Greylock Partners

Founded in 1965, Greylock Partners is a venture capital firm investing in consumer and enterprise software companies. It focuses on seed to growth-stage investments, with notable portfolio companies including Airbnb, Facebook, LinkedIn, and Palo Alto Networks.

Jacob Andreou

General Partner

Joseph Ansanelli

Partner

Aneel Bhusri

Partner

Asheem Chandna

Partner

Gerald Chen

Partner

Jerry Chen

Partner

Hadar Dor

Greylock Scout (inaugural cohort)

Mike Duboe

General Partner

Roger Evans

Partner

Maya Frai

Investor

Tom Frangione

COO

Lee Haney

Partner and Head of CXO Partnerships

Bill Helman

Partner

Bob Henderson

Special Limited Partner

Christine Kim

Investor

Josh Mcfarland

Partner

Saam Motamedi

General Partner

Sridhar Ramaswamy

Venture Partner

Corinne Riley

Investor

Jason Risch

Investor

Seth Rosenberg

Investor

James Slavet

Venture Partner

Dave Strohm

Partner

Mustafa Suleyman

Venture Partner

Don Sullivan

Partner

David Thacker

General Partner

Peter Thorne

Investor

David Wadhwani

Venture Partner

Past deals in Email

Abnormal Security

Series D in 2024
Abnormal Security Corporation is a San Francisco-based company that specializes in cloud-based email security solutions for Microsoft Office 365 and G Suite. Founded in 2018, the company provides a comprehensive platform designed to protect enterprises from targeted email attacks. Utilizing a data science approach, Abnormal Security offers features such as inbound email protection, detection of email account compromises, and response capabilities. Its technology includes Abnormal Behavior Technology, which models identities of both employees and external senders, profiles relationships, and analyzes email content to prevent threats like credential phishing, internal phishing, employee impersonation, and invoice fraud. The company primarily serves industries including financial services, healthcare, and oil, gas, and utilities, aiming to mitigate risks related to account takeovers and financial losses.

Abnormal Security

Series C in 2022
Abnormal Security Corporation is a San Francisco-based company that specializes in cloud-based email security solutions for Microsoft Office 365 and G Suite. Founded in 2018, the company provides a comprehensive platform designed to protect enterprises from targeted email attacks. Utilizing a data science approach, Abnormal Security offers features such as inbound email protection, detection of email account compromises, and response capabilities. Its technology includes Abnormal Behavior Technology, which models identities of both employees and external senders, profiles relationships, and analyzes email content to prevent threats like credential phishing, internal phishing, employee impersonation, and invoice fraud. The company primarily serves industries including financial services, healthcare, and oil, gas, and utilities, aiming to mitigate risks related to account takeovers and financial losses.

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.

Abnormal Security

Series B in 2020
Abnormal Security Corporation is a San Francisco-based company that specializes in cloud-based email security solutions for Microsoft Office 365 and G Suite. Founded in 2018, the company provides a comprehensive platform designed to protect enterprises from targeted email attacks. Utilizing a data science approach, Abnormal Security offers features such as inbound email protection, detection of email account compromises, and response capabilities. Its technology includes Abnormal Behavior Technology, which models identities of both employees and external senders, profiles relationships, and analyzes email content to prevent threats like credential phishing, internal phishing, employee impersonation, and invoice fraud. The company primarily serves industries including financial services, healthcare, and oil, gas, and utilities, aiming to mitigate risks related to account takeovers and financial losses.

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.

Abnormal Security

Series A in 2019
Abnormal Security Corporation is a San Francisco-based company that specializes in cloud-based email security solutions for Microsoft Office 365 and G Suite. Founded in 2018, the company provides a comprehensive platform designed to protect enterprises from targeted email attacks. Utilizing a data science approach, Abnormal Security offers features such as inbound email protection, detection of email account compromises, and response capabilities. Its technology includes Abnormal Behavior Technology, which models identities of both employees and external senders, profiles relationships, and analyzes email content to prevent threats like credential phishing, internal phishing, employee impersonation, and invoice fraud. The company primarily serves industries including financial services, healthcare, and oil, gas, and utilities, aiming to mitigate risks related to account takeovers and financial losses.

