Akshat Bubna is a co-founder and the CTO of Modal, which builds a serverless cloud platform for data, AI and machine learning applications on its own file system, container runtime and scheduler. Bubna co-authored Modal's 2026 engineering post on how the company achieved serverless GPUs.123
At a glance
- Current role
- Co-founder and CTO
- Company
- Modal
- Sector
- Company
- Work listed
- 1
- Sources cited
- 3
- Profile reviewed
Modal
Bubna and Erik Bernhardsson are Modal's founders, and Modal's blog lists Bubna as CTO and co-founder. Modal describes building its own infrastructure, including a custom file system, container runtime, scheduler and container image builder, so that customers can scale workloads such as generative AI inference and model fine-tuning across CPUs and GPUs.12
In May 2026 Bubna co-authored, with Charles Frye, Jonathon Belotti and Erik Bernhardsson, Modal's engineering post on making GPUs serverless, which describes the company's work over five years on fast replica start-up for inference workloads.3
Work and contributions
Modal serverless GPU infrastructure Proprietary product
Co-author of Modal's post describing the techniques behind its serverless GPUs, including buffers of idle GPUs and a custom filesystem that serves container images lazily.3
Timeline
- Co-authored Modal's engineering post on achieving serverless GPUs.3
Where they work
- Modal 3 people in the wiki
Related people
- Erik BernhardssonAlso at Modal
- Thomas J. FanAlso at Modal
- Olivier ChafikDeveloper tools · Inference and serving
- Sigbjørn SkjæretInference and serving · Developer tools
- Luis Héctor ChávezDeveloper tools · Inference and serving
- Matt HicksInference and serving · Developer tools
- Radoslav GerganovInference and serving · Developer tools
- Matthew PrinceInference and serving · Developer tools
- Tim DavisDeveloper tools · Inference and serving
- Aldehir RojasInference and serving · Developer tools
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References
3 sources · profile reviewed Oct 22, 2026 · data updated Oct 22, 2026