Joubin Mirzadegan

Joubin is CEO of Roadrunner and a Partner at Kleiner Perkins, where he leads the portfolio operating team, helping founders scale history-making companies. Before Kleiner Perkins, Joubin built and led multiple sales organizations through successful acquisitions. He is also the creator and host of Grit, a top 1% podcast worldwide.

Ajay Natarajan

Ajay began his undergrad at Caltech at age 16 and concurrently served as a software engineer for NASA, where he built the software that is now used to help guide the Mars Rover. He graduated #2 in his class and was the first person to do a double major in CS and Economics with a minor in Data Science. After graduation, he was a software engineer and tech lead on Robinhood’s crypto team. He then founded his first startup, Athena, an AI platform which helped over 2% of all U.S. college-bound students optimize their college applications.

Eugene Shao

Eugene co-founded Athena with Ajay, and was responsible for scaling the engineering architecture to serve tens of thousands of concurrent users. Before that, he developed high-throughput systems at Citadel and Meta, built software that is currently on the International Space Station, and was ranked top 11 in the U.S. Astronomy and Astrophysics Olympiad.

Visv Shah

Visv is Roadrunner's first employee. Before Roadrunner, Visv spent time at Databricks, Snowflake, and Bloomberg. He studied computer science at Purdue and is a Kleiner Perkins Fellow, gravitating toward zero-to-one product problems. Visv was crazy enough to leave school and join us on this ambitious mission.

Julen Lujambio

Julen unites deep customer obsession with design vision and sharp product judgment. He previously spent over two years at Atlassian in PM roles, and began his career gaining cross-functional experience at Meta, BCG, and Caltech. A Caltech CS graduate and former varsity cross-country and track captain, Julen has a long track record of leadership, from collegiate athletics to high school valedictorian, and brings a user-obsessed, analytical approach to product building.

Ellie Lupo

Ellie previously spent seven years at Grammarly, where she helped scale the company from ~120 to ~1,200 employees and built high-impact recruiting, systems and program operations across multiple functions. A Cal Poly graduate in Political Science, Ellie brings deep expertise in cross-functional execution, organizational design, and people infrastructure, making her the connective tissue that keeps Roadrunner running smoothly as it grows.

Irene Guo

Before Roadrunner, Irene was the sole product designer at Open Raven (now acquired by Intellistack). A UC San Diego graduate in Cognitive Science (Design & Interaction), Irene brings a rare blend of systems thinking, user empathy, and executional rigor honed through work in civic tech, healthcare research, and early-stage startups.

Gracie Jing

Before Roadrunner, Gracie spent three years at Brex developing production systems across one of the industry’s most advanced fintech stacks and previously held engineering roles at Amazon, Fidelity, and PatchRx. A Cornell Computer Science graduate and Kleiner Perkins Engineering Fellow, Gracie brings a multidisciplinary foundation across engineering, design, and product, shaped by her experience with Cornell AppDev, where she helped design and run several widely used campus apps.

Keaton Subjeck

Previously, Keaton was the first engineering hire and fifth employee at CloudTrucks, where he helped build and scale products that automated key operational workflows. Keaton began his career at SurveyMonkey and holds a degree in Computer Science from Stanford, where he competed as a varsity wrestler. Keaton is passionate about building products that simplify complex systems and enable teams to operate at their best.

Steve Guo

Steve previously spent 4.5 years on DoorDash’s ML Infrastructure team, working on reliability for large-scale feature stores and microservices that powered thousands of ML models servicing billions of predictions per year. He graduated from Caltech with a 4.0 GPA in Computer Science and deeply enjoys teaching, previously serving as Ajay and Eugene’s TA for core CS theory and systems courses. Currently, Steve is teaching a competition math class for middle schoolers.

Chris Yang

Before Roadrunner, Chris was a software engineer at Robinhood, where he built high-scale trading systems on the Fractional Trading team, supporting products used by millions of investors. He previously spent time at Amazon, PagerDuty, and Ontraport, gaining experience across infrastructure, reliability, and full-stack development. Chris holds a B.S. in Computer Science from UC Santa Barbara and brings a production-first mindset to building resilient financial systems.

Bryan Crampton

For the past three years, Bryan was the Head of Engineering at Tesorai where he led engineering strategy and execution across the company. Before that, he spent six years at Verily (Google Life Sciences), where he grew from software engineer to engineering manager building complex health technology systems. Earlier in his career, he founded and scaled multiple startups, including an iOS app company with 28 published apps and over 70,000 sales, and held engineering roles at Venmo. A Dartmouth College graduate in Biomedical Engineering, Bryan brings deep technical leadership and founder-level ownership.

Jared Gizersky

At 16, Jared co-founded BanterAI, where he served as Head of Engineering and built the company’s AI phone-call platform from zero to over one million users. His work has been featured in The Wall Street Journal, Bloomberg, and The Guardian. Before that, Jared led large-scale system modernization projects for federal agencies and built machine learning and security systems across satellite imagery, compliance, and enterprise cybersecurity. Currently a student at Duke (degree on hold), Jared brings a rare blend of founder-level execution, AI systems depth, and real-world production experience.