Sierra Ventures

Sierra Ventures is a venture capital firm based in San Mateo, California, founded in 1982. The firm specializes in early-stage investments, focusing on Next Generation Enterprise and Emerging Technologies. With over $2 billion in assets under management, Sierra Ventures invests primarily in Seed and Series A rounds, often leading these investment rounds and reserving capital for follow-on investments. The firm targets a range of sectors, including artificial intelligence, machine learning, big data, fintech, health technology, IoT, cloud solutions, and emerging technologies such as 5G and blockchain. Initial investments typically range from $500,000 to $7 million, with total commitments reaching between $500,000 and $15 million over the investment's lifespan. Sierra Ventures has built a significant network of entrepreneurs and industry experts, enhancing its ability to support portfolio companies globally, with a current emphasis on North America.

Max Chapman

Investor

Grace Chen

VP of Finance / Controller

James Doehrman

Operating Partner

Jim Doehrman

Operating Partner

Mark Fernandes

Managing Partner

Anne Gherini

Investor

Tim Guleri

Managing Partner

Tej Kanani

Investor

Jing Liong

Investor

Jeff Loomans

Venture Partner

Sri Muppidi

Investor

Daniel Paredes

Investor

Vignesh Ravikumar

Partner and VP

Ipsita Roy

Investor

Shashank Saxena

Managing Partner

Timothy S. Stanley

Partner

Steve Williams

Managing Director

Past deals in Speech Recognition

Podcastle

Venture Round in 2021
Podcastle, Inc. is an online platform that transforms text news and articles into podcasts using advanced machine learning technology to generate natural human speech. Launched in 2020 and based in Middletown, Delaware, the platform allows users to efficiently convert their favorite written content into audio format, providing a convenient way to listen to stories on various devices, including computers, cell phones, and tablets. By offering this service for free, Podcastle enables users to enjoy and engage with news and articles in a new and accessible manner.

Podcastle

Seed Round in 2020
Podcastle, Inc. is an online platform that transforms text news and articles into podcasts using advanced machine learning technology to generate natural human speech. Launched in 2020 and based in Middletown, Delaware, the platform allows users to efficiently convert their favorite written content into audio format, providing a convenient way to listen to stories on various devices, including computers, cell phones, and tablets. By offering this service for free, Podcastle enables users to enjoy and engage with news and articles in a new and accessible manner.

Krisp

Series A in 2020
Krisp Technologies, Inc. specializes in artificial intelligence-driven noise-cancelling software that enhances audio quality for voice communications. Founded in 2017 and based in Berkeley, California, Krisp's software effectively eliminates background noise for both incoming and outgoing calls across various communication platforms. It can be seamlessly integrated with popular conferencing, voice messaging, streaming, and recording applications, making it suitable for a diverse range of users, including remote professionals, podcasters, gamers, and educators. The technology operates locally on users' audio devices, such as microphones and headsets, ensuring privacy and high-quality sound without the need for internet bandwidth. Krisp Technologies was previously known as 2Hz, Inc. and rebranded in September 2019.

Modulate

Seed Round in 2020
Modulate, Inc. specializes in developing voice skins for gaming and streaming chat platforms, allowing users to modify their speech while maintaining the original emotion and style. Founded in 2017 and based in Cambridge, Massachusetts, the company offers a real-time software development kit (SDK) that enables nearly instantaneous voice alteration. Through this SDK, users can access standard voice options or collaborate with Modulate to create custom voices tailored to specific characters or themes. This flexibility allows users to easily switch between different voices or combine elements from multiple voices to create a unique auditory experience.

Krisp

Seed Round in 2018
Krisp Technologies, Inc. specializes in artificial intelligence-driven noise-cancelling software that enhances audio quality for voice communications. Founded in 2017 and based in Berkeley, California, Krisp's software effectively eliminates background noise for both incoming and outgoing calls across various communication platforms. It can be seamlessly integrated with popular conferencing, voice messaging, streaming, and recording applications, making it suitable for a diverse range of users, including remote professionals, podcasters, gamers, and educators. The technology operates locally on users' audio devices, such as microphones and headsets, ensuring privacy and high-quality sound without the need for internet bandwidth. Krisp Technologies was previously known as 2Hz, Inc. and rebranded in September 2019.

Qeexo

Series B in 2016
Qeexo Inc. provides human-computer interaction software solutions for mobile devices worldwide. It develops FingerSense, a touch interaction platform to distinguish between touchscreen inputs from the fingertip, knuckle, nail, and stylus. The company also provides TouchTools, which allows users to summon and manipulate various virtual tools; and EarSense, a software-only alternative to the standard proximity sensor that allows mobile devices to recognize contact with the face and ears, rejecting unwanted touches during phone calls and enabling thinner bezels. In addition, it offers FingerAngle, which enables interactions from handsets to wearables; and ImpactForce, a software-only technology that brings impact force sensing to mobile devices. Qeexo Inc. was founded in 2012 and is based in Mountain View, California with an additional office in Pittsburgh, Pennsylvania.

Qeexo

Series A in 2014
Qeexo Inc. provides human-computer interaction software solutions for mobile devices worldwide. It develops FingerSense, a touch interaction platform to distinguish between touchscreen inputs from the fingertip, knuckle, nail, and stylus. The company also provides TouchTools, which allows users to summon and manipulate various virtual tools; and EarSense, a software-only alternative to the standard proximity sensor that allows mobile devices to recognize contact with the face and ears, rejecting unwanted touches during phone calls and enabling thinner bezels. In addition, it offers FingerAngle, which enables interactions from handsets to wearables; and ImpactForce, a software-only technology that brings impact force sensing to mobile devices. Qeexo Inc. was founded in 2012 and is based in Mountain View, California with an additional office in Pittsburgh, Pennsylvania.
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