Accel

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.

Casey Aylward

Partner

Nir Blumberger

Venture Partner

Luca Bocchio

Partner

Katie Brown

Investor

Ethan Choi

Partner

Miles Clements

Partner

Adrian Colyer

Venture Partner

Ben Dooley

CFO

Peter Doyle

Investor

Christine Esserman

Partner

Ben Fletcher

Partner

Sameer Gandhi

Partner

Graham Hutson

Investor

Sara Ittelson

Partner

Myrel Iturrey

Investor

Dinesh Katiyar

Partner

Richard Kotite

Vice President

Gagan Kumar

General 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

Maya Noeth

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

Jess Segal

Partner, Investor Relation

Ajay Sethi

Venture Partner

Karan Shah

Investor

Manasi Shah

Vice President and Investment Team Member

Sarthak Singh

Investor

Robert Sternberg

Investor

Charles Tananbaum

Investor

Humza Tariq

Investor

Jonathan Turner

Partner

Cecilia Wang

Vice President and Investor

Ivan Zhou

Partner

Past deals in Email

Gem

Series C in 2021
Gem is a comprehensive recruiting platform that integrates seamlessly with LinkedIn, Gmail, Outlook, and applicant tracking systems, designed to enhance the efficiency of talent acquisition teams. It allows recruiters to compile targeted lists, find email addresses, and automate follow-up communications, significantly improving response rates and saving time. The platform provides visibility into the entire hiring funnel by automatically tracking each touchpoint and offering insights into potential biases related to gender, race, and ethnicity throughout the interview process. This data-driven approach enables teams to collaborate effectively, ensuring that no candidate is contacted multiple times. Additionally, managers gain insights into their team's recruiting pipeline, with all interactions and activities synchronized for optimal data integrity.

Tessian

Series C in 2021
Tessian Limited is a provider of an advanced email security platform that addresses human error in data handling, significantly reducing the risk of data loss. The platform employs machine learning and artificial intelligence to identify when emails are mistakenly sent to unintended recipients, alerting the sender in real time to allow corrections. It features tools such as CheckRecipient Guardian and CheckRecipient RuleBuilder, which enhance organizational control over email communications. Tessian’s technology is designed to analyze email networks and prevent the transmission of sensitive information to the wrong individuals, thereby safeguarding against threats like data exfiltration, business email compromise, and phishing attacks. The company serves various sectors, including legal services, healthcare, investment management, and technology. Founded in 2013 and headquartered in London, Tessian also has an office in San Francisco and is supported by prominent investors.

Klaviyo

Series D in 2021
Klaviyo, Inc. is a technology company headquartered in Boston, Massachusetts, with an additional office in London, United Kingdom. Founded in 2012, Klaviyo specializes in providing an email marketing software platform designed to help businesses grow through effective marketing automation. Its features include a library of best practice emails, segmentation tools, analytics, customer profiles, and support for various campaigns such as abandoned cart reminders and personalized follow-ups. Klaviyo's platform integrates with customer data sources to deliver tailored messaging across email, SMS, and push notifications, enabling businesses to engage with customers at the right time. The company utilizes machine learning and artificial intelligence to enhance its services and measures performance to optimize marketing efforts. Klaviyo generates revenue through subscription sales for its software-as-a-service platform, focusing primarily on the eCommerce sector.

Klaviyo

Series C in 2020
Klaviyo, Inc. is a technology company headquartered in Boston, Massachusetts, with an additional office in London, United Kingdom. Founded in 2012, Klaviyo specializes in providing an email marketing software platform designed to help businesses grow through effective marketing automation. Its features include a library of best practice emails, segmentation tools, analytics, customer profiles, and support for various campaigns such as abandoned cart reminders and personalized follow-ups. Klaviyo's platform integrates with customer data sources to deliver tailored messaging across email, SMS, and push notifications, enabling businesses to engage with customers at the right time. The company utilizes machine learning and artificial intelligence to enhance its services and measures performance to optimize marketing efforts. Klaviyo generates revenue through subscription sales for its software-as-a-service platform, focusing primarily on the eCommerce sector.

