Kleiner Perkins

Founded in 1972, Kleiner Perkins is a venture capital firm based in Menlo Park, California. It specializes in investing in early-stage, growth, and incubation companies across various sectors including technology, healthcare, life sciences, and consumer goods. The firm partners with founders from inception to IPO, supporting them to maximize the potential of their ideas.

Leigh Marie Braswell

Partner

Annie Case

Partner

Josh Coyne

Partner

Joshua Coyne

Partner

Monica Desai Weiss

Principal

Past deals in Language Processing

Synthesia

Series D in 2025
Founded in London in 2017, Synthesia Ltd. specializes in AI-driven video generation platforms. Its technology transforms text into professional videos with customizable avatars and voiceovers in over 140 languages, enabling efficient creation of personalized advertising, corporate communications, e-learning content, and more.

Enterpret

Series A in 2024
Enterpret is a company that specializes in customer feedback analytics, focusing on enhancing product development and customer insights. Its platform centralizes customer feedback from various channels, allowing businesses to collect and analyze this information efficiently. By leveraging advanced technologies in API design, analytics user interface and experience, and natural language processing, Enterpret helps organizations identify emerging trends and anomalies in customer feedback. This enables sales teams to transform unstructured feedback into actionable intelligence, facilitating a deeper understanding of customer needs and driving business growth.

Synthesia

Series C in 2023
Founded in London in 2017, Synthesia Ltd. specializes in AI-driven video generation platforms. Its technology transforms text into professional videos with customizable avatars and voiceovers in over 140 languages, enabling efficient creation of personalized advertising, corporate communications, e-learning content, and more.

Enterpret

Seed Round in 2022
Enterpret is a company that specializes in customer feedback analytics, focusing on enhancing product development and customer insights. Its platform centralizes customer feedback from various channels, allowing businesses to collect and analyze this information efficiently. By leveraging advanced technologies in API design, analytics user interface and experience, and natural language processing, Enterpret helps organizations identify emerging trends and anomalies in customer feedback. This enables sales teams to transform unstructured feedback into actionable intelligence, facilitating a deeper understanding of customer needs and driving business growth.

Synthesia

Series B in 2021
Founded in London in 2017, Synthesia Ltd. specializes in AI-driven video generation platforms. Its technology transforms text into professional videos with customizable avatars and voiceovers in over 140 languages, enabling efficient creation of personalized advertising, corporate communications, e-learning content, and more.

Echo AI

Series B in 2021
Echo AI is a company that revolutionizes customer engagement through its advanced Conversation Intelligence platform. Based in San Francisco, Echo AI utilizes generative AI to autonomously analyze millions of customer interactions, providing organizations with real-time insights and intelligence. This capability allows businesses to enhance their understanding of customer interactions and empower their teams to respond effectively. The platform features third-party and hosted large language models that can identify subtle intent and retention signals, facilitating the automation of call reviews and evaluations. By streamlining these processes, Echo AI enables organizations to implement growth and retention strategies more efficiently. Formerly known as Pathlight, the company has garnered support from prominent investors, positioning itself at the forefront of Conversation Intelligence innovation.

Labelbox

Series C in 2021
Labelbox, Inc. is a technology company that specializes in providing an AI-driven platform for data labeling and management. Founded in 2018 and headquartered in San Francisco, California, the company enables businesses to outsource their data annotation needs, facilitating the creation and management of datasets essential for machine learning applications. The platform features a visual workflow interface, annotation tools, quality control capabilities, and performance analytics, which collectively streamline the data labeling process. Labelbox supports teams in utilizing the latest advancements in generative AI and large language models, ensuring that AI systems receive appropriate human oversight and automation. Its services are utilized by prominent enterprises, including Walmart, Procter & Gamble, Genentech, and Adobe, as well as numerous leading AI teams across various industries.

Echo AI

Series A in 2020
Echo AI is a company that revolutionizes customer engagement through its advanced Conversation Intelligence platform. Based in San Francisco, Echo AI utilizes generative AI to autonomously analyze millions of customer interactions, providing organizations with real-time insights and intelligence. This capability allows businesses to enhance their understanding of customer interactions and empower their teams to respond effectively. The platform features third-party and hosted large language models that can identify subtle intent and retention signals, facilitating the automation of call reviews and evaluations. By streamlining these processes, Echo AI enables organizations to implement growth and retention strategies more efficiently. Formerly known as Pathlight, the company has garnered support from prominent investors, positioning itself at the forefront of Conversation Intelligence innovation.

