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Research, engineering, publications, awards, and service.

Basics

Name Abhishek Singh Dhadwal
Label PhD Student, Health Systems Research | University of Toronto & CAMH
Email adhadwal.acad@gmail.com
Url https://abhisheksinghdhadwal.github.io
Summary PhD student in Health Systems Research at the University of Toronto's Institute of Health Policy, Management and Evaluation, based in the Digital Mental Health Lab at CAMH. I study sycophancy in large language models used for mental health support and the point where supportive agreement turns into unsafe compliance, with a focus on measuring and reducing it. My master's research at Arizona State University focused on auditable clinical decision support and safer sharing of sensitive health data.

Work

  • 2026.09 - Present
    Doctoral Researcher
    Centre for Addiction and Mental Health (CAMH) - Digital Mental Health Lab
    Doctoral research on sycophancy and safety in large language models used for mental health support.
    • LLM evaluation
    • AI safety
    • Digital mental health
    • Psychometrics and IRT
  • 2024.08 - 2026.05
    Graduate Student Researcher, Biomedical Informatics
    Arizona State University - SHARES Lab
    Built and evaluated privacy-preserving clinical decision support tools for sensitive health data as part of a NIDA-backed research initiative.
    • Built an auditable FHIR and CQL consent engine for granular data sharing under 42 CFR Part 2
    • Benchmarked 11,519 synthetic patient records at about 18,900 FHIR resources per second
    • Co-authored an Applied Clinical Informatics paper and an AMIA 2025 systems demonstration
    • Worked with clinicians, informaticians, and policy experts to turn research prototypes into usable tools
  • 2023.07 - 2024.06
    Software Engineer, Investment Banking Technology
    Credit Suisse Services AG
    Built and supported global order management and compliance systems for stocks, futures, and options across EMEA and US markets.
    • Software Development
    • C#
    • Order Management Systems
    • Database Management
  • 2021.07 - 2023.06
    Technical Analyst, Investment Banking
    Credit Suisse Business Analytics
    Designed and improved daily C# ETL pipelines for global trading data, cutting processing time by 70% and making new jobs faster to deliver.
    • Data Analysis
    • ETL
    • SQL
    • C#
  • 2020.05 - 2020.06
    Technology Intern, International Wealth Management
    Credit Suisse
    Worked on CI and DevOps improvements for International Wealth Management, including load balancer and OpenShift cluster deployments.
    • OpenShift
    • CI/CD
    • Load Balancers
  • 2020.01 - 2022.01
    Undergraduate Researcher, Computational Psychiatry
    Visvesvaraya National Institute of Technology, Nagpur
    Developed a multimodal depression-detection pipeline using smartphone, audio, and visual signals. Improved data-collection memory efficiency by 90% and co-authored two peer-reviewed papers.
    • Quantitative Research
    • Multimodal Machine Learning
    • Digital Healthcare
    • Python
  • 2019.05 - 2019.07
    Software Developer, Google Summer of Code 2019
    The Apache Software Foundation
    Implemented and tested pseudorandom number generators for Apache Commons RNG using Java, Maven, JUnit, and JMH.
    • PRNG
    • Java
  • 2018.05 - 2018.06
    Internship Trainee, Central Technical Services
    Reliance Infrastructure (now Adani)
    Worked with the central technology team to streamline web application development using JavaScript and the .NET Framework.
    • JavaScript
    • .NET Framework
    • Web Development

Volunteer

  • 2026.01 - Present
    Member, AI in Public Health Working Group
    NYU x Humane Intelligence
    Contributing to interdisciplinary discussions on responsible AI in public health.
    • Public Health
    • Responsible AI
    • Working Group
  • 2025.01 - Present
    Peer Reviewer
    International Journal of Human-Computer Studies (Elsevier)
    Reviewed manuscripts for IJHCS.
    • Peer Review
  • 2025.01 - Present
    Peer Reviewer
    NeurIPS Workshop on Time Series for Health (TS4H)
    Reviewed submissions for TS4H workshop.
    • Peer Review
  • 2025.01 - Present
    Elemental Member
    American Association for the Advancement of Science (AAAS) - Neuroscience
    AAAS membership in Neuroscience section.
    • Membership
  • 2025.01 - Present
    Student Member
    American Medical Informatics Association (AMIA)
    Professional student membership in AMIA.
    • Membership
  • 2025.01 - 2025.12
    Subgroup Lead, AMIA Student Working Group
    American Medical Informatics Association (AMIA)
    Led the Trust, Transparency and Justice in Data Use subgroup for the AMIA 2025 Year in Review keynote, reviewing and grouping more than 200 articles.
    • Literature Review
    • Research Synthesis
    • AMIA Year in Review
  • 2022.01 - 2023.12
    Career Guidance Outreach
    Antarang Foundation
    Led career guidance initiatives for at-risk youth in technology careers.
    • Outreach
    • Education
  • 2022.01 - 2023.12
    STEM Mentorship & Diversity Advocacy
    Credit Suisse
    Co-founded a mentorship program for underrepresented STEM professionals.
    • Mentorship
    • Diversity
    • Community
  • 2021.01 - 2022.12
    Technical Advocacy & Content
    Credit Suisse
    Led engagement for global coding challenges and edited the TA newsletter.
    • Content
    • Advocacy
  • 2020.01 - 2022.01
    Student Tutor
    Visvesvaraya National Institute of Technology, Nagpur
    Taught computing fundamentals and data structures to underserved students.
    • Teaching
    • Computing Fundamentals
    • Data Structures

