T.J. Rylander

General Partner at N47

📍 Menlo Park, California, United States🔄 Updated September 2026💼 17 investments📅 8 years investing🗓 Last invested Jun 2025𝕏 @upgrade_to_unlock
VC🌍 United States
17
Total investments
1
Early stage
9
Mid stage
5
Late stage
8y
Years active

Portfolio

16 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
Jun 2025
Luminary Cloud is the world’s first Physics AI Model Factory, the fastest and easiest way for engineering companies to build and deploy Physics AI models. Physics AI models enable designers and engineers to instantly predict the physical performance of products like cars, aircraft, electronics and turbomachinery. Luminary is pioneering this new category of AI that will revolutionize how physical products are made. We are doing this by embedding physics intelligence and expertise into the process of engineering design and even into the products themselves. Customers span industries from aerospace and defense, automotive, industrial manufacturing and sporting goods, including Otto Aerospace, Joby Aviation and Sceye. We are hiring! Check out our open roles here: https://ats.rippling.com/luminarycloud/jobs
Board Member
2025
Kai is the AI company rebuilding cybersecurity for the machine-speed era. Founded by the creators of category-defining companies Claroty and SecurityMatters, and trusted by Fortune 500 enterprises, Kai is building a future where security has no categories, no silos, and no human-speed bottlenecks. The Kai Agentic AI Platform replaces fragmented, human-limited workflows with agentic AI systems that continuously contextualize, assess, reason, and execute security work at machine speed - making human defenders, superhuman.
Investor
Dec 2024
Halcyon is a cybersecurity company building products that stop ransomware from impacting enterprise customers. The Halcyon Anti-Ransomware and Cyber Resilience Platform offers layered ransomware protection that combines pre-execution detection, behavioral modeling, deception techniques and, if all else fails, resiliency, recovery and isolation of impacted nodes. To learn more and get a demo, contact us today.
Board Member
Sep 2024
Helping companies to adopt Generative AI without risking the security and privacy of their data. Harmonic Security gives security teams the tools to protect sensitive data without the headaches of labeling and complex rules. Our pre-trained data protection models enable secure innovation through user interaction and gentle nudges. Recognized as an RSA Innovation Sandbox finalist in 2024, Harmonic Security redefines data protection for the GenAI era.
Board Member
Jul 2024
Encord is the data layer for physical AI. Were how the worlds most ambitious AI teams turn messy, multimodal data into production systems - from humanoid robots to autonomous vehicles to smart infrastructure. 300+ teams including Toyota, Skydio, and Maxar rely on Encord to curate, manage, and align the data their models actually need. $110M raised. San Francisco, New York, and London.
Investor
Feb 2024
Skylo Technologies is a global Non-Terrestrial Network service provider based in Mountain View, CA, offering a service that allows smartphones and IoT cellular devices to connect directly over existing satellites. Devices connected over satellite are managed and served by Skylos commercial NTN vRAN, featuring a 3GPP standards-based cloud-native base station and core. Skylo works with existing satellite operators, network operators, and device makers to provide subscribers an anywhere, anytime connectivity solution between terrestrial and satellite networks. Skylos focus is on enabling connected services for people outdoors and connected workflows for machines at work across critical industries such as agriculture, maritime, logistics, mining, and others, in addition to mass-market consumer devices. We’re a global, fast-growing team, with offices in California, India and Finland. For more information, visit www.skylo.tech.
Board Member
Oct 2022
Vitally helps B2B SaaS teams like Segment, Zapier, and Productboard to deeply understand their customers and empower every customer success manager to 10x their effectiveness through powerful assistive automation. By quickly unifying disparate product and customer data into an incredibly powerful and easy-to-use platform, Vitally allows teams to rapidly implement better customer success processes and have an immediate impact.
Investor
Apr 2021
In the cloud, every second counts. Attacks move at warp speed, and security teams must protect the business without slowing it down. Sysdig stops cloud attacks in real time, instantly detecting changes in risk with runtime insights and open source Falco. Sysdig, rated #1 for CSPM in the Gartner Peer Insights “Voice of a Customer” report, correlates signals across cloud workloads, identities, and services to uncover hidden attack paths and prioritize real risk. From prevention to defense, Sysdig helps enterprises focus on what matters: innovation. 𝘚𝘺𝘴𝘥𝘪𝘨. 𝙎𝙚𝙘𝙪𝙧𝙚 𝙀𝙫𝙚𝙧𝙮 𝙎𝙚𝙘𝙤𝙣𝙙.
Board Member
Feb 2021
Hi, were Armorblox! We help organizations communicate more securely over email and other cloud office applications with the power of Natural Language Understanding (NLU). The Armorblox platform connects over APIs and analyzes thousands of signals to understand who users are, what they do, and how they communicate. With this context, Armorblox can stop advanced email attacks like business email compromise, and also help organizations stay compliant by protecting their sensitive data from falling into the wrong hands. Security teams also become more proactive after using Armorblox because the platform automates away most of the manual and repetitive tasks involved in responding to user-reported email threats. We create the VERY BEST People-first Company Culture through thoughtful programs that elevate and engage our People. We are proud to have an industry-leading product, a gender score that ranks in the top 20%, and a diversity score that ranks in the top 30%. We are honored Armorblox was awarded Great Place to Work, Omni Award for Outstanding Wellbeing and Benefits, Best Company Leadership, Best CEOs for Diversity, Best Company Compensation, and was featured in the 2019 Forbes AI 50 list and was named a 2020 Gartner Cool Vendor in Cloud Office Security. Founded in 2017, Armorblox is headquartered in Sunnyvale, CA and backed by the very best investors in Silicon Valley including General Catalyst and Next47. Armorblox was acquired by Cisco in July 2023.
