Karthik Mohan

About Karthik Mohan

8+ years of experience at Microsoft working as a Data & Applied Scientist skilled in LLM mid/post training, Prompt engineering, Model compression ( inference ), A/B experimentation and Metrics monitoring.5+ years of experience at IBM working on circuit design & power leadership for high frequency processors used to support AI workloads in linux servers and mainframe systems.

Experience

1. Senior Data & Applied Scientist

   Microsoft

   Jan 2017 — Present · Bellevue, WA, US

   Notable projects include the following in reverse chronological order:(2025–present): LLM post-training on OpenAI’s GPT family of models (4o, o1, o3-mini, etc.) to build declarative agents like Analyst Agent and Computer Use Agent for Enterprise Copilot.(2023–2024): Prompt engineering, LLM post-training, model orchestration, and A/B experimentation for Consumer Copilot during reasoning, response generation, and follow-up suggestion chip generation.(2022): LLM post-training for trending news headlines and redirect query generation for Microsoft News.(2020–2021): LLM post-training (OpenAI Codex family of models) and model compression for GitHub Copilot.(2019–2020): Full-stack personalized content recommendation system with a focus on data, model training, and metrics.(2018): Multi-task learning and knowledge distillation for models classifying news articles based on semantic understanding.(2017): ML models used for entity triggering in Bing Search for specific domains like video games, travel, etc.

Education

• Penn State University

  Master's degree, Computer Science and Engineering

  2015 — 2016

• TVS Lakshmi Matriculation Higher Secondary School

  Science

  2002 — 2006

• Anna University Chennai

  B.E, Electronics & communication Engineering

  2006 — 2010

Skills

• Python
• Machine Learning
• Vlsi
• C++
• Algorithms
• Systemverilog
• Perl
• Embedded Systems
• Very-Large-Scale Integration (Vlsi)
• Tcl
• Microcontroller
• Verilog
• C
• Wireless Networking
• Vhdl
• Circuit Design
• Cadence Virtuoso
• Static Timing Analysis
• Computer Architecture
• Processors
• Rtl Design
• Fpga
• Asic
• Matlab