Steve Johnston

Sygaldry Technologies is building quantum-accelerated AI servers to exponentially speed up training and inference. Its servers combine multiple qubit types within a single, fault-tolerant architecture to deliver the combination of cost, scale, and speed necessary for advanced AI applications. The company is led by quantum veterans Chad Rigetti and Idalia Friedson and AI scientist Michael Keiser. Sygaldry has offices in Ann Arbor, Michigan and San Francisco, CA.

We love our law enforcement. Book a demo today!

We help software companies sell to the government. Our SDK cuts the federal compliance timeline (called FedRAMP) down from 16 to 6 months, and saves $1M. We improve government efficiency and strengthen national security in this traditionally restrictive market by helping government access the latest software.

careCycle provides a comprehensive suite of voice AI teams for medicare advantage and ACA distributors. - Optimize your sources with pre-qualification - 5x conversions of after hours and overflow calls - Increase retention by 10%+ with personalized welcome and approval calls - Save thousands of agent hours on renewal reminders careCycle customers have successfully closed over $2,000,000 in net-new revenue and saved agents tens of thousands of hours in the process.

EffiGov is the leading AI voice assistant for city government. Our hyper-realistic voice AI works 24/7, knows everything about your municipality, and integrates directly with your CRM and ticketing systems. Currently live in cities and counties around the country!

Most satellites are limited to kilowatt-scale solar power, constraining high-power applications in orbit. The unlimited vacuum in space allows a dipole magnetic confinement device to form the large plasma confinement regions fusion requires without bulky reactor hardware. With HTS magnets and declining launch costs, compact megawatt-class fusion in orbit is now within reach, unlocking an industrial space economy.

Every superhero nurse needs their sidekick. Kabilah leverages cutting-edge Artificial Intelligence to alleviate cognitive overload, allowing nurses to spend more time focusing on taking high quality care of their patients and themselves.

Conductor Quantum is building quantum computers on silicon chips. Our AI-software creates qubits 1000x faster than current methods.

YC W24

XTraffic upgrades traffic lights to work as an intelligent system, communicating and coordinating together to reduce traffic and improve safety, all with the click of a button. The autonomous control of traffic lights gives back to both city managers and their citizens their most valuable resource - time.

Artos helps clinical development and medical writing teams turn their data into regulatory submissions in days instead of weeks. Life sciences companies spend $13 billion and millions of man-hours each year on regulatory submissions for health agencies. At Artos, we build AI and software tools to shrink those timelines so that life-saving treatments can get to patients sooner.

Making the home buying process better. We walk you through the home buying process from discovery to closing, for very low commission.

Founded in 2014, we’re America’s largest venture firm for individual investors and VC investing partner to over 11,000 individuals and institutions. Offerings include institutional-grade funds with large diversified portfolios and deal-by-deal investing through our Syndicates. Investment minimum is $10,000. • Top-20 VC Firm (Time Magazine ’25) • Top-Decile Investment Performance (Carta Benchmarks ‘25) • Top 20 VC Firm (CB Insights 24) • Top 50 Unicorn VC (Stanford GSB Research ‘25) • Top 3 Most Active US VC Firm (PitchBook ‘18 - ‘24) • Most Founder Friendly Investor List (Inc. Magazine ‘24) • Worlds Most Innovative Companies (Fast Company 22) • #1 Most Active Venture Firm in the US (PitchBook 22 & 23) • Top 20 Venture Firm (CB Insights 24) • Worlds Most Innovative Companies (Fast Company 22) • Portfolio of 1,600+ current and historical companies • 40+ full-time VC investors • Founders get access to our community of 850,000+ members and 6,000+ Experts. Offers of securities made only to eligible investors by formal offering documents describing risks, terms, and other important information that must be considered before investing. Example portfolio companies shown for illustrative purposes only, do not necessarily reflect investment outcomes that were or would be obtained by any AV fund or investor, and are not available to future investors, except potentially in follow-on investments. Venture capital investing involves substantial risk, including risk of loss of all capital invested. Past performance does not guarantee future results. The content on this account is intended solely for persons located in the U.S. and is not directed at, and must not be acted upon, by any person in the United Kingdom. UK residents seeking information about AV should refer only to communications issued by Alumni Ventures UK LLP, which provides information solely on a non-promotional basis and only distributes Financial Promotions to eligible recipients in accordance with UK law.

Sygaldry Technologies is building quantum-accelerated AI servers to exponentially speed up training and inference. Its servers combine multiple qubit types within a single, fault-tolerant architecture to deliver the combination of cost, scale, and speed necessary for advanced AI applications. The company is led by quantum veterans Chad Rigetti and Idalia Friedson and AI scientist Michael Keiser. Sygaldry has offices in Ann Arbor, Michigan and San Francisco, CA.

We love our law enforcement. Book a demo today!

We help software companies sell to the government. Our SDK cuts the federal compliance timeline (called FedRAMP) down from 16 to 6 months, and saves $1M. We improve government efficiency and strengthen national security in this traditionally restrictive market by helping government access the latest software.

careCycle provides a comprehensive suite of voice AI teams for medicare advantage and ACA distributors. - Optimize your sources with pre-qualification - 5x conversions of after hours and overflow calls - Increase retention by 10%+ with personalized welcome and approval calls - Save thousands of agent hours on renewal reminders careCycle customers have successfully closed over $2,000,000 in net-new revenue and saved agents tens of thousands of hours in the process.