Prerna Chikersal

Applied Machine Learning Scientist | Ph.D., Carnegie Mellon (ML & Health) | RAG, AI Agents, Fine Tuning LLMs, Personalization, Sort and Recommendation Systems

Role
Machine Learning Scientist at Tripadvisor
Location
Pittsburgh, PA, US
LinkedIn followers
500 followers

About Prerna Chikersal

10+ years of experience driving machine learning innovation in academia and industryBuilt and deployed ML and LLM systems to production, delivering measurable improvements in engagement and revenueDeep expertise in Large Language Models — fine-tuning (SFT, DPO/RLHF), retrieval-augmented generation (RAG), efficient adaptation (PEFT, LoRA/QLoRA), and multi-agent LLM (agentic AI) frameworksAuthored peer-reviewed publications in leading computing and applied ML venuesCollaborative, results-driven scientist with a proven record of translating ML advances into scalable, real-world impact through close partnership with product and engineering teams, and mentoring junior collaborators.**Google Scholar page for publications: & hl=en**

Experience

  1. Machine Learning Scientist

    Tripadvisor

    Jun 2023 — Present · Pittsburgh, PA, US

    I develop and deploy large-scale ML systems — spanning Agentic AI/RAG pipelines, NLP, and ML based algorithms — powering TripAdvisor’s sort and recommendations for experiences and points of interest.

Education

  • Carnegie Mellon University

    Master of Science (M.S.), Robotics

  • Carnegie Mellon University

    Master of Science - MS, Human Computer Interaction

  • Delhi Public School - R. K. Puram

    High School, High school

    1996 — 2011

  • Carnegie Mellon University

    Doctor of Philosophy - PhD, Machine Learning & Health

  • Columbia University

    Undergraduate Visiting Student, Computer Science

  • Nanyang Technological University Singapore

    Bachelor of Engineering (B.Eng.), Computer Science

Skills

  • C++
  • Matlab
  • Xml
  • Ocaml
  • Wordpress
  • Php
  • Python
  • Latex
  • Vrml
  • Openni
  • C
  • Ajax
  • Photoshop
  • Qt
  • Jquery
  • Verilog
  • Opencv
  • Mysql
  • Jdbc
  • Opengl
  • Css3
  • Jsp
  • Microsoft Office
  • Javascript
  • Html 5
  • Java

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Prerna Chikersal — Machine Learning Scientist at Tripadvisor in Pittsburgh, PA, US | Unifers