Bird

Series C in 2020
MessageBird B.V. is a cloud communications platform that provides software solutions for customer communication, including voice services, SMS, email, and two-factor authentication. Founded in 2011 and headquartered in Amsterdam, the company operates additional offices in major cities such as San Francisco, London, and Singapore. MessageBird aims to simplify customer communication by offering a comprehensive suite of APIs that enable enterprises to connect reliably with their global customers. With its own telecommunications carrier infrastructure, MessageBird serves over 15,000 businesses, ensuring fast and dependable communication through SMS, voice, and chat services. The company has garnered significant attention and investment, including a notable $60 million Series A funding round in 2017, underscoring its position as a leading player in the European software industry.

Gem

Series B in 2020
Gem is a comprehensive recruiting platform that integrates seamlessly with LinkedIn, Gmail, Outlook, and applicant tracking systems, designed to enhance the efficiency of talent acquisition teams. It allows recruiters to compile targeted lists, find email addresses, and automate follow-up communications, significantly improving response rates and saving time. The platform provides visibility into the entire hiring funnel by automatically tracking each touchpoint and offering insights into potential biases related to gender, race, and ethnicity throughout the interview process. This data-driven approach enables teams to collaborate effectively, ensuring that no candidate is contacted multiple times. Additionally, managers gain insights into their team's recruiting pipeline, with all interactions and activities synchronized for optimal data integrity.

Amitree

Series B in 2019
Amitree, Inc. is a technology company based in San Francisco, California, founded in 2012. It offers an online tool designed to streamline the home buying process for buyers and real estate professionals. Its flagship product, Folio, acts as an AI-powered email assistant that organizes emails, attachments, contacts, and key dates, effectively transforming chaotic email communication into a structured deal organizer and project manager. This technology aims to enhance productivity by reducing the administrative burden on users, allowing them to focus on the more human aspects of their work. Amitree's solutions serve both individual buyers and real estate agents, facilitating better lead activation and customer guidance throughout the home buying journey.

Gem

Series A in 2019
Gem is a comprehensive recruiting platform that integrates seamlessly with LinkedIn, Gmail, Outlook, and applicant tracking systems, designed to enhance the efficiency of talent acquisition teams. It allows recruiters to compile targeted lists, find email addresses, and automate follow-up communications, significantly improving response rates and saving time. The platform provides visibility into the entire hiring funnel by automatically tracking each touchpoint and offering insights into potential biases related to gender, race, and ethnicity throughout the interview process. This data-driven approach enables teams to collaborate effectively, ensuring that no candidate is contacted multiple times. Additionally, managers gain insights into their team's recruiting pipeline, with all interactions and activities synchronized for optimal data integrity.

Tessian

Series B in 2019
Tessian Limited is a provider of an advanced email security platform that addresses human error in data handling, significantly reducing the risk of data loss. The platform employs machine learning and artificial intelligence to identify when emails are mistakenly sent to unintended recipients, alerting the sender in real time to allow corrections. It features tools such as CheckRecipient Guardian and CheckRecipient RuleBuilder, which enhance organizational control over email communications. Tessian’s technology is designed to analyze email networks and prevent the transmission of sensitive information to the wrong individuals, thereby safeguarding against threats like data exfiltration, business email compromise, and phishing attacks. The company serves various sectors, including legal services, healthcare, investment management, and technology. Founded in 2013 and headquartered in London, Tessian also has an office in San Francisco and is supported by prominent investors.

Tessian

Series A in 2018
Tessian Limited is a provider of an advanced email security platform that addresses human error in data handling, significantly reducing the risk of data loss. The platform employs machine learning and artificial intelligence to identify when emails are mistakenly sent to unintended recipients, alerting the sender in real time to allow corrections. It features tools such as CheckRecipient Guardian and CheckRecipient RuleBuilder, which enhance organizational control over email communications. Tessian’s technology is designed to analyze email networks and prevent the transmission of sensitive information to the wrong individuals, thereby safeguarding against threats like data exfiltration, business email compromise, and phishing attacks. The company serves various sectors, including legal services, healthcare, investment management, and technology. Founded in 2013 and headquartered in London, Tessian also has an office in San Francisco and is supported by prominent investors.

