Applied AI | Ecosystem Development | PhD in NLP

Timothy Liu

Solutions Architect, NVIDIA AI Technology Centre (NVAITC)

I connect AI research with practical adoption through applied AI programmes, prototypes, and partner collaboration, grounded in a PhD in natural language processing.

Portrait of Timothy

Experience

Regional AI collaboration and enablement.

Mar 2023 - Present Digital and Intelligence Service

NSman

Awarded Formation Promising NSman of the Year and invited to the Presidential Garden Reception 2026.

Sep 2023 - Dec 2023 Sony Research, Japan

Research Intern

Researched multimodal foundation models and long-form image captioning with a Japanese R&D team.

  • Improved paragraph-length captioning and synthetic data for image-text retrieval.
  • Fine-tuned 7B+ multimodal models on ABCI with multi-GPU training and DeepSpeed.
Jun 2018 - Jun 2023 NVIDIA AI Technology Centre

Solutions Architect Intern

Completed a five-year NVIDIA internship alongside undergraduate and postgraduate studies.

  • Built a deep learning container for reproducible experimentation.
  • Supported GPU workloads on Kubernetes across on-premises and cloud environments.
  • Earned NVIDIA DLI Certified Instructor status for NLP, RAPIDS, and multi-GPU courses.

Selected publications

ACL-IJCNLP 2021 7 citations Best Demonstration Runner-up Award

ESRA: Explainable Scientific Research Assistant

Hongwimol P., Kehasukcharoen P., Laohawarutchai P., Lertvittayakumjorn P., Ng A.B., Lai Z., Liu T., Vateekul P.

A literature search tool uses a knowledge graph to explain returned papers and show connections between research topics.

Speaking and partnerships

Media Coverage of Activities

Education

Singapore University of Technology and Design

Sep 2020 - Aug 2024

PhD, Natural Language Processing

President's Graduate Fellowship scholar. Thesis: Foundations and Applications of Paraphrasing in NLP.

May 2017 - Aug 2020

Bachelor of Engineering (Honours)

Information Systems Technology and Design, with cybersecurity research and student workshops.

Selected recognition and community work.

Hyperhack Datathon

Gold Award for modelling medical-shock financial vulnerability with XGBoost and Tableau.

AI & Security Hackathons

Finalist at YITU Singapore AI Hackathon; winner at Google โ€œFake News Must Dieโ€ and Red Hack.

Black Hat Asia

Featured project for Prowler, a Raspberry Pi cluster network vulnerability scanner.

Community Teaching

Mentor at AI Saturdays Singapore and co-lead for Intel Make Tomorrow Catalyst workshops.

Research and engineering toolkit.

Applied AI collaboration and enablement

Partner programmes, prototypes, and technical workshops, demonstrated through speaking and partnerships.

NLP and multimodal research

Paraphrasing, semantic similarity, and model adaptation, grounded in paraphrase research and multimodal work at Sony Research.

GPU engineering and reproducible workflows

Containers, multi-GPU training, and performance experiments through ai-lab and TensorFlow Metal benchmarks.

Tools and platforms

Languages: Python, SQL, Bash, HTML/CSS/JavaScript, Java

Frameworks: PyTorch, TensorFlow, HuggingFace Transformers, DeepSpeed, vLLM, SpaCy, NumPy, SciPy, OpenCV, XGBoost, Dask

Platforms: Linux/Unix, Git, Docker, Kubernetes, AWS, GCP, Azure, PBS, Slurm

Agentic coding: Codex, Claude Code, AWS Kiro, Cursor

NVIDIA technologies: GPU cluster deployment and management; NIM, Nemotron models, Blueprints, Brev, NeMo, RAPIDS, CuPy, Visual Search and Summarization (VSS), and MONAI

Spoken languages: English and Mandarin Chinese

Featured open-source work.

asitop

Python | 4.6k stars | 211 forks

Apple Silicon telemetry CLI for CPU, GPU, ANE, memory, and power.

ai-lab

JavaScript | 434 stars | 66 forks

GPU-enabled AI development container for rapid prototyping and JupyterHub.

tf-metal-experiments

Jupyter Notebook | 279 stars | 31 forks

TensorFlow Metal experiments and model benchmarks on Apple Silicon.

text-emotion-classification

Jupyter Notebook | 199 stars | 79 forks

CNN/LSTM experiments for five-class emotion classification of short text.

prowler

Python | 124 stars | 28 forks

Raspberry Pi cluster-based distributed network vulnerability scanner.

m1-cpu-benchmarks

Jupyter Notebook | 54 stars | 10 forks

CPU benchmark notebooks comparing Apple Silicon across numerical and NLP workloads.

Outside work.

SpotterDex

Hobby project | Aircraft spotting and photography

A personal aircraft-spotting logbook and aviation photography field guide, with an interactive world map, aircraft index, squadron records, airshow collections, and spotting statistics.

For collaborations or advisory work, connect on LinkedIn.