Agari

Series E in 2018
Agari is a company focused on email security, specializing in the protection of brands and individuals from phishing and socially-engineered attacks. By leveraging applied data science and a variety of signals, Agari safeguards organizations against threats such as business email compromise, supply chain fraud, and account takeovers, thereby reducing business risks and restoring confidence in email communications. The company's platform is designed to enhance the security of inbound emails while also preventing the spoofing of outbound communications, which helps maintain brand integrity and improve email deliverability. Through its innovative approach, Agari enables safe interactions between businesses and their customers, effectively eliminating email as a vector for cyber-attacks.

Agari

Series D in 2016
Agari is a company focused on email security, specializing in the protection of brands and individuals from phishing and socially-engineered attacks. By leveraging applied data science and a variety of signals, Agari safeguards organizations against threats such as business email compromise, supply chain fraud, and account takeovers, thereby reducing business risks and restoring confidence in email communications. The company's platform is designed to enhance the security of inbound emails while also preventing the spoofing of outbound communications, which helps maintain brand integrity and improve email deliverability. Through its innovative approach, Agari enables safe interactions between businesses and their customers, effectively eliminating email as a vector for cyber-attacks.

Handwriting.io

Series A in 2015
Handwriting.io is a technology company that specializes in digital handwriting solutions designed for integration into mobile apps, desktop applications, and websites. The company's platform enables businesses to create authentic digital representations of handwritten messages, which can be utilized for sending personalized notes or emails. This service enhances brand identity and fosters effective communication with customers, employees, and media. Additionally, Handwriting.io offers a messaging platform that allows for the creation of customized, animated messages featuring unique handwriting styles, fonts, and effects, thereby transforming the chat experience with real 3D handwriting.

Cloze

Seed Round in 2012
Cloze, Inc. is a relationship management platform based in Wellesley, Massachusetts, founded in 2012. The company offers a solution that consolidates email, business connections, social networks, and address books into a single, organized view. By automatically integrating data from various applications, Cloze keeps users' address books up-to-date and organizes their professional relationships without requiring manual data entry. The platform tracks interactions such as emails, phone calls, meetings, and shared documents, providing users with a comprehensive history of their communications. Additionally, Cloze employs advanced data science to highlight important contacts, reminding users to engage with them and maintain their relationships. This streamlined approach enables professionals to efficiently manage their networks and enhance their connectivity with clients and partners.

Agari

Series A in 2011
Agari is a company focused on email security, specializing in the protection of brands and individuals from phishing and socially-engineered attacks. By leveraging applied data science and a variety of signals, Agari safeguards organizations against threats such as business email compromise, supply chain fraud, and account takeovers, thereby reducing business risks and restoring confidence in email communications. The company's platform is designed to enhance the security of inbound emails while also preventing the spoofing of outbound communications, which helps maintain brand integrity and improve email deliverability. Through its innovative approach, Agari enables safe interactions between businesses and their customers, effectively eliminating email as a vector for cyber-attacks.

Constant Contact

Venture Round in 2006
Founded in 1998, Constant Contact specializes in providing digital marketing tools for small organizations. It offers email marketing, social media marketing, event management, and online survey services to help businesses build stronger customer relationships. With over half a million clients, the company aims to make online marketing simple and affordable.

CipherTrust

Series B in 2004
CipherTrust, Inc. specializes in providing comprehensive messaging security solutions designed to protect against various inbound and outbound threats. Founded in 2000 and headquartered in Alpharetta, Georgia, the company delivers layered security for corporate messaging systems, addressing risks such as spam, viruses, spyware, and phishing. Its services also ensure compliance by mitigating outbound policy violations. CipherTrust's solutions encompass a range of messaging protocols, including email, instant messaging, webmail, and file transfers, making it a versatile provider in the cybersecurity landscape. The company caters to a diverse client base, including government organizations and small to medium-sized businesses, and maintains a global presence with offices in various countries, including the United States, France, Japan, and Australia.
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