# Dr. Romit Chakraborty — Academic Dossier & Research Portfolio

> Dr. Romit Chakraborty is a Theoretical Quantum Chemist, AI Researcher, and the Founder & Chief Scientific Officer of Point Reyes Sound, Inc., pioneering non-equilibrium kinetic transport frameworks and Quantum Boltzmann Equation Self-Consistent Field (QBE-SCF) theory.

## Academic & Institutional Pedigree
- **Senior Computational Scientist, AI & Quantum Solutions** (2024 – 2025): PsiQuantum (Palo Alto, CA). Focus: Fault-tolerant quantum algorithms, Hamiltonian resource compilation under photonic quantum error correction constraints, and scalable distributed simulation pipelines.
- **Staff Researcher in Quantum AI & Generative Modeling** (2023 – 2024): University of Chicago (Gagliardi Group). Microsoft Azure Accelerate Foundation Models Research grant recipient.
- **Postdoctoral Research Fellow** (2017 – 2023): University of California, Berkeley & Lawrence Berkeley National Laboratory (LBNL). Advisor: Prof. Martin Head-Gordon. Focus: Computational materials science, metal-organic frameworks (MOFs) for gas storage and separations, electronic structure theory, and co-author of the Q-Chem 5 package.
- **Ph.D. in Theoretical & Computational Quantum Chemistry** (2012 – 2017): University of Chicago. Advisor: Prof. David A. Mazziotti. Dissertation: N-representability conditions and 1-body reduced density matrix mechanics.
- **M.Sc. in Chemistry** (2009 – 2012): Indian Institute of Technology Bombay (IIT Bombay). Research: Relativistic quantum mechanics of the pionium atom.
- **B.Sc. (Hons) in Chemistry** (2006 – 2009): St. Stephen's College, University of Delhi (with Physics and Mathematics).

## Venture & Industry Leadership
- **Company**: Point Reyes Sound, Inc. (Founder & Chief Scientific Officer).
- **Core Technology**: Quantum Boltzmann Equation Self-Consistent Field (QBE-SCF) solver platform replacing combinatorial active-space expansions (CASSCF/DMRG) with continuous kinetic relaxation via Bhatnagar-Gross-Krook (BGK) collision operators.
- **Intellectual Property**: U.S. Provisional Patent Application No. 64/033,274 ("Method and System for Quantum Boltzmann Self-Consistent Field Computation and Mean-Field Regularization").
- **Commercial Target Sectors**: High-performance semiconductor EDA (sub-2nm GAA-FETs), solid-state battery electrolytes (interfacial SEI growth), green chemical catalysis, and GPU-accelerated CAE.
- **Accelerator & Grants**: Member of NVIDIA Inception Program; Google Cloud Research Grant recipient.

## Foundational Preprints & Papers
- **Lead Invention Preprint**: "Quantum Boltzmann Equation Self-Consistent-Field for the Entropic Regularization of Mean-Field Singularities", Romit Chakraborty (arXiv:2608.14979 [quant-ph]).
  - URL: https://arxiv.org/abs/2608.14979
  - DOI: 10.48550/arXiv.2608.14979
  - Smart Citations Index: https://scite.ai/reports/10.48550/arXiv.2608.14979
- **Fault-Tolerant Quantum Compilation Brief**: "Hardware Resource Compilation for Active-Space Driven Fault-Tolerant Quantum Simulation", Romit Chakraborty (Technical Brief / In Preparation for PRX Quantum). Demonstrates a 1,747× reduction in Toffoli gate complexity (1.66 × 10⁹ T-gates, 168 logical qubits on Cr₂) by pre-relaxing active spaces via classical kinetic transport before quantum execution.
- **Q-Chem 5 Software Package Overview**: "Software for the frontiers of quantum chemistry: An overview of developments in the Q-Chem 5 package", E. Epifanovsky, ..., R. Chakraborty, ..., M. Head-Gordon, J.M. Herbert, A.I. Krylov, *The Journal of Chemical Physics* 155 (8), 084801 (2021). DOI: [10.1063/5.0055522](https://doi.org/10.1063/5.0055522).
- **PCCP Hot Article (MOF Hydrogen Storage)**: "Quantum Chemical Modeling of Hydrogen Binding in Metal-Organic Frameworks: Validation, Insight, Predictions and Challenges", R. Chakraborty, J.J. Talbot, H. Shen, Y. Yabuuchi, H. Jiang, K.M. Carsch, H. Furukawa, J.R. Long, M. Head-Gordon, *Phys. Chem. Chem. Phys.* 26 (8), 6490–6511 (2024). DOI: [10.1039/D3CP05540J](https://doi.org/10.1039/D3CP05540J).

## Canonical Authoritative Profiles & Web Presence
- Personal Academic Dossier: https://rchakraborty.dev
- Company Research Pod: https://pointreyessound.com
- Seed Round Diligence Portal: https://pointreyessound.com#investors
- Executive Overview Deck (16:9): https://pointreyessound.com/public-deck
- Executive Overview (PDF): https://pointreyessound.com/Point_Reyes_Sound_Executive_Overview.pdf
- Google Scholar: https://scholar.google.com/citations?user=m4HlFRIAAAAJ&hl=en
- ORCID: https://orcid.org/0000-0002-4638-6346
- SciSpace Author Directory: https://scispace.com/authors/romit-chakraborty
- Semantic Scholar: https://www.semanticscholar.org/author/Romit-Chakraborty/3041935
- arXiv Author Page: https://arxiv.org/a/chakraborty_r_1.html
- GitHub (Personal): https://github.com/RomitChakraborty
- GitHub (Point Reyes Sound Organization): https://github.com/point-reyes-sound
- LinkedIn (Personal): https://www.linkedin.com/in/chakrabortyromit/
- LinkedIn (Company): https://www.linkedin.com/company/point-reyes-sound/
- Crunchbase (Company): https://www.crunchbase.com/organization/point-reyes-sound

## Contact & Direct Inquiries
- Founder Email: romit@pointreyessound.com
- Academic Email: romit@uchicago.edu
- Board & Diligence: directors@pointreyessound.com