Bird

Series A in 2017
MessageBird B.V. is a cloud communications platform that provides software solutions for customer communication, including voice services, SMS, email, and two-factor authentication. Founded in 2011 and headquartered in Amsterdam, the company operates additional offices in major cities such as San Francisco, London, and Singapore. MessageBird aims to simplify customer communication by offering a comprehensive suite of APIs that enable enterprises to connect reliably with their global customers. With its own telecommunications carrier infrastructure, MessageBird serves over 15,000 businesses, ensuring fast and dependable communication through SMS, voice, and chat services. The company has garnered significant attention and investment, including a notable $60 million Series A funding round in 2017, underscoring its position as a leading player in the European software industry.

Amitree

Series A in 2017
Amitree, Inc. is a technology company based in San Francisco, California, founded in 2012. It offers an online tool designed to streamline the home buying process for buyers and real estate professionals. Its flagship product, Folio, acts as an AI-powered email assistant that organizes emails, attachments, contacts, and key dates, effectively transforming chaotic email communication into a structured deal organizer and project manager. This technology aims to enhance productivity by reducing the administrative burden on users, allowing them to focus on the more human aspects of their work. Amitree's solutions serve both individual buyers and real estate agents, facilitating better lead activation and customer guidance throughout the home buying journey.

Gem

Seed Round in 2017
Gem is a comprehensive recruiting platform that integrates seamlessly with LinkedIn, Gmail, Outlook, and applicant tracking systems, designed to enhance the efficiency of talent acquisition teams. It allows recruiters to compile targeted lists, find email addresses, and automate follow-up communications, significantly improving response rates and saving time. The platform provides visibility into the entire hiring funnel by automatically tracking each touchpoint and offering insights into potential biases related to gender, race, and ethnicity throughout the interview process. This data-driven approach enables teams to collaborate effectively, ensuring that no candidate is contacted multiple times. Additionally, managers gain insights into their team's recruiting pipeline, with all interactions and activities synchronized for optimal data integrity.

Tessian

Seed Round in 2017
Tessian Limited is a provider of an advanced email security platform that addresses human error in data handling, significantly reducing the risk of data loss. The platform employs machine learning and artificial intelligence to identify when emails are mistakenly sent to unintended recipients, alerting the sender in real time to allow corrections. It features tools such as CheckRecipient Guardian and CheckRecipient RuleBuilder, which enhance organizational control over email communications. Tessian’s technology is designed to analyze email networks and prevent the transmission of sensitive information to the wrong individuals, thereby safeguarding against threats like data exfiltration, business email compromise, and phishing attacks. The company serves various sectors, including legal services, healthcare, investment management, and technology. Founded in 2013 and headquartered in London, Tessian also has an office in San Francisco and is supported by prominent investors.

Amitree

Seed Round in 2014
Amitree, Inc. is a technology company based in San Francisco, California, founded in 2012. It offers an online tool designed to streamline the home buying process for buyers and real estate professionals. Its flagship product, Folio, acts as an AI-powered email assistant that organizes emails, attachments, contacts, and key dates, effectively transforming chaotic email communication into a structured deal organizer and project manager. This technology aims to enhance productivity by reducing the administrative burden on users, allowing them to focus on the more human aspects of their work. Amitree's solutions serve both individual buyers and real estate agents, facilitating better lead activation and customer guidance throughout the home buying journey.

Xoopit

Series A in 2008
Xoopit is an email organizational tool designed to enhance the way users manage their email content. It employs an innovative indexing architecture similar to that of a web search engine, enabling users to efficiently retrieve meaningful information from their archived emails. Xoopit offers several features, including comprehensive email content search, the ability to incorporate links and maps from the web into emails, and a visual display of relevant information about senders in a conversation thread, such as profile pictures, recent exchanges, and shared attachments. By integrating personal indexing and search capabilities into everyday applications like webmail, Xoopit facilitates the browsing and sharing of files, photos, and videos, ultimately improving users' email management experience.