Education

  • 2026.09 - Present

    Toronto, Ontario, Canada

    Doctor of Philosophy
    University of Toronto
    Health Systems Research, Institute of Health Policy, Management and Evaluation (Dalla Lana School of Public Health)
    • Research focus: sycophancy and safety in LLMs for mental health support
    • Based at the CAMH Digital Mental Health Lab
    • Canada Impact+ Research Training Doctoral Award (CIRTA)
  • 2024.08 - 2026.05

    Tempe, Arizona

    MS (Thesis)
    Arizona State University
    Computer Science (Biomedical Informatics)
    • Thesis: An Interdisciplinary Framework for High-Throughput, Deterministic Segmentation of Sensitive Health Records in HL7 FHIR
    • Herbold Foundation Scholar, 2025
  • 2023.07 - 2024.06

    Bangalore, India

    Executive PG Program
    International Institute of Information Technology, Bangalore
    Data Science
  • 2017.07 - 2021.05

    Maharashtra, India

    Bachelors (B.Tech)
    Visvesvaraya National Institute of Technology, Nagpur
    Computer Science and Engineering
    • Data Structures and Program Design
    • Software Engineering
    • Operating Systems
    • Neuro-Fuzzy Techniques
    • Database Management Systems
    • Introduction to Object Oriented Methodology
    • Design and Analysis of Algorithms
    • Theory of Computation

Awards

  • 2026.09.01
    Canada Impact+ Research Training Doctoral Award (CIRTA)
    University of Toronto
    Federally funded doctoral award supporting my PhD research at the University of Toronto.
  • 2026.04.01
    1st Place, ZETIC Melange On-Device AI Hackathon
    ZETIC
    Won for SumiSense, a privacy-first behavioral health assistant that runs on-device.
  • 2025.01.01
    Herbold Foundation Scholar
    Herbold Foundation
    A $10,000 award recognizing academic achievement and research potential in computer science.
  • 2025.01.01
    Graduate Student Resilience Award
    ASU Graduate Student Government
    A $500 award recognizing resilience and contributions to the graduate community.
  • 2022.01.01
    RAVE Awards (2)
    Credit Suisse
    Recognizing Value and Excellence for partnership, accountability, and project contributions.
  • 2017.01.01
    Ryan Star Award for Academic Excellence
    Ryan Group of Institutions
    Awarded for outstanding academic performance.

Certificates

Technical AI Safety
BlueDot Impact 2026
HIPAA for ASU Researchers
Arizona State University 2024
Machine Learning
Stanford University 2019-02-17

Publications

Skills

AI Safety & Evaluation
LLM Evaluation
Sycophancy
Benchmark Design
Psychometrics and IRT
Human-Centered Health AI
FHIR & CDS
FHIR R4/R5
CQL
CDS Hooks
HAPI-FHIR
Terminology/ValueSets
Consent/Segmentation
Python
Machine Learning
Data Analysis
Artificial Intelligence
Deep Learning
Automation
On-Device AI
C#
.NET Framework
.NET Core
WinForms Development
Software Development
Java
Core Java
Maven
JUnit
JMH
DevOps
Jenkins
CI/CD
Load Balancers
OpenShift
SQL
Sybase
Oracle
Database Management
ETL
Data Visualization
Tableau
Pandas
Data Analysis
Reporting
Computer Vision
Image Processing
Deep Learning
Feature Segmentation
Object Detection
Software Development
Full-Stack Development
Application Development
Web Development
Software Design
Research
Quantitative Research
Computational Psychiatry
Clinical Informatics
Multimodal Methods
Scientific Writing
Machine Learning
Predictive Modeling
Data Mining
Feature Extraction
Algorithm Development

