Dalton Simancek

Health NLP & ML Researcher

PhD student specializing in Health NLP and ML at the University of Michigan Medical School, seeking full-time roles in ML/NLP research. Experience includes fine-tuning BERT-based NLP systems for healthcare data at Michigan Medicine, and operationalizing data platforms at Apple. Skilled in Python, PyTorch, HuggingFace Transformers, and Tableau. Proven track record in privacy-enhancing applications, data analysis, and implementing NLP fairness evaluation frameworks. Passionate about leveraging technology to solve real-world healthcare challenges.

(248) 568-4494 · daltonsi@umich.edu

Work Experience

NLP Research Specialist (Graduate Researcher)

University of Michigan Medical School, NLP4HEALTH Research Group | Ann Arbor, MI
  • Fine-tuned and validated a BERT-based de-identification NLP system with the lead researcher at Michigan Medicine. This system facilitated the automated removal of 18 HIPAA identifiers from unstructured clinical text fields extracted from thousands of patients' electronic health records
  • Developed name pseudonymization NLP post-processing procedure to reduce leakage of sensitive patient names by 70% through obscuring the visibility of de-identification system false negatives at scale
  • Implemented a novel NLP fairness evaluation framework utilizing patient demographic information to assess de-identification performance gaps across patient subpopulations. Proposed a stratified patient record sampling workflow to address equity gaps in system performance
Aug 2022 - Present

Data Scientist

Apple - HomeKit Software Framework | Cupertino, CA
  • Operationalized a new data platform within the HomeKit framework, among the first to develop ETL and analysis workflows from novel cloud infrastructure. Processed device logging from millions of Apple and 3rd-party accessories, delivering database aggregates, dashboards, and Python modeling scripts to support QA and Product KPIs
  • Forecast impact of Product and QA development efforts: facilitating hardware depreciation, mapping code changes to software termination rates, and projecting trends in customer acquisition and maturity
  • Collaborated with privacy engineers to write and approve 50 new data fields into 10+ HomeKit software updates, balancing the utility of information collection with customer privacy risks
  • Delivered reports on HomeKit growth to the finance team and Apple executives for eight quarterly earnings calls
Nov 2019 - Oct 2021

Data Analyst

Apple - watchOS Stability | Cupertino, CA
  • Led engineering quality assurance strategies to mitigate software terminations (e.g., app crashes, kernel panics) on the latest watchOS builds. Analyzed device logging and established termination rate goals across millions of Apple Watches, resulting in record-low termination rates across three major concurrent and over 15 minor watchOS updates.
  • Championed watchOS stability goals through weekly communication with dozens of watchOS engineers and executives regarding top crashes and termination rates of 3+ software updates at a time, strategically managing software stability through the development cycle from internal testing to Beta and Public releases.
July 2017 - Nov 2019

Research Associate

University of Michigan Health System - CHEAR Unit | Ann Arbor, MI
  • Facilitated the collection and analysis of data for grants and publications among three principal investigators via surveys, interviews, and focus groups.
  • Created 30+ infographics and educational videos to educate physicians, patients, and parents about diagnostic testing, patient experiences, and treatment curriculums related to newborn screening, adolescent diabetes, and pediatric weight management.

   Grants

    In My Shoes: Using Parent Narratives as a Newborn Screening Educational Tool
    2014 Challenge Award Recipient, Baby's First Steps, Genetic Alliance
    Web-based catalogue of parents’ self- narratives about their experiences receiving a positive newborn screening result

   Publications

July 2013 - Oct 2016

Engaged Learning

Global Information Engagement Intern

The League of the Friends of the Blind (LOFOB) | Cape Town, South Africa
  • Developed a web-based solution to support client intake data collection and storage for a Cape Town non-profit supporting the blind and visually impaired
Jan 2016 - July 2016

User Experience Intern

Squibit | Ann Arbor, MI
  • Evaluated the usability, usefulness, and acceptability of a software platform to report workplace incidents; the assessment featured interaction maps, user interviews, usability tests, heuristic evalutions and surveys
Jan 2016 - April 2016

Information Intern

2112 | Music, Film, Tech Incubator | Chicago, IL
  • Planned a set of KPIs to monitor and report incubator health
Spring 2016

Citizen Interaction Design Intern

Dahlem Nature Center | Jackson, MI
  • Designed prototype for BREADCRUMBS NATURE GUIDE*: a bluetooth-beacon powered Android App to help the blind and visually impaired navigate nature trails

   *Featured at CES 2016 STUDENT SHOWCASE

Sep 2015 - Jan 2016

NYC Innovation Trek

New York City, NY
  • Created and workshopped a pitch for 'Troup': a mobile platorm to plan, coordinate and share group travel to a set of companies across Manhattan
Fall 2015

Community Video Production Intern

Ministry with Community | Kalamazoo, MI
  • Filmed and Produced a series of short documentaries for marketing the services of a daytime homeless shelter
Summer 2011

Disney College Program Intern

The Walt Disney Company | Walt Disney World, FL
  • Performed custodial services and street entertainment at the Magic Kingdom Theme Park
July 2009 - Dec 2009

Education

University of Michigan Medical School

Doctor of Philosophy
Health Infrastructures and Learning Systems

Coursework and Dissertation Interests

NLP for Health Data | Deep Learning Architectures | Computational Bioinformatics | Distributed Learning | Differential Privacy | Implementation Science Frameworks

September 2015 - April 2017

University of Michigan School of Information

Master of Science
Information Analysis and Retrieval
September 2015 - April 2017

Friedrich-Alexander Universität Erlangen-Nürnberg

Post-Bachelor Fellowship | Erlangen, Germany
German, Media Studies
August 2012 - April 2013

Kalamazoo College

Bachelor of Arts
Major: English | Minor: German, Media Studies
August 2008 - June 2012

Skills

Data Analysis

Python | Statistics | ML Scripting + Coursework


Visualization

Tableau | Photoshop + Illustrator


Data Engineering

SQL (MySQL, Vertica, Impala, Oracle) | Git | PySpark/MapReduce


Storytelling

Engineering/Executive Reviews | Grant/Manuscript Writing | Documentary Filmmaking


Qualitative Research Methods

Survey Design | User Testing | Focus Groups | Interviews