Sunstone Management

Sunstone Management, Inc. is a venture capital and private equity firm that focuses on growth capital and investments in the small and lower middle market sectors. Founded in 2015 and headquartered in Long Beach, California, the firm specializes in providing comprehensive wealth management solutions to high net worth clients globally. Sunstone primarily invests in U.S.-based companies, with a particular emphasis on technology and services sectors. The firm manages multiple venture capital funds, including the Sunstone Venture Capital Fund I and II, which target early-stage investments. Through its diversified investment strategies, Sunstone aims to meet the varied goals of its investors, ranging from short-term debt products to long-term equity and growth capital investments.

Justin Blackhall

Co-Founding Partner

Clark Hsu

Investment Associate

Mark Jacoub

CEO Fellow

Nathan Jia

Vice President

John Keisler

CEO and Managing Partner

Eric Romero

Director of Economic Development

Jayro Sandoval

Economic Development Associate

John Shen

Founding Partner

Mike Stone

Chief Investment Officer and Partner

Jing Sun

Associate Vice President

Bruce Thompson

Co-Founding Partner

David Urtecho

CEO Fellow

Lloyd Wei

Vice President

Queena Zhao

Partner

29 past transactions

Frich, Inc.

Venture Round in 2023
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IndicatorLab

Pre Seed Round in 2023
Investor's Copilot Driven by Generative AI

Intellitech

Pre Seed Round in 2022
Intellitech specializes in providing tailored tracking and maintenance solutions across various industries. The company leverages Internet of Things (IoT) and artificial intelligence (AI) technologies to deliver a predictive maintenance platform that addresses the unique needs of different sectors. By offering customized key performance indicators (KPIs) and analytics, Intellitech enhances operational precision and productivity. This approach enables clients to make informed decisions, ultimately improving the efficiency and effectiveness of their maintenance processes.

Evolectric

Venture Round in 2022
Evolectric is an electric vehicle, and battery services are intended to support electrification technologies. They offer custom-made car and battery solutions that enhance e-mobility through product standardization and prototyping. Their services include consulting, engineering services, and rapid prototyping.

Pathloom

Pre Seed Round in 2022
Pathloom is an online platform designed to assist hikers, campers, and outdoor enthusiasts in discovering unique outdoor locations and planning their trips. The application streamlines the trip planning process, allowing users to tailor their plans to suit their individual needs and preferences, whether for a quick day trip or a longer adventure. By simplifying the discovery of outdoor activities and places, Pathloom aims to encourage more people to engage with the outdoors and enhance their recreational experiences.

Matrubials

Pre Seed Round in 2022
Operator of a biotechnology company intended to reduce the healthcare and economic burden resulting from bacterial infections and concomitant clinical complications. The company's platform utilizes artificial intelligence to identify and develop anti-pathogenic molecules from milk into therapeutics to address antimicrobial resistance and modern diseases such as bacterial vaginosis, enabling researchers to focus on the advancement of novel drugs in areas of unmet medical needs.

Current Surgical

Pre Seed Round in 2022
Current Surgical is a surgical device company that develops precise tools for the treatment of solid tumors. The company was founded in 2020 and has its headquarters in Washington, DC.

Basilard BioTech

Seed Round in 2022
Basilard BioTech features a technology platform that transforms the rapidly growing cell-based therapies market. Cell and Gene Therapies (CGT) have immense potential to address unmet clinical needs by leveraging the power and diversity of cell functions. They offer the best hope for finding solutions to prevailing diseases that affect and kill millions of people.

Apsy

Seed Round in 2022
Developer an AI-driven mobile and web application builder designed to utilize machine programming to generate mobile apps. The company offers tools to build application software in a manner where traditional constraints such as time, quality, and cost can be mostly negated in effect, a new means to write code repeatedly and intelligently, enabling businesses to create their app to specifications, like a tailor-made suit with no constraints.

Serinus Labs

Seed Round in 2021
Serinus Labs is a manufacturer of chip-scale silicon gas sensors for ultra-low power mobile applications.