Languages

English
Full professional proficiency
Hindi
Native speaker
French
Beginner

Projects

  • 2026.04 - Present
    SumiSense - On-Device Behavioral Health Assistant
    Privacy-first iOS assistant for daily reflection, longitudinal pattern detection, and anonymized clinician sharing.
    • 1st place at the ZETIC Melange On-Device AI Hackathon
    • Qwen3-4B
    • Chronos
    • SwiftUI
  • 2025.08 - Present
    SHARES Consent Engine (FHIR + CQL)
    Auditable FHIR and CQL consent engine for granular sharing of sensitive health data under 42 CFR Part 2.
    • Consent thresholds
    • Sensitivity labeling
    • CDS Hooks
    • HAPI-FHIR integration
  • 2025.05 - Present
    FHIRLight: Clinician-Centered FHIR Visualization
    In-browser FHIR visualization for patient timelines, clinical risk scores, cohort views, and consent previews.
    • TypeScript
    • D3.js
    • FHIR
    • Clinician survey (N=24)
  • 2025.08 - Present
    Granular Segmentation Benchmark on Synthetic FHIR Cohort
    Evaluation of SHARES across 11,519 synthetic patients, 197.6 million FHIR resources, and 11 confidentiality thresholds.
    • 18,909 resources per second
    • Under one cent per full run
    • Physician-reviewed classifications
  • 2025.06 - Present
    HAPI-FHIR Server + CQL Evaluation
    HAPI-FHIR main and terminology servers to support Library/$evaluate workflows for consent rules.
    • HAPI-FHIR
    • CQL
    • Terminology
  • 2025.03 - Present
    SHARES-CLI
    CLI utilities to encode CQL to base64, create FHIR bundles, and POST to HAPI-FHIR endpoints.
    • CQL
    • FHIR
    • CLI
  • 2025.02 - Present
    Sharpnr - AI-Powered Academic Assistant
    Privacy-first academic assistant that brings Canvas, Slack, and Calendar updates into one planning and study workflow.
    • 3rd place at the ASU Agentic AI Hackathon
    • FastAPI
    • React/Next.js
    • MongoDB
  • 2024.11 - Present
    MRI Style Transfer with CycleGAN
    Generates T2-weighted MRI from T1 scans to augment data and support diagnostic accuracy.
    • TensorFlow
    • CycleGAN
    • Medical Imaging
  • 2020.07 - 2021.05
    Indian Sign Language Translator
    Open-source Indian Sign Language translator designed for near-real-time use across changing backgrounds and lighting conditions.
    • YOLO-v3 hand detection
    • Sequence recognition
    • Open-source dataset
    • More than 100 downloads per year
  • 2019.08 - 2019.09
    Genetic Algorithm Implementation
    Notebook demonstration of a genetic algorithm solving Travelling Salesman Problem instances with about 50 nodes.
    • Fitness functions
    • Crossover
    • Mutation
    • Convergence visualization
  • 2019.10 - 2019.11
    Comparison of Clustering Techniques
    Compared K-Means, BIRCH, and agglomerative clustering on college data to study how well each method separated public and private institutions.
    • K-Means
    • BIRCH
    • Agglomerative Clustering
  • 2019.12 - 2019.12
    Feature Segmentation via Multi-Res-U-Net Masking
    Tested MultiResUNet, an architecture developed for medical imaging, on facial-feature segmentation using CelebAMask-HQ.
    • MultiResUNet
    • Facial Feature Segmentation
    • CelebAMaskHQ dataset
  • 2020.01 - 2020.02
    Resource Allocation within a Multi-Client Server
    Built a multi-client resource manager with wait queues and locking to keep concurrent allocations synchronized.
    • Resource Allocation
    • Multi-Client Server
    • Wait-list Queue
  • 2021.02 - 2021.02
    Kerberos Protocol Implementation
    Implemented Kerberos-style authentication and ticket generation between clients and services, with encrypted communication channels.
    • Kerberos Protocol
    • User Authentication
    • Key-Dependent Additive Cipher
  • 2018.08 - 2018.09
    Command Shell Implementation
    Built a Linux shell in C with process control, multiple-command execution, redirection, signal handling, and error reporting.
    • OS System Calls
    • Linux Commands
    • Redirection
  • 2020.04 - 2020.04
    Logistic Regression Classifier for Movie Reviews
    Built and tuned a logistic-regression sentiment classifier for IMDB reviews using scikit-learn and NLTK.
    • Logistic Regression
    • IMDB Dataset
    • Hyperparameter Tuning