Abby Williams, PhD

Meridian

Career intelligence platform trained on 75,000+ cross-sectional records using ensemble ML and SHAP explainability. Serves 5,000+ active users with a 30% reduction in advising cycle time.

CV-to-Resume Conversion Tool

Translates 200+ academic credentials into industry-aligned skills. Adopted by 5,000+ students without requiring ongoing staff involvement.

PhD Internships Database

Searchable career intelligence database with automated update pipelines. 10,000+ annual users across disciplines.

Sentiment-Augmented Persona Validation

NLP pipeline validating career personas through sentiment analysis on 3,000+ open-text survey responses and 60+ interview transcripts.

COVID-19 PhD Career Impact Study

Interrupted time series analysis measuring pandemic impact on doctoral career aspirations (n=329). Published in Journal of Experimental Political Science.

NSF/Mellon Career Pathways Dashboard

Integrated ML persona predictions with demographic and geospatial data. Informed $1.2M+ in program funding allocation decisions.

RIASEC Composite Feature Engineering

Psychometric composites from Holland Code survey data as primary feature inputs for career persona classification across 75,000+ records.

K-means Persona Clustering

Four validated PhD career personas using K-means clustering with silhouette scoring of 0.37 across 75,000+ cross-sectional survey records.

XGBoost Classification and Model Validation

3-class XGBoost classifier (F1=0.58, precision=0.60, recall=0.57) with Random Forest and logistic regression benchmarks and SHAP explainability.