Artificial intelligence
10 Amazon AGI applied scientists
These ten current Amazon AGI applied scientists hold applied scientist roles tied to Amazon AGI or AGI Foundations at Amazon. A reader can learn what applied scientist work at Amazon AGI involves from people who have done it.
Professionals to explore
01—10Avik Ray
LinkedInExperience: Senior Applied Scientist - Amazon AGI · Amazon
Senior Applied Scientist - Amazon AGI since 2026 and Applied Scientist - Amazon AGI (2024–2026); their summary says they work on post-training of frontier LLMs with a focus on agentic applications and RL. Avik Ray was Applied Scientist - Amazon Alexa (2021–2023) and Staff AI Research Scientist at Samsung Research America.
Constantinos (Costas) Papayiannis
LinkedInExperience: Senior Applied Scientist - AGI Foundations · Amazon
Senior Applied Scientist - AGI Foundations at Amazon since 2025, with a headline naming speech applications at Amazon AGI. Constantinos (Costas) Papayiannis was Senior Applied Scientist - TTS at Amazon (2023–2025) and Applied Scientist - Alexa Edge ML (2019–2022), and holds a PhD from Imperial College London.
Ganesh Ramachandra Kini
LinkedInExperience: Applied Scientist AGI-Foundations · Amazon
Applied Scientist, AGI-Foundations at Amazon since 2025; their summary says they work on large-scale multimodal foundation models focused on conversational speech AI, including pretraining data curation and multimodal tokenization. Ganesh Ramachandra Kini completed a PhD at UC Santa Barbara (2019–2024).
Jia-Hong Huang
LinkedInExperience: Applied Scientist · Amazon AGI
Applied Scientist at Amazon AGI since 2025; their summary says they develop full-duplex speech systems with natural turn-taking and real-time voice interaction for conversational AI. Jia-Hong Huang was a postdoctoral researcher at the University of Amsterdam (2023–2025) and a Marie Skłodowska-Curie Fellow.
Mengwen Liu
LinkedInExperience: Applied Scientist · Amazon AGI
Applied Scientist at Amazon AGI since 2023, according to their profile, in the research department. Mengwen Liu was Applied Scientist at Amazon Alexa (2018–2023) and a visiting researcher at TCL Research America (2014–2017), and is based in Seattle, Washington.
Rajshekhar Das
LinkedInExperience: Applied Scientist · Amazon AGI Foundations
Applied Scientist at Amazon AGI Foundations since 2023; their summary describes work on multimodal foundation models and the development of multimodal LLMs through data-centric approaches. Rajshekhar Das was Applied Scientist at Amazon Web Services in 2023 and a PhD student at Carnegie Mellon University (2017–2023).
Robik Shrestha
LinkedInExperience: Applied Scientist II at Amazon AGI · Amazon
Applied Scientist II at Amazon AGI since 2024; their summary says their main contribution is research and development of the Nova foundation models, focused on multimodal understanding, visual grounding, document understanding and agentic AI. Robik Shrestha was a graduate research assistant at Rochester Institute of Technology.
Tobias Falke
LinkedInExperience: Principal Applied Scientist, Amazon AGI · Amazon
Principal Applied Scientist, Amazon AGI at Amazon since 2025 and Senior Applied Scientist, Amazon AGI in Berlin (2023–2025), with a highlight citing work by Amazon AGI on Amazon Nova. Tobias Falke was Senior Applied Scientist, Alexa AI (2021–2023) and Applied Scientist, Alexa AI (2019–2021) at Amazon.
Vivek Subramanian
LinkedInExperience: Senior Applied Scientist, AGI Foundations · Amazon
Senior Applied Scientist, AGI Foundations at Amazon in Cambridge, Massachusetts since 2025 and Applied Scientist, AGI Foundations (2024–2025). Vivek Subramanian was Applied Scientist, Alexa AI at Amazon (2021–2024) and a postdoctoral research associate at Duke University (2018–2021).
Xuandi Fu
LinkedInExperience: Applied Scientist II, Amazon AGI · Amazon
Applied Scientist II, Amazon AGI in Seattle since 2024, according to their profile. Xuandi Fu was Applied Scientist at Amazon (2022–2024) and a research assistant at Carnegie Mellon University (2020–2021) and at The Hong Kong Polytechnic University (2019).
Choose the right perspective
Match the area each person names in their own title or summary to your question. Check their seniority and the roles they held before their current one, since that shapes which parts of the work they can compare.
Questions to take into the conversation
- 01How is applied science on a foundation model team split between research, data work and engineering?
- 02How do applied scientists decide when a model improvement is ready to ship?
- 03How does work on frontier models differ from applied science on a single product such as a voice assistant?
Reaching Amazon AGI applied scientists
How can I contact one of these Amazon AGI applied scientists?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 3 companies: Amazon, Amazon AGI and Amazon AGI Foundations, based on profile data retrieved on October 15, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Amazon AGI applied scientists?
You choose the offer, starting at $5 per person. The offer is what the person receives, and Instant Expert's fee is added on top, so a $100 offer costs you $125. The fee is 20% of what you pay. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
Can an AI agent ask one of these Amazon AGI applied scientists a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. x402 docs
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot; roles marked former had ended by then. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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