Pavan Kalyan

CEO

San Francisco, California, United States5 yrs 10 mos experience
AI EnabledAI ML Practitioner

Key Highlights

  • Founder of an AI-driven regulatory platform.
  • Expert in Natural Language Processing and Speech Systems.
  • Proven track record in research and development.
Stackforce AI infers this person is a Healthcare AI specialist with expertise in regulatory workflows and Natural Language Processing.

Contact

Skills

Core Skills

Ai DeploymentLeadershipApplied ResearchText-to-speech SynthesisNatural Language Processing (nlp)Research And Development (r&d)Chatbot DevelopmentAdvanced Driver-assistance Systems (adas)Machine LearningTeachingCommunicationCreative Design

Other Skills

ManagementNeuroscience inspired Continual LearningNeuroscience inspired alternatives to backpropagationLarge Language Models (LLM)WritingSpeech ProcessingSpeech SynthesisProsodyResearchPyTorchPython (Programming Language)TeamworkDeep LearningQuestion AnsweringArtificial Intelligence (AI)

About

I’m building Ritivel to bring trust and precision to AI-driven regulatory workflows in life sciences. AI can already read and draft complex regulatory dossiers faster than any human—but without reproducibility, traceability, and security, it cannot be used in regulated environments. Ritivel is built from the ground up to meet that bar. Previously, I worked on state-of-the-art NLP and speech systems as a Research Fellow at Microsoft and an engineer at AppTek, with research recognized at NeurIPS, ACL, and EACL. Today, I’m translating that research into an enterprise-grade platform that understands Clinical Study Reports and regulatory guidelines at full document scale. At Ritivel, every output is 100% reproducible, fully traceable to source documents down to the word level, and generated in a local-first, zero-trust environment. Our system processes 10,000+ page submissions instantly, reducing drafting time by up to 80%—without compromising auditability. If you’re looking to modernize your regulatory submission lifecycle with AI you can actually trust, I’d be glad to connect. 📩 pavan@ritivel.com

Experience

5 yrs 10 mos
Total Experience
1 yr
Average Tenure
8 mos
Current Experience

Ritivel (yc w26)

Founder & CEO

Sep 2025Present · 8 mos · San Francisco, California, United States · On-site

  • Building an AI-native regulatory platform for Life Sciences
  • Backed by Y Combinator (W26)
  • At Ritivel, our mission is simple: get medicines to patients at the speed of innovation, not regulation
  • We help Regulatory Affairs teams move from manual, document-heavy execution to strategic oversight, using secure, enterprise-grade AI purpose-built for regulatory workflows
  • Built by researchers from Microsoft Research, Ritivel is the partner of choice for pharma teams modernizing IND, NDA, and post-market submissions
AI deploymentApplied ResearchLeadershipManagement

Microsoft

Research Fellow

Jul 2024Jul 2025 · 1 yr · Banglore · On-site

  • 1. Neuroscience inspired Continual Learning and Catastrophic forgetting
  • 2. Neuroscience inspired alternatives to backpropagation
Neuroscience inspired Continual LearningNeuroscience inspired alternatives to backpropagationApplied Research

Apptek

Speech synthesis researcher

Nov 2023Jun 2024 · 7 mos · Aachen, North Rhine-Westphalia, Germany · Remote

  • Worked on creating Text-to-Speech systems and data creation pipelines for European languages.
Text-to-Speech SynthesisLarge Language Models (LLM)

Indian institute of technology, bombay

Graduate Teaching Assistant

Aug 2023May 2024 · 9 mos · Mumbai, Maharashtra, India · On-site

  • Graduate Teaching Assistant | Speech, NLP and the Web
  • Evaluating assignments and conducting tutorial sessions to assist 130+ students in understanding course content
  • Creating immersive NLP assignments to provide students with practical experience for applying course concepts

Computation for indian language technology (cfilt) lab

Graduate Research Assistant

Jul 2023May 2024 · 10 mos · Mumbai, Maharashtra, India · On-site

  • Advisor : Prof. Pushpak Bhattacharyya, Prof. Preethi Jyothi, Prof. Preeti Rao | Collaboration: Nvidia
  • Developed a novel Hindi storytelling TTS dataset with 18 hours of speech using a custom‐built automatic pipeline
  • Devised an automatic pipeline for extracting, denoising, segmenting, and transcribing the YouTube audios for TTS
  • Collaborated with a team of 7 annotators to devise an annotation tool for annotating new Hindi discourse dataset
WritingSpeech ProcessingSpeech SynthesisProsodyNatural Language Processing (NLP)Research+2

Csalt lab, iit bombay

2 roles

Research Assistant

Jun 2023May 2024 · 11 mos · Mumbai, Maharashtra, India

  • Working on Out‐of‐domain Generalization in Multimodal Machine Learning
  • Advisor : Prof. Preethi Jytohi | Research Project Collaboration: Google Research
  • Utilized asyncio and aiohttp library to mine 27M image‐text pairs from Wikipedia through asynchronous API calls
  • Performed text and image‐based filtering to remove generic images retaining around 90% of 1.1M unique images
  • Curated diverse test splits based on gender, ethnicity, and topic using 6.2M pages of the Wiki Diversity Observatory
Research and Development (R&D)