Guardian Lane Inc

Pre Seed Round in 2021
Guardian Lane is the world’s first video-sharing platform for children’s grief counseling with tele-counseling services available with certified counselors and licensed therapists. With 1 in 5 children loosing a loved one by the age of 18, Guardianlane.com is bringing children’s grief support online in an innovative way and in a format children love, video! On guardianlane.com, counselors upload creative video projects for the children to watch, create, and share, creating their own social healing network. Starting with bereavement counseling, we will soon open up for children grieving from divorce, bullying, military separation and foster care. Join us > info@guardianlane.com

Rideshine

Pre Seed Round in 2021
Rideshine is a provider of eco-friendly car wash services that partners with property management companies to enhance apartment amenities. The company offers convenient overnight car washing, utilizing waterless alternatives and climate-friendly practices to promote sustainability. By focusing on efficiency and service quality, Rideshine aims to transform the traditional $34 billion car wash industry. Their innovative approach allows individuals to enjoy the convenience of having their vehicles cleaned in their own garages, eliminating the need for time-consuming trips to car wash facilities.

Here Here Market

Pre Seed Round in 2021
Here Here Market is a boutique marketplace designed to help people discover bespoke artisanal food offerings. The company's app allows users to look for restaurants and split the bill, as well as provide food and beverage experiences.

StoryBolt

Seed Round in 2021
StoryBolt is a marketplace platform that connects organizations with documentary filmmakers, enabling both parties to access valuable content. The platform allows filmmakers to monetize their short documentaries while providing organizations with powerful storytelling tools to enhance employee engagement and retention. By facilitating exposure to real and inspiring stories through documentary storytelling and live sessions, StoryBolt helps businesses address complex topics related to diversity and inclusion. This approach fosters a positive workplace culture, which can lead to increased innovation and productivity.

Closed Loop Plastics

Pre Seed Round in 2021
Closed Loop Plastics creates 3D printing filament from 100% post-consumer plastic waste sourced from local Materials Recovery Facilities with our patent pending process. Closed Loop Plastics is providing stewardship of the environment and want to lower the barrier to entry to sustainable living. We do this by using post-consumer waste to create low-cost, high-performance resources for the 3D printing community.

Martixa

Pre Seed Round in 2021
Martixa operates a telehealth platform designed to enhance the efficiency of medical consultations by automating clinical documentation. Utilizing an AI assistant, the platform records, transcribes, and completes medical documentation in real-time while physicians attend to their patients. This allows doctors to maintain their focus exclusively on patient care, eliminating the distractions associated with manual note-taking. Martixa aims to improve the accuracy and efficiency of clinical documentation across various medical specialties, ultimately enhancing the overall healthcare experience for both providers and patients.

SenseGrass

Pre Seed Round in 2021
SenseGrass, Inc. is a technology company specializing in Internet of Things devices and artificial intelligence solutions for agriculture. Founded in 2017 and based in Fremont, California, SenseGrass develops a soil intelligence platform that integrates multispectral cameras and aerial drone sensors for effective farm management. The company's offerings include tools for nutrient and carbon management, process automation, and crop monitoring, which help farmers optimize fertilizer usage and improve crop yields. Its solutions cater to a diverse clientele, including farming companies, farmland owners, crop insurance providers, government departments, and various agricultural sectors such as vertical farming and animal husbandry. By leveraging advanced technologies like nano-satellite mapping and mobile applications, SenseGrass aims to enhance sustainable farming practices and overall plant health management.

123 Baby Box

Venture Round in 2021
123 Baby Box is a manufacturer of baby products that aims to give mothers tools for their kids' brain development. The company's platform offers a customized monthly subscription box for infants aged from birth to three years that includes five to six full-sized items like books, clothing, toys, and diapers. It also supports neighborhood charities and orphanages that give infants the care they require to survive, saving mothers money and time on research while making early-stage development available to all kids regardless of their background.

StoryBolt

Pre Seed Round in 2021
StoryBolt is a marketplace platform that connects organizations with documentary filmmakers, enabling both parties to access valuable content. The platform allows filmmakers to monetize their short documentaries while providing organizations with powerful storytelling tools to enhance employee engagement and retention. By facilitating exposure to real and inspiring stories through documentary storytelling and live sessions, StoryBolt helps businesses address complex topics related to diversity and inclusion. This approach fosters a positive workplace culture, which can lead to increased innovation and productivity.

Evolectric

Venture Round in 2021
Evolectric is an electric vehicle, and battery services are intended to support electrification technologies. They offer custom-made car and battery solutions that enhance e-mobility through product standardization and prototyping. Their services include consulting, engineering services, and rapid prototyping.

