Greylock

Greylock, established in 1965, is a venture capital firm headquartered in Menlo Park, California, with additional offices in San Francisco and Wellesley, Massachusetts. The firm specializes in investing in consumer and enterprise software companies at various stages, from seed to growth. Greylock focuses on backing entrepreneurs who define new markets, with notable investments including Airbnb, Facebook, and LinkedIn. The firm typically invests between $0.05 million and $200 million per company, aiming to take a board seat in its portfolio companies. Greylock's investment focus spans across the United States, India, China, Europe, and Israel.

Jacob Andreou

General Partner

Joseph Ansanelli

Partner

Gerald Chen

Partner

Jerry Chen

General Partner

Mike Duboe

General Partner

Roger Evans

Partner

Tom Frangione

COO

Lee Haney

Partner and Head of CXO Partnerships

Bob Henderson

Special Limited Partner

Christine Kim

Partner

Saam Motamedi

Partner

Corinne Riley

Partner

Jason Risch

Partner

Seth Rosenberg

General Partner

Dave Strohm

Partner

Don Sullivan

Administrative Partner

David Thacker

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
Constant Contact is a digital marketing platform that provides a suite of services aimed at helping small businesses and nonprofit organizations enhance their online presence and customer engagement. Founded in 1998, the company specializes in email marketing, social media marketing, event marketing, and online surveys. Its user-friendly and affordable tools allow over 500,000 clients to create personalized communications that resonate with their audiences across various digital channels. By simplifying the marketing process, Constant Contact enables small organizations to build professional brands, attract customers, and foster stronger relationships. The company also collaborates with leading providers in the online marketing space and encourages developers to engage with its API and contribute to its App Marketplace, further extending its capabilities.

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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