Uday Ruddarraju is an Indian-origin technology executive and infrastructure engineering expert who serves as Chief Technology Officer (CTO), Compute at OpenAI. He is responsible for leading the company’s global compute infrastructure, which powers the training and deployment of advanced AI models such as GPT-5.6 and future frontier models. He was promoted to the role of CTO, Compute, in July 2026, about a year after joining OpenAI from Elon Musk’s xAI.
Early Life and Education
Uday Ruddarraju was born and raised in Hyderabad, India. His educational background includes:
- Bachelor of Engineering (Computer Science) from Chaitanya Bharathi Institute of Technology (CBIT), Hyderabad
- Master of Science (Computer Science) from the University of Minnesota, Twin Cities, USA
While studying at CBIT, he secured an internship at Amazon Web Services (AWS), where he gained early experience with cloud technologies.
Career Journey
Amazon Web Services (AWS) Internship
He started his career with an internship at Amazon Web Services (AWS). During his college years, he worked on cloud infrastructure technologies, gaining practical experience in cloud computing.
eBay (2013–2017)
At eBay, Uday Ruddarraju worked on cloud infrastructure projects. He contributed to Kubernetes adoption across platforms. He also helped build and improve large-scale distributed systems while supporting platform modernization initiatives. His final role was Senior Member of Technical Staff and Technical Lead.
Robinhood (2018–2024)
At Robinhood, Uday Ruddarraju spent nearly six years building large-scale infrastructure. He was promoted to Senior Director of Engineering. He led the Infrastructure Engineering organization. He helped scale the platform from around 1 million to over 24 million users and managed approximately 160 engineers.
xAI (2024–2025)
Uday Ruddarraju joined Elon Musk’s xAI as the Head of Infrastructure Engineering. He led work on AI infrastructure, GPU clusters, networking, and storage systems. He also helped build compute platforms for large language models. Reports suggest he played a key role in developing the infrastructure behind xAI’s large-scale AI systems before joining OpenAI.
OpenAI (2025–Present)
Uday Ruddarraju joined OpenAI in July 2025 as the Head of Compute Infrastructure. A year later, in July 2026, he was promoted to Chief Technology Officer (CTO), Compute. He announced the promotion on LinkedIn and said his team focuses on bringing new compute capacity online. He added that they develop systems across compute, networking, storage, and machine learning needed to train frontier models.
What Does OpenAI’s CTO of Compute Do?
As CTO, Compute, Uday Ruddarraju oversees:
- AI supercomputing infrastructure
- GPU clusters
- Networking systems
- Storage architecture
- Distributed computing
- Data center expansion
- Hardware engineering
- Manufacturing partnerships
- Infrastructure reliability
- Large-scale AI training systems
His role is central to ensuring OpenAI has the computing power needed for increasingly advanced AI models.
Areas of Technical Expertise
Uday Ruddarraju is known for expertise in:
- AI infrastructure
- Distributed systems
- Cloud computing
- Kubernetes
- GPU computing
- Data center architecture
- Networking
- Storage engineering
- Platform reliability
- High-performance computing
Over the years, Uday Ruddarraju has taken on increasingly influential engineering leadership roles. His work in cloud infrastructure and AI compute has made him a key figure behind the systems that power modern artificial intelligence.
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