Gareth Roberts, Ph.D

Senior AI Research Scientist

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About

Innovative Senior AI Research Scientist with over a decade of expertise, driving frontier AI development across regulated and mission-critical domains. Proven leader in delivering enterprise-scale language model solutions that enhance decision speed, reduce latency, and elevate system trustworthiness. Specializes in LLM fine-tuning, MLOps, and AI safety, with a focus on scalable and responsible AI that generates real-world value.

Work Experience

Director

Hyperpriors

Feb 2024 - Present

Sydney, NSW, Australia

Led the production scaling of a GenAI prototype, optimizing deployment pipelines for 24/7 availability and significant cost reductions.

  • Scaled a GenAI prototype to production using advanced MLOps, reducing latency by 30% and achieving 99.9% uptime.
  • Optimized deployment pipelines to deliver 24/7 availability and decrease operational costs by 20%.
  • Adapted infrastructure to meet shifting client goals, showcasing versatility across diverse AI applications.

Head of Artificial Intelligence

NEOS Life Insurance Group

Apr 2023 - Feb 2024

Directed AI strategy and implementation, significantly reducing underwriting turnaround time and ensuring ethical AI compliance.

  • Reduced underwriting turnaround time by 4.4x via strategic prompt engineering, LLM fine-tuning, and RAG-based retrieval.
  • Led multi-disciplinary collaboration across legal, actuarial, and engineering teams to ensure ethical AI compliance.
  • Created sandbox environments and conducted AI safety training, fostering robust internal testing and red teaming.

Chief Technical Officer

Source Localisation

Jan 2022 - May 2023

Guided cloud and AI engineering teams to enhance mineral prospectivity mapping and boost geospatial forecasting accuracy.

  • Led cloud and AI engineering teams to enhance mineral prospectivity mapping utilizing Azure HPC and satellite analytics.
  • Boosted geospatial forecasting accuracy by integrating deep learning, aligning exploration technology with regulatory demands.

Postdoctoral Research Fellow

University of Sydney

Aug 2016 - Dec 2021

Designed and executed novel experimental frameworks, contributing extensively to neuropsychopharmacology and brain development research.

  • Designed novel experimental frameworks combining neuroimaging and behavioral data to study brain development.
  • Published extensively on neuropsychopharmacology, ADHD traits, and learning-by-analogy techniques.
  • Drove interdisciplinary collaborations across medical and educational faculties, enhancing research breadth.

Postdoctoral Research Fellow

Murdoch University

May 2014 - Jul 2016

Mentored postgraduate researchers and founded a statewide neurotech methodologies group, advancing EEG/fMRI analytics.

  • Mentored 20+ postgraduate researchers in EEG/fMRI analytics, data pipelines, and statistical modeling.
  • Founded and chaired the WA Neuromethods Group to advance neurotech methodologies statewide.

Education

Cognitive Neuroscience, Developmental Psychology & AI

University of Western Australia

Jan 2009 - Jan 2014

Psychology (Double Major)

University of Western Australia

Jan 2005 - Jan 2009

Certificates

Prompt Engineering Specialisation

Vanderbilt University

Advanced Prompt Engineering

Vanderbilt University

AI Fundamentals & Ethics

DAIR.AI

Data Governance with Databricks

Datacamp

Financial Markets (Honors)

Yale University

Quantitative Modeling

Yale University

University of Pennsylvania

University of Pennsylvania

Projects

Australian Legislation Interpretation Tool

Developed a legal text interpretation platform leveraging LLMs, vector embeddings, and Knowledge Graphs.

Critical Minerals Search Platform

Engineered a scalable multi-LLM tool for analyzing historical mining exploration reports and enabling geospatial insights.

Skills

AI & ML

  • GenAI
  • LLMs
  • NLP Safety
  • Prompt Engineering
  • RLHF
  • Red Teaming
  • Trustworthy AI

Tech Stack

  • PyTorch
  • TensorFlow
  • HuggingFace
  • SpaCy
  • Databricks
  • Snowflake

Cloud & DevOps

  • AWS
  • Azure
  • GCP
  • MLOps
  • Microservices
  • CI/CD

Data

  • ETL
  • EDA
  • Bayesian Modeling
  • Data Governance
  • Scalable Pipelines

Leadership

  • Stakeholder Management
  • Technical Strategy
  • Team Leadership
  • Workshop Facilitation