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
Machine Learning Scientist
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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