cybersecurity enables clients to fortify their defenses and effectively manage potential threats.
Tenable
Series B in 2015
Tenable Holdings, Inc., established in 2002 and headquartered in Columbia, Maryland, specializes in cybersecurity solutions. The company's core business is providing an enterprise software platform that offers visibility into an organization's cyber exposure across diverse attack surfaces, from traditional IT assets to modern IT and operational technology environments. Tenable's platform, which includes Tenable.io (SaaS) and Tenable.sc (on-premises), helps businesses translate vulnerability data into actionable insights to manage and reduce cybersecurity risks effectively. The company has expanded its portfolio to include cloud security, active directory management, operational technology security, and advanced vulnerability analytics. Tenable also manages an early-stage venture capital fund, Tenable Ventures, focused on investing in cybersecurity risk management sectors.
Aorato
Series A in 2014
Aorato specializes in cybersecurity by offering a solution that protects organizations and their Active Directory systems. Its Directory Services Application Firewall (DAF) is designed to automatically learn, profile, and predict the behavior of various entities within the network, including both privileged and non-privileged users, devices, and servers. This innovative approach addresses the evolving threat landscape where attackers target multiple entry points to compromise networks. DAF detects suspicious activities by continuously analyzing behavior patterns, ensuring a proactive defense against advanced attacks. Notably, DAF operates in a non-intrusive manner, remaining transparent to Active Directory, which allows organizations to maintain their operational integrity while enhancing security measures.
Tenable
Series A in 2012
Tenable Holdings, Inc., established in 2002 and headquartered in Columbia, Maryland, specializes in cybersecurity solutions. The company's core business is providing an enterprise software platform that offers visibility into an organization's cyber exposure across diverse attack surfaces, from traditional IT assets to modern IT and operational technology environments. Tenable's platform, which includes Tenable.io (SaaS) and Tenable.sc (on-premises), helps businesses translate vulnerability data into actionable insights to manage and reduce cybersecurity risks effectively. The company has expanded its portfolio to include cloud security, active directory management, operational technology security, and advanced vulnerability analytics. Tenable also manages an early-stage venture capital fund, Tenable Ventures, focused on investing in cybersecurity risk management sectors.
Imperva
Series D in 2008
Imperva, Inc. is a cybersecurity company based in Redwood Shores, California, that specializes in protecting critical business data and applications across cloud and on-premises environments. Founded in 2002, Imperva develops a range of security solutions, including its SecureSphere product line, which offers database, file, and web application security. The company’s services also include Incapsula, which provides cloud-based website security and distributed denial of service protection, as well as ThreatRadar for crowdsourced security intelligence. Additionally, CounterBreach safeguards enterprise data against loss from compromised users, and Imperva Camouflage Data Masking allows for the secure use of sensitive information in development and testing. Imperva serves various sectors, including finance, healthcare, retail, and telecommunications, through a network of distributors and resellers, while also offering ongoing support and professional services.
Imperva
Series C in 2006
Imperva, Inc. is a cybersecurity company based in Redwood Shores, California, that specializes in protecting critical business data and applications across cloud and on-premises environments. Founded in 2002, Imperva develops a range of security solutions, including its SecureSphere product line, which offers database, file, and web application security. The company’s services also include Incapsula, which provides cloud-based website security and distributed denial of service protection, as well as ThreatRadar for crowdsourced security intelligence. Additionally, CounterBreach safeguards enterprise data against loss from compromised users, and Imperva Camouflage Data Masking allows for the secure use of sensitive information in development and testing. Imperva serves various sectors, including finance, healthcare, retail, and telecommunications, through a network of distributors and resellers, while also offering ongoing support and professional services.
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