Undergraduate Research Assistant

Aug 2022Jun 2023 · 10 mos · Mumbai, Maharashtra, India

  • Designing a deep-learning based chatbot for solving administrative queries of students in universities
  • Performed data scraping on administrative website of the university using BeautifulSoup and Selenium
  • Adapted and fine-tuned a pre-trained Sentence transformer model from HuggingFace, applied cosine similarity on the sentence embeddings to retrieve and rank answers from a stack of text documents
  • Formulating a framework to obtain Question answering dataset from the above method for finetuning large-language models like GPT-2 and conversational models like DialoGPT and DialoRPT
  • Devising a knowledge-graph based Question-answering system for structured data like course
  • information, and conceptualizing the evaluation framework and dataset for testing the chat-bot
Python (Programming Language)TeamworkDeep LearningQuestion AnsweringNatural Language Processing (NLP)Research+5

Telesoft

NLP-Speech Application Engineer

Jun 2023Nov 2023 · 5 mos · Mumbai, Maharashtra, India · Hybrid

  • Devised an automatic call routing system via ASR and Intent Recognition reducing call‐center agent requirements
  • Achieved an accuracy of 97% for customer call intent classification using language model fine‐tuned on banking data
  • Developed an Indian english TTS deployed for use in voice bot and automatic call routing system
Applied ResearchResearch and Development (R&D)AI deployment

Computation for indian language technology (cfilt) lab

Undergraduate Research Assistant

Aug 2022Apr 2023 · 8 mos · Mumbai, Maharashtra, India · On-site

  • Advisor : Prof. Pushpak Bhattacharyya, Prof. Preethi Jytohi, Prof. Preeti Rao
  • Created an English storytelling TTS dataset with 33 hours of speech scraped from the internet using BeautifulSoup
  • Developed storytelling TTS preferred by 86% of the listeners over standard baseline using multi‐speaker VITS TTS
  • Sole student author of the accepted paper in Proceedings of Interspeech (24th Annual Conference of ISCA) 2023

Bosch global software technologies

Project Trainee

May 2022Aug 2022 · 3 mos · Bangalore Urban, Karnataka, India

  • Introducing new features in the scalable simulation platform for ADAS feature testing and validation
  • Integration of Carmaker - industrial simulation tool with ROS (Robot Operating System) framework
  • Implementing different interfacing techniques with ROS to control the toy robots using C++ scripts
Python (Programming Language)Robot Operating System (ROS)Analytical SkillsAdvanced Driver-Assistance Systems (ADAS)Problem SolvingC+++3

Skillshare

Creative Entrepreneur

Jan 2021Oct 2021 · 9 mos

  • Graphic designer and Digital Artist
  • Certified Artist on Print-on-Demand websites like Society6 having a global community of 300,000+
  • independent artists, to sell original designs on an array of different products to customers around the world
  • Recorded and Published an engaging, Project-based and authentic class on Digital Portraiture using
  • Adobe Illustrator on Skill share, an online learning community for creative professionals and students
  • Co-authoring an Illustrative book for JEE Motivation based on Interviews given by toppers of 2019 and 2020
CommunicationAdobe PhotoshopAdobe IllustratorAdobe InDesignCreative Design

Indian institute of technology, bombay

Undergraduate Teaching Assistant

Nov 2020Jun 2022 · 1 yr 7 mos · Mumbai, Maharashtra, India

  • Teaching assistant for the undergraduate introductory course PH107 "Quantum Physics and Application"
  • Mentored 43 first-year Undergraduate students, and conducted tutorial sessions on online video conferences.
  • Focused on academically weak students and boosted their performance by solving doubts and taking continuous
  • reviews about the difficulties faced by them through online survey platforms.
  • Co-operated with the course in charge of successful conduction and evaluation of online examinations.
Quantum MechanicsCommunicationTutoringTeachingOnline Tutoring

Cuemath

Teacher expert

Sep 2020Jun 2022 · 1 yr 9 mos · United States

  • Cuemath is an after-school math learning program designed by alumni of IIT, IIM, Stanford, Cambridge, and Harvard.
  • Certified as an International CUEMATH Teacher with erudite knowledge of it’s online teaching interface
  • Stimulating math skills among students of grades 1 to 10 from USA and Canada through meticulous cueing
  • Persuading and convincing parents through structured online Individualized Demo sessions for students
  • Maneuvering a set of 10+ students throughout their weekly curriculum for enhancing Math Skills
SalesTeachingMentoring

Techfest, iit bombay

2 roles

Event Coordinator

May 2020Jun 2022 · 2 yrs 1 mo · Mumbai Metropolitan Region

  • Asia’s Largest Sci-Tech Festival
  • Collaborating with 100+ neurologists to train teachers in 150+ schools to respond to epileptic seizures
  • Managing and leading 50+ college ambassadors from 30+ universities to conduct workshops and events
  • Strategizing and managing Virtual International Exhibitions by coordinating with Technical and Educational
  • Institutes from 40+ countries for exhibiting their innovative and advanced technical products
  • Ideating and developing the logistics of Virtual Auto Expo by contacting and associating with popular Automobile Companies from 40+ countries for exhibiting their cars and automobile technology
Communication

organiser

Jan 2020May 2020 · 4 mos · Mumbai Metropolitan Region

Education

Indian Institute of Technology, Bombay

Bachelor of Technology - BTech+MTech(dual degree)

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