Board Member
Dec 2020
Great software development starts with better visibility. Measure and improve your organization’s DevOps performance with real-time insights.
Board Member
Jul 2020
Skydio’s mission is to make the world more productive, creative, and safe with autonomous flight. AI and computer vision are foundational to our products, allowing drones to fly autonomously and automatically capture and process data. Skydio drones help public safety agencies, federal government, and private companies serve their communities more safely and effectively by providing real-time access to information captured with high-powered cameras mounted on intelligent flying robots. Our drones support thousands of organizations, including every branch of the U.S. military, 26 allied nation, 1,000+ public safety agencies across every U.S. state, and 900+ utility providers. Founded in 2014, Skydio designs, assembles, and supports its products in the U.S., with headquarters in San Mateo, CA, and manufacturing facilities in Hayward, CA. Skydio is the largest drone manufacturer in the U.S. and has shipped 55,000+ flying robots. The company is backed by top investors and strategic partners, including Andreessen Horowitz, Linse Capital, Next47, IVP, Playground, and NVIDIA.
Board Member
Jul 2019
Built Robotics’ mission is to build the robots that build the world. By automating repetitive tasks in the $300 billion solar industry, Built is bridging the workforce gap to accelerate our transition to clean energy.
Board Member
Feb 2019
Our vision is to expand humanity’s potential through robotics and automation. We design and build autonomous cleaning technology that empowers organizations and their workers to become more productive and efficient versions of themselves. Our robots — Neo, Neo 2W, and Kas — help raise and maintain cleanliness standards in commercial and industrial facilities without higher costs or tougher demands on teams. Our newest innovation, Kas, opens new possibilities for busy commercial environments thanks to improved performance in tight spaces, a focus on safety, and a futuristic design that enhances its surroundings. Retail, healthcare, education, transportation, and more, Kas continues Avidbots’ record of creating tailor-made solutions for its customers, so organizations can reach their full potential.
Board Member
Aug 2018
Yellowbrick Data Warehouse is a modern, elastic data warehouse with separate storage and compute that runs in the cloud. Yellowbrick enables large-scale enterprises to eliminate complexity, reduce risk, and predict and control costs by running all their data anywhere, across multi-cloud and on-premises instances. Yellowbrick allows enterprises to run complex queries on live data at petabyte scale in their own cloud account, while supporting high concurrency with fast, interactive query response to customers most challenging business questions.
Investor
Jun 2018
We are Sila—a next generation battery materials company dedicated to accelerating energy transformation for a more sustainable future. Our next-gen anode material is the first significant chemistry improvement to lithium-ion batteries to reach the market in 30 years. Our silicon anode material is a simple drop-in replacement to graphite and significantly boosts the energy density of lithium-ion batteries without compromising performance. Today, Sila science powers innovative consumer electronics. Tomorrow, it will fuel our EV future and the electrification of everything. We work directly with leading consumer electronics and automotive OEMs to help accelerate product roadmaps, and partners with battery manufacturers commercial cell production. Our partners include BMW, Daimler, and ATL. Sila Nano’s first products significantly increase the energy density of state-of-the-art lithium-ion batteries. Our materials are manufacturable economically at scale and are drop-in replacements to existing battery manufacturing processes.
Show all 16 investments ↓
Experience · 21 entries
All (21)
Investments (17)
Board (11)
2025
Board Member
Jun 2025
Luminary Cloud is the world’s first Physics AI Model Factory, the fastest and easiest way for engineering companies to build and deploy Physics AI models. Physics AI models enable designers and engineers to instantly predict the physical performance of products like cars, aircraft, electronics and turbomachinery. Luminary is pioneering this new category of AI that will revolutionize how physical products are made. We are doing this by embedding physics intelligence and expertise into the process of engineering design and even into the products themselves. Customers span industries from aerospace and defense, automotive, industrial manufacturing and sporting goods, including Otto Aerospace, Joby Aviation and Sceye. We are hiring! Check out our open roles here: https://ats.rippling.com/luminarycloud/jobs
Board Member
2025
Kai is the AI company rebuilding cybersecurity for the machine-speed era. Founded by the creators of category-defining companies Claroty and SecurityMatters, and trusted by Fortune 500 enterprises, Kai is building a future where security has no categories, no silos, and no human-speed bottlenecks. The Kai Agentic AI Platform replaces fragmented, human-limited workflows with agentic AI systems that continuously contextualize, assess, reason, and execute security work at machine speed - making human defenders, superhuman.
2024
Investor
Dec 2024
Halcyon is a cybersecurity company building products that stop ransomware from impacting enterprise customers. The Halcyon Anti-Ransomware and Cyber Resilience Platform offers layered ransomware protection that combines pre-execution detection, behavioral modeling, deception techniques and, if all else fails, resiliency, recovery and isolation of impacted nodes. To learn more and get a demo, contact us today.
Board Member
Sep 2024
Helping companies to adopt Generative AI without risking the security and privacy of their data. Harmonic Security gives security teams the tools to protect sensitive data without the headaches of labeling and complex rules. Our pre-trained data protection models enable secure innovation through user interaction and gentle nudges. Recognized as an RSA Innovation Sandbox finalist in 2024, Harmonic Security redefines data protection for the GenAI era.
Stealth Robotics Company
Investor
Aug 2024
Show all 21 entries ↓
Investment activity
2018–2025 · 17 investments
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