Labelbox

Series B in 2020
Labelbox, Inc. is a technology company that specializes in providing an AI-driven platform for data labeling and management. Founded in 2018 and headquartered in San Francisco, California, the company enables businesses to outsource their data annotation needs, facilitating the creation and management of datasets essential for machine learning applications. The platform features a visual workflow interface, annotation tools, quality control capabilities, and performance analytics, which collectively streamline the data labeling process. Labelbox supports teams in utilizing the latest advancements in generative AI and large language models, ensuring that AI systems receive appropriate human oversight and automation. Its services are utilized by prominent enterprises, including Walmart, Procter & Gamble, Genentech, and Adobe, as well as numerous leading AI teams across various industries.

Labelbox

Series A in 2019
Labelbox, Inc. is a technology company that specializes in providing an AI-driven platform for data labeling and management. Founded in 2018 and headquartered in San Francisco, California, the company enables businesses to outsource their data annotation needs, facilitating the creation and management of datasets essential for machine learning applications. The platform features a visual workflow interface, annotation tools, quality control capabilities, and performance analytics, which collectively streamline the data labeling process. Labelbox supports teams in utilizing the latest advancements in generative AI and large language models, ensuring that AI systems receive appropriate human oversight and automation. Its services are utilized by prominent enterprises, including Walmart, Procter & Gamble, Genentech, and Adobe, as well as numerous leading AI teams across various industries.

Labelbox

Seed Round in 2018
Labelbox, Inc. is a technology company that specializes in providing an AI-driven platform for data labeling and management. Founded in 2018 and headquartered in San Francisco, California, the company enables businesses to outsource their data annotation needs, facilitating the creation and management of datasets essential for machine learning applications. The platform features a visual workflow interface, annotation tools, quality control capabilities, and performance analytics, which collectively streamline the data labeling process. Labelbox supports teams in utilizing the latest advancements in generative AI and large language models, ensuring that AI systems receive appropriate human oversight and automation. Its services are utilized by prominent enterprises, including Walmart, Procter & Gamble, Genentech, and Adobe, as well as numerous leading AI teams across various industries.

Duolingo

Series D in 2015
Duolingo is a leading language learning platform offering courses in nearly 40 languages. With over 30 million active users, it provides free language education through its app and website, along with premium features for a fee. Duolingo also offers 'Duolingo for Schools' to help educators track students' progress.

Duolingo

Series C in 2014
Duolingo is a leading language learning platform offering courses in nearly 40 languages. With over 30 million active users, it provides free language education through its app and website, along with premium features for a fee. Duolingo also offers 'Duolingo for Schools' to help educators track students' progress.

Fleksy

Series A in 2013
Fleksy is a mobile keyboard technology company that designs and delivers customizable keyboard software for Android and iOS devices. Its flagship keyboard app provides predictive text, extensive customization, and the ability to share GIFs, stickers, and media directly from the keyboard, enhancing messaging and productivity. The company also offers a Software Development Kit that enables businesses to embed a high-quality typing experience in their own apps. Founded in 2011 and based in San Francisco, Fleksy has more than 20 million downloads worldwide and aims to support language input across devices and languages.

Emu Messenger

Seed Round in 2013
Emu is texting with a built-in assistant. Schedule lunches, share your location, and set reminders — as easily as sending a photo. It’s texting, for grown-ups. Created by veterans of Siri, Apple, Google, TechCrunch, and Yahoo! Messenger, Emu is a messaging product for iPhone that uses artificial intelligence — machine learning and natural language processing — to understand messages, then magically adds relevant information to help you schedule a lunch, reserve a table, buy movie tickets, or share your location in real time. Emu (http://emu.is) was founded in 2012 by Gummi Hafsteinsson (formerly VP Product Siri, previously at Apple and Google), Dave Feldman (previously with AOL/TechCrunch and Yahoo!), and an experienced team of mobile and machine-learning engineers. The company has received seed funding of $1.5M to date from Kleiner Perkins, TriplePoint Capital, Menlo Ventures, DFJ, and additional angel investors. See our Founder Bios for more information on the founding team.
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