Zimbra

Series C in 2006
Zimbra is a developer of open-source email and collaboration software, catering to service providers, enterprises, and government organizations. Founded in 2003 and headquartered in Frisco, Texas, with additional offices in San Mateo, London, Tokyo, Singapore, and Pune, Zimbra offers solutions designed to enhance communication and data management. Its flagship product, Zimbra Collaboration Server, addresses the challenges posed by outdated communication infrastructures, providing integrated email, calendar, and collaboration capabilities. Additionally, Zimbra Desktop allows users to consolidate information from various accounts, including Zimbra, Yahoo Mail, Gmail, and Hotmail. By focusing on secure and private data management, Zimbra helps organizations effectively organize and control their communications and information.

Responsys

Series E in 2003
Responsys is a marketing cloud software and services company based in San Bruno, California, with a global presence. Established in 1998 and acquired by Oracle in 2013, Responsys specializes in enabling brands to effectively manage their digital marketing relationships. Their flagship product, the Responsys Interact Marketing Cloud, allows businesses to design, execute, and manage comprehensive email and cross-channel marketing campaigns. By integrating customer data analysis with targeted interaction systems, Responsys empowers enterprises to automate and personalize their marketing efforts at scale. This approach helps organizations deliver the right marketing messages across various platforms, including email, mobile, social media, and web, thereby enhancing customer engagement and competitive advantage.

Responsys

Series C in 2001
Responsys is a marketing cloud software and services company based in San Bruno, California, with a global presence. Established in 1998 and acquired by Oracle in 2013, Responsys specializes in enabling brands to effectively manage their digital marketing relationships. Their flagship product, the Responsys Interact Marketing Cloud, allows businesses to design, execute, and manage comprehensive email and cross-channel marketing campaigns. By integrating customer data analysis with targeted interaction systems, Responsys empowers enterprises to automate and personalize their marketing efforts at scale. This approach helps organizations deliver the right marketing messages across various platforms, including email, mobile, social media, and web, thereby enhancing customer engagement and competitive advantage.

Brightmail

Series C in 2000
Brightmail was an e-mail filtering company in the United States. The company specialized in anti-spam products designed to protect email networks of businesses, government agencies, and service providers, by blocking unsolicited bulk email. The company was [acquired](http://www.symantec.com/press/2004/n040519.html) by [Symantec](/organization/symantec) on May 9, 2004.

Responsys

Series B in 2000
Responsys is a marketing cloud software and services company based in San Bruno, California, with a global presence. Established in 1998 and acquired by Oracle in 2013, Responsys specializes in enabling brands to effectively manage their digital marketing relationships. Their flagship product, the Responsys Interact Marketing Cloud, allows businesses to design, execute, and manage comprehensive email and cross-channel marketing campaigns. By integrating customer data analysis with targeted interaction systems, Responsys empowers enterprises to automate and personalize their marketing efforts at scale. This approach helps organizations deliver the right marketing messages across various platforms, including email, mobile, social media, and web, thereby enhancing customer engagement and competitive advantage.

Responsys

Series A in 1999
Responsys is a marketing cloud software and services company based in San Bruno, California, with a global presence. Established in 1998 and acquired by Oracle in 2013, Responsys specializes in enabling brands to effectively manage their digital marketing relationships. Their flagship product, the Responsys Interact Marketing Cloud, allows businesses to design, execute, and manage comprehensive email and cross-channel marketing campaigns. By integrating customer data analysis with targeted interaction systems, Responsys empowers enterprises to automate and personalize their marketing efforts at scale. This approach helps organizations deliver the right marketing messages across various platforms, including email, mobile, social media, and web, thereby enhancing customer engagement and competitive advantage.
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