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Abhijoy Sarkar Top-Executive

I’m an AI Engineer and researcher working at the intersection of large language models, agentic systems, and quantum-inspired architectures. My work focuses on turning cutting-edge AI research into production-ready, scalable, and safe systems.

I founded PromptGuard, an AI-security startup focused on agentic safety and prompt-level threat protection. Alongside this, I consult for PwC’s global AI innovation group, helping modernize their automation and MLOps pipelines.

Previously, I led projects at Multiverse Computing, building a 30B-parameter hybrid LLM and co-authoring research on quantum model compression. Before that, I worked with TheoremOne (via MonkMedia) to develop frontier AI prototypes, including CodeMe, a VS Code AI assistant that could ingest full codebases pre-GPT-4, and AutoRank-LLMs, a benchmarking suite that reduced evaluation costs by 25%.

Earlier, I helped Flipkart scale its voice AI for 200M+ users and worked with Radiant Science on HIPAA-compliant agentic systems in healthcare.

I’m passionate about bridging deep R&D with real-world engineering, whether through startups, open-source, or applied AI consulting.

Beyond my founding work, I serve as a subject-matter expert advisor to institutional investors, consulting firms, and expert networks on AI infrastructure, model compression (tensor networks, quantization, distillation, pruning), inference optimization, and edge / on-device AI deployment. I take engagements through Tegus / AlphaSense, GLG, Guidepoint, and Third Bridge, and am also available directly for technology due diligence, market sizing, and competitive landscape work. Reach out via the email below or any of the expert networks listed.

Email: abhijoy.sar@gmail.com
Blog: abhijoysarkar.blog
GitHub: https://github.com/acebot712

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Invests into

Headquarters: Bengaluru, Karnataka, India
Headline: Co-Founder @ PromptGuard | EF S’26 | Ex-Multiverse Computing | Expert Advisor — AI Infrastructure, Model Compression, Inference Optimization, Edge AI
Followers: 3756
Connections: 3504
Company: Entrepreneurs First
Languages: Bengali, English, Hindi, Spanish
Skills: JavaScript, MongoDB, Python (Programming Language), Competitive Analysis, Market Research, Due Diligence, Pruning, Start-up Leadership, Cybersecurity, Web Development, Computer Science, Data Science, Recommender Systems, MLOps, Computer Vision, Large Language Models (LLM), Artificial Intelligence (AI), Deep Learning, Machine Learning, Reinforcement Learning, Natural Language Processing (NLP), AI Infrastructure, Edge AI, Knowledge Distillation, Quantization Techniques, Tensor Networks, Model Compression, AI Agents, Generative AI, Large Language Models (LLMs)
Experience: Title: Founder in Residence Company: Entrepreneurs First Location: Bangalore Urban, Karnataka, India Start: May 2026 End: Present Title: Co-Founder Company: PromptGuard Location: San Francisco Bay Area Start: Sep 2025 End: Apr 2026 Title: AI Consultant Company: PwC Location: Prague, Czechia Start: Oct 2025 End: Mar 2026 Title: Applied AI Scientist Company: Radiant Science Location: Germany Start: Apr 2025 End: Sep 2025 Title: Senior Machine Learning Scientist Company: Multiverse Computing Location: San Sebastián, Basque Country, Spain Start: Mar 2024 End: Aug 2025 Title: Interim CTO Company: UGC Planet Location: London Area, United Kingdom Start: Oct 2024 End: Dec 2024 Title: AI Researcher Company: TheoremOne Location: Los Angeles, California, United States Start: Jun 2023 End: Nov 2023 Title: Data Scientist Company: Flipkart Location: Bengaluru, Karnataka, India Start: Mar 2021 End: May 2023 Title: Machine Learning Researcher Company: Optum Location: Gurugram, Haryana, India Start: May 2018 End: Apr 2019 Title: Full Stack Developer Company: Freelancer.com Location: Start: May 2016 End: Apr 2017
Education: School: Indian Institute of Technology, Ropar Degree: Master of Technology - MTech Field: Artificial Intelligence Period: May 2019 - Apr 2021
Publications: Seeing Below the Limit of Detection: A Censored-Poisson Bayesian Latent-Growth Change-Point Detector (the Span Detector) for Serial ctDNA in HR+/HER2- Metastatic Breast Cancer (arXiv (q-bio.QM; cs.LG, stat.ME) · Jun 10, 2026) OncoTraj: A Public Benchmark for Longitudinal Resistance Prediction in EGFR-Mutant Non-Small-Cell Lung Cancer on Osimertinib (arXiv (cs.LG; q-bio.GN, q-bio.QM, stat.AP) · Jun 9, 2026) CompactifAI: Extreme Compression of Large Language Models using Quantum-Inspired Tensor Networks (arxiv · May 13, 2024) LSTMSA: A Novel Approach for Stock Market Prediction Using LSTM and Sentiment Analysis (Mar 13, 2020)
Country: India
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