Mayfield
Mayfield Fund is a venture capital and private equity firm founded in 1969 and headquartered in Menlo Park, California, with an additional office in Mumbai, India. It specializes in early-stage to growth-capital investments in technology companies across sectors including enterprise software, data, communications and wireless, semiconductors, consumer internet, health tech, energy tech, and IT-enabled services. The firm typically targets companies with strong growth potential, supports co-investment networks and lead or co-lead roles in rounds, and often participates in follow-on financing. It pursues global opportunities, with a focus on California (San Francisco Bay Area) and cross-border investments in Europe, India, and China, as well as substantial operations in India and China. Investments range from seed to growth, including debt in select situations, and it emphasizes collaboration with founders from inception to scale iconic enterprise, AI-first, and health-tech ventures. The firm avoids public markets and leverages its global network and experience to help portfolio companies scale.
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Disclaimer
Names and basic information are provided solely for directory purposes. TeaserClub is an independent platform and has no affiliation with, and receives no authorization from, the organizations listed.Past deals in Sales Automation
HouseWhisper
Seed Round in 2025
HouseWhisper is an AI-powered assistant designed to address one of real estate's most significant challenges: ensuring that no leads fall through the cracks. Unlike other AI solutions, it functions as a personal assistant around the clock, doing the work for agents rather than simply reminding them. Real estate agents devote numerous hours to follow-ups, scheduling, and CRM management, diverting them from closing deals and developing client relationships.
Vartana
Series B in 2023
Vartana is a payments platform that provides flexible financing options for buyers and streamlined deal execution for sales teams. The platform offers a co-branded digital checkout with real-time support and automated payment plan offers directly within CRM systems, backed by pre-built integrations through an API. It enables pre-approved payment structures and centralizes the end-to-end deal workflow in a single dashboard, helping buyers maximize purchasing power while keeping finance teams agile with unlocked cash flow. Vartana was founded in 2020 in San Francisco by Kush Kella.
Vartana
Series A in 2023
Vartana is a payments platform that provides flexible financing options for buyers and streamlined deal execution for sales teams. The platform offers a co-branded digital checkout with real-time support and automated payment plan offers directly within CRM systems, backed by pre-built integrations through an API. It enables pre-approved payment structures and centralizes the end-to-end deal workflow in a single dashboard, helping buyers maximize purchasing power while keeping finance teams agile with unlocked cash flow. Vartana was founded in 2020 in San Francisco by Kush Kella.
Postal
Series B in 2021
Postal.io, Inc. is a sales and marketing engagement platform that enhances team management, content curation, and workflow automation. Incorporated in 2019 and based in San Luis Obispo, California, the company offers solutions that generate leads, increase sales, and improve customer retention across various industries, including software, healthcare, finance, real estate, and insurance. The platform automates the delivery and reporting of personalized physical assets, such as direct mail and corporate gifts, which can be seamlessly integrated with existing CRM and marketing automation systems or used independently. By personalizing and scaling engagement efforts, Postal.io aims to boost brand loyalty, improve conversion rates, and enhance overall employee and customer satisfaction. The company is led by a founding team with a track record of successful ventures.
Outreach
Series G in 2021
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
Immersa
Series A in 2021
Immersa is a data automation platform that specializes in transforming product usage data into actionable insights for sales, service, and marketing teams, specifically within the Software as a Service (SaaS) sector. The company integrates product usage data with customer relationship management (CRM) systems to identify and relay qualified leads, thereby enhancing SaaS revenue and accelerating customer adoption. Immersa's customer intelligence platform provides technical leaders with an automated data warehouse that facilitates the collection, storage, processing, analysis, and visualization of data. This empowers businesses to leverage data-driven intelligence to inform decision-making and drive meaningful actions.
Outreach
Series F in 2020
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
Postal
Series A in 2020
Postal.io, Inc. is a sales and marketing engagement platform that enhances team management, content curation, and workflow automation. Incorporated in 2019 and based in San Luis Obispo, California, the company offers solutions that generate leads, increase sales, and improve customer retention across various industries, including software, healthcare, finance, real estate, and insurance. The platform automates the delivery and reporting of personalized physical assets, such as direct mail and corporate gifts, which can be seamlessly integrated with existing CRM and marketing automation systems or used independently. By personalizing and scaling engagement efforts, Postal.io aims to boost brand loyalty, improve conversion rates, and enhance overall employee and customer satisfaction. The company is led by a founding team with a track record of successful ventures.
Outreach
Series E in 2019
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
Outreach
Series D in 2018
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
Outreach
Series C in 2017
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
Outreach
Series B in 2016
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
Outreach
Series A in 2015
Outreach is a sales engagement platform that helps organizations manage and optimize interactions across email, voice, and social channels throughout the customer lifecycle. The platform uses machine learning to guide sales representatives to take the right actions, automate repetitive tasks, and personalize communications while tracking sales activity and performance. It supports account-based, outbound, and inbound sales, as well as sequence and task management, email and activity tracking, and insights that analyze buyer sentiment to optimize content and sequences in real time. By integrating automated alerts, collaboration features, and performance analytics, Outreach aims to increase the volume of qualified meetings and improve the efficiency and effectiveness of customer-facing teams.
C9
Series D in 2013
C9 is a provider of cloud-based revenue-performance services that specializes in predictive sales and marketing applications. The company offers a Big Data analytics platform designed to help organizations analyze and optimize revenue across various functions, including marketing, sales, service, and support. By leveraging data science and predictive analytics, C9 enables its clients, which include notable companies such as Yahoo!, Pitney Bowes, and Google, to improve their sales and marketing execution, generate accurate forecasts, and mitigate pipeline risks. Headquartered in San Mateo, C9 is supported by prominent investors such as the Mayfield Fund, InterWest Partners, and Leapfrog Ventures.
C9
Series C in 2010
C9 is a provider of cloud-based revenue-performance services that specializes in predictive sales and marketing applications. The company offers a Big Data analytics platform designed to help organizations analyze and optimize revenue across various functions, including marketing, sales, service, and support. By leveraging data science and predictive analytics, C9 enables its clients, which include notable companies such as Yahoo!, Pitney Bowes, and Google, to improve their sales and marketing execution, generate accurate forecasts, and mitigate pipeline risks. Headquartered in San Mateo, C9 is supported by prominent investors such as the Mayfield Fund, InterWest Partners, and Leapfrog Ventures.
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