CV & Bio

Bio

Tushar Karayil (Tushar Karayil Ravindran): With over 17 years of experience across Deep Learning research, Machine Learning, and Software Development, I work on Large Language Models and ML-driven solutions to real-world problems.

I hold a PhD (Dr. rer. nat.) from RPTU, Germany, where I investigated Deep Learning approaches to Affective Image Captioning. A full list of my publications is available on Google Scholar.

Over the course of my career, I have led multi-institutional research projects, co-founded an AI-pharma startup, and built production AI systems at scale. I am driven by the challenge of turning cutting-edge research into practical, impactful applications.

Career Summary

  • 17+ years of industry experience.
  • 12+ years of experience in Deep Learning research.
  • 10+ years of experience in Software Development.

Professional Experience

Research Scientist

ZScaler · USA / India

2023 – Present
  • Develop PoCs and prototypes to enhance product AI capabilities (focus on LLMs, outlier detection, and time-series analysis)
  • Conduct research on state-of-the-art machine learning models
  • Collaborate with ML engineering teams to integrate prototypes into production
  • Work with research scientists on publications and patents
  • Collaborate with executives to define company AI strategy and direction

Senior Researcher

DFKI (German Research Center for AI) · Germany

2016 – 2023
  • Led multi-institutional Deep Learning and Machine Learning research projects
  • Conducted fundamental research on Large Language Model architectures (e.g., GPT, BERT)
  • Performed predictive analysis, data science, and rapid prototyping
  • Published research papers
  • Managed teams and guided junior researchers and engineers

CTO / Co-Founder

AI-Pharma Startup · Berlin, Germany

2020 – 2023
  • Designed AI strategy for a Berlin-based pharma startup
  • Researched AI applications in modeling biological interactions
  • Guided technical team and infrastructure decisions

Research / Academics

RPTU (TU Kaiserslautern) · Germany

2012 – 2015
  • Enrolled in Graduate and PhD Program in Machine Learning

Senior Software Engineer

Novell Inc. · India

2010 – 2012
  • Senior backend developer on SUSE-based Linux systems
  • Product development, unit testing, and L3 support (bug fixes, customer interaction)
  • Led and managed junior developers

Systems Software Engineer

IBM Software Labs · India

2005 – 2010
  • Software developer on UNIX-based transaction systems (TXSeries)
  • Full-stack development, unit testing, and product support

Education

PhD (Dr. rer. nat.), Deep Learning based Affective Image Captioning

DFKI (German Research Center for AI)/RPTU · Germany

2016 – 2020

Dissertation: Affective Image Captioning — Extraction and Semantic Arrangement of Image Information with Deep Neural Networks.

Master of Science, Deep Learning / Machine Learning

RPTU · Germany

2012 – 2015

Bachelor of Technology, Computer Science

National Institute of Technology, Calicut · India

2001 – 2005

Publications

Dissertation

Affective Image Captioning: Extraction and Semantic Arrangement of Image Information with Deep Neural Networks

Available at: KLUEDO

Complete list of publications available at: Google Scholar

Expertise

Fields

Deep LearningMachine LearningData ScienceLarge Language Models

Programming Languages

PythonCC++

Frameworks

PyTorchTensorFlowKeras

Databases

SQL DatabasesNoSQL Databases

Cloud Platforms

AWSGoogle Cloud