Hiro Rio Maeda

Investor at Wispr Flow

📍 San Francisco Bay Area, United States🔄 Updated September 2026💼 15 investments📅 12 years investing🗓 Last invested May 2026
VC🌍 United StatesInvested this year
15
Total investments
5
Early stage
5
Mid stage
2
Late stage
12y
Years active

Portfolio

13 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Investor
May 2026
Wispr Flow (available on Mac, iPhone, Windows, and Android) lets you speak naturally and see your words perfectly formatted with no extra edits, no typos. It’s the easiest way to write 4x faster across all your apps.
Investor
Apr 2026
XBOW is the autonomous offensive security company redefining cyber defense for the AI era. Combining AI reasoning with offensive security workflows, the XBOW platform delivers expert-level security testing at machine speed. XBOW empowers security teams to transform from reactive to proactive defense at AI scale. For XBOW customers, autonomous offense is the best defense.
Investor
Jan 2026
Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS. The company is backed by Greylock Partners, Wing, GV and Norwest Venture Partners.
Investor
Apr 2024
Were an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.
Board Member
Oct 2021
SOC Prime operates the world’s largest and most advanced platform for collective cyber defense that cultivates collaboration from a global cybersecurity community. Powered by Sigma language and MITRE ATT&CK® as core pillars, SOC Prime drives a transformational change in cybersecurity to empower smart data orchestration, dynamic attack surface visibility, and cost-efficient threat hunting. Our innovation, backed by zero-trust & multi-cloud approach, is recognized by independent research companies, credited by leading SIEM, XDR & MDR vendors, and trusted by 11,000+ organizations, including 42% of Fortune 100 and 21% of Forbes Global 2000.
Board Member
Jan 2021
CloudNatix has created an hyperscale-grade DevOps automation platform that dramatically improves the efficiency of Cloud and On-prem infrastructure operations. The CloudNatix platform monitors infrastructure utilization, and automates optimization, across single and multiple Cloud providers. Our enterprise-grade solution (including HA, monitoring etc.) delivers a level of DevOps automation only seen in hyperscale tech companies for their internal operations. Using this platform, our customers have been able to reduce infrastructure spend by as much as 50%. At the same time, with a single management pane, Developer and DevOps teams can manage legacy and container / microservice-based applications in a more cohesive and scalable fashion.
Board Member
Jan 2021
A powerful application & API security testing platform that security teams trust and developers love. We integrate into your CI/CD pipeline and enable you to run DAST scans with every build. Identify a broad set of known (7,000+ payloads) and unknown (0-day) security vulnerabilities. Scan multiple protocols across Web, mobile & APIs. Built for developers with zero false positives and clear remediation instructions.
Board Observer
Jun 2020
Founded by Incident Responders, for Incident Responders. Mitiga is the next thing in Cloud Security. Mitiga is the first and only company to deliver real-time detection, response and remediation across ALL 3 Cloud components - Cloud Infrastructure, SaaS Applications and Identities -- moving your SecOps beyond prevention to real-time detection and response. Mitiga is easy to use, quick to deploy, and delivers compelling savings with payback <6 mos. Mitiga is used by many Fortune 500 companies to enhance their SOCs and defeat attackers.
Board Observer
Aug 2018
JASK is modernizing security operations by delivering an advanced SIEM platform that provides better visibility, better automation and a better architecture. Built on cloud-native technologies, the JASK ASOC platform streamlines security analyst workflows by automating many of the repetitive tasks that restrict productivity, freeing them for higher-value roles like threat hunting and vulnerability management, while addressing the escalating talent shortage.
Board Member
Jan 2018
Combining the mindset of a CISO and the toolset of a hacker, SafeBreach is the pioneer in breach-and-attack simulation (BAS) and is the most widely used platform for continuous security validation. SafeBreach continuously executes attacks, correlates results to help visualize security gaps, and leverages contextual insights to highlight remediation efforts. With its Hacker’s Playbook™, the industry’s most extensive collection of attack data enabled by state-of-the-art threat intelligence research, SafeBreach empowers organizations to get proactive about security with a simple approach that replaces hope with data. We’re looking for hackers and trailblazers to join us. If youre passionate about technology and like to break things, we want to hear from you! Join us, and make an impact!
Board Member
Nov 2017
Fyde is now Barracuda CloudGen Access. Secure zero trust access to all your apps and data from any device and location. Security starts with access. The CloudGen Access zero trust model establishes unparalleled access control across users and devices without the performance pitfalls of a traditional VPN. It provides remote, conditional, and contextual access to resources and reduces over-privileged access and associated third-party risks. With CloudGen Access, employees and partners can access corporate apps and cloud workloads without creating additional attack surfaces.
Board Observer
Oct 2015
Platform to automate mobile app protection in the CI/CD pipeline. Certified Secure™ mobile app security, mobile fraud prevention, anti-malware, mobile anti-bot, and anti-cheat defense. All Android & iOS apps.
Board Observer
Jun 2015
Weve moved! Follow us at BlackBerry for the latest on BlackBerry Spark, Unified Endpoint Security, Unified Endpoint Management, and more! https://www.linkedin.com/company/blackberry/
Experience · 17 entries
All (17)
Investments (15)
Board (11)
2026
Investor
May 2026
Wispr Flow (available on Mac, iPhone, Windows, and Android) lets you speak naturally and see your words perfectly formatted with no extra edits, no typos. It’s the easiest way to write 4x faster across all your apps.
Investor
Apr 2026
XBOW is the autonomous offensive security company redefining cyber defense for the AI era. Combining AI reasoning with offensive security workflows, the XBOW platform delivers expert-level security testing at machine speed. XBOW empowers security teams to transform from reactive to proactive defense at AI scale. For XBOW customers, autonomous offense is the best defense.
Investor
Jan 2026
Protect your business-critical applications by mitigating threats and reducing risk with Obsidian, the first truly comprehensive security solution for SaaS. The company is backed by Greylock Partners, Wing, GV and Norwest Venture Partners.
2024
Investor
Apr 2024
Were an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.
2021
Board Member
Oct 2021
SOC Prime operates the world’s largest and most advanced platform for collective cyber defense that cultivates collaboration from a global cybersecurity community. Powered by Sigma language and MITRE ATT&CK® as core pillars, SOC Prime drives a transformational change in cybersecurity to empower smart data orchestration, dynamic attack surface visibility, and cost-efficient threat hunting. Our innovation, backed by zero-trust & multi-cloud approach, is recognized by independent research companies, credited by leading SIEM, XDR & MDR vendors, and trusted by 11,000+ organizations, including 42% of Fortune 100 and 21% of Forbes Global 2000.
Show all 17 entries ↓
Investment activity
2014–2026 · 15 investments
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