Bump

Pre Seed Round in 2021
Ownors is an AI-powered analytics marketplace matching top executives with creatives for 1:1 live sessions and managed micro-advances. Ownors is backed by LA Founders Fund, Sunstone VC, executives at Warner Bros., Columbia/Ruffhouse Records & a founding member of Rock Hall of Fame group N.W.A.

Seatrec

Seed Round in 2020
Seatrec is a clean energy company focused on generating electricity from temperature differences in ocean waters. Founded in 2012 by Dr. Yi Chao, the company has developed patented thermal engine technologies that harness these natural temperature variations to provide renewable power for oceanographic research equipment such as drones, floats, and gliders. By utilizing Seatrec's innovative systems, researchers can significantly extend the operational life of their equipment while achieving cost savings and enhancing data collection capabilities. This technology enables the deployment of more sensors, facilitating greater insights into oceanographic research without producing emissions or waste.

Ocra

Pre Seed Round in 2020
ParkPlace is a peer-to-peer platform where property owners can list their parking spots for drivers in need. Being a privately held technology company based in Los Angeles, this platform aims to solve the parking problem in a new innovative way. The company was founded in June of 2018 and is currently operating in Los Angeles. For inquiries and more information, email us or visit our website.

Combinati

Series A in 2019
COMBiNATi Inc. develops integrated digital PCR platform, the Microfluidic Siphoning Array (MSA), enabling qPCR reagents to be partitioned into micro-chambers coated with semi permeable film. The company was incorporated in 2015 and is based in Palo Alto, California.

Lucira Health

Series B in 2019
Lucira Health develops a new class of professional and home-health solutions to help illuminate and elucidate health status to expedite decision-making and treatment. The company's at-home test kit is well suited for home use and the molecular nucleic acid amplification technology is adaptable to COVID-19 detection. Lucira Health produces inexpensive, disposable health diagnostic hardware that transforms any smartphone into a portable, real-time health-monitoring device for rapid, accessible, multiplexed analysis of bodily fluids anywhere in the world. It enables consumers to take the first step in their healthcare management through at-home diagnosis and a companion mobile app to provide follow up treatment. Lucira Health was founded in 2013 and is headquartered in Emeryville, California, United States.

Boom Supersonic

Series B in 2018
Boom Supersonic is focused on revolutionizing passenger air travel by developing a supersonic airliner called Overture, which is designed to achieve speeds of Mach 2.2. Founded in 2014 and based in Englewood, Colorado, the company aims to make supersonic flights accessible and affordable for business travelers, while also promoting sustainability in aviation. Overture features advanced aerodynamics and engines that support the use of next-generation sustainable alternative fuels, enhancing safety and efficiency. Boom Supersonic is committed to overcoming the challenges associated with supersonic flight, with the ultimate goal of establishing routine supersonic travel for passengers worldwide.

Syntiant

Series B in 2018
Syntiant is moving artificial intelligence and machine learning from the cloud to edge devices. Syntiant’s advanced chip solutions merge deep learning with semiconductor design to produce ultra-low-power, high performance, deep neural network processors for always-on applications in battery-powered devices, such as smartphones, smart speakers, earbuds, hearing aids, and laptops. It was founded in 2017 and is headquartered in Irvine, California.

Life360

Series D in 2018
Life360, Inc. is a mobile application developer based in San Francisco, California, focusing on enhancing communication and safety for families. Founded in 2007, the company offers a platform that provides services such as private location sharing, location history, driving details, crash detection, roadside assistance, and help alerts, available through both free and paid membership subscriptions. The app serves millions of families across more than 140 countries, facilitating better synchronization and protection of loved ones. Life360, which was previously known as LReady, Inc., rebranded in 2011 and has secured over $100 million in funding from various investors, including Bessemer Venture Partners and Allstate, to support its growth and development.

Syntiant

Series A in 2018
Syntiant is moving artificial intelligence and machine learning from the cloud to edge devices. Syntiant’s advanced chip solutions merge deep learning with semiconductor design to produce ultra-low-power, high performance, deep neural network processors for always-on applications in battery-powered devices, such as smartphones, smart speakers, earbuds, hearing aids, and laptops. It was founded in 2017 and is headquartered in Irvine, California.
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