Brendan Tomoschuk Email & Phone Number

• Built predictive life-time value and customer acquisition cost models for different user segments in SQL to serve growth team and company leadership
• Managed company A/B testing, building out experimental framework to allow growth and engineering teams to test and analyze own results
• Developed product to surface learning progress data to students based on NLP insights

San Francisco Bay Area

• Consulted with Y combinator startup providing data insight and modeling tool to increase customer engagement (cgtraffictool.com)
• Created interactive web app with dash and plotly using calibrated probabilities and random forest classifier to model legal case data

Greater San Diego Area

• Developed NLP model in Python predicting errors in early second language learners to 87% accuracy
• Modeled proficiency of bilinguals to 91% accuracy in R with survey data from ~1500 people
• Discovered novel word learning methods that improves word learning by up to 11%
• Founded weekly data science learning group focused on peer-to-peer instruction between graduate students in multiple departments
• Taught 30 undergraduates weekly on statistics and experimental design fundamentals

• Analyzed client data in Python to evaluate assessment questions for non-native speakers
• Programmed online Mechanical Turk experiments evaluating novel language assessment techniques
• Designed A/B tests to determine the effectiveness of mobile language assessment

Gent Area, Belgium

• Identified differences in language learning strategies between US and Belgian populations that inform language theory and pedagogy
• Led collaboration between two labs in San Diego, CA and Ghent, Belgium
• Presented findings to the acting American ambassador to Belgium

Bilingualism Language and Development Lab

Doctor Of Philosophy (Phd), Cognitive Psychology And Psycholinguistics

B.Ph, B.S., Neuroscience

Activities and Societies: Schreyer Honors College, Springfield THON