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Work Experience
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Senior CCAI Engineer: ML/AI & NLP Specialist

Botcopy, 2024-06 - Present

  • Engineer NLP analytics pipelines to extract insights from conversational data and improve on Google’s native analytics
  • Test and evaluate generative models for use across conversational agents, aligning model characteristics with client requirements
  • Build, deploy, and optimize both sateful and generative Google CCAI agents in line with client needs

Lead Engineer: ML/AI, NLP, & Analytics Specialist

TekSystems for Google CCAI, 2022-06 - 2024-06

  • Design NLP pipelines, analytics tools, and generative AI applications in response to client needs via GCP services
  • Engineer and implement solutions including data migration from spreadsheets to BigQuery, data cleaning, KPI tracking, clustering unlabeled free text responses, and training custom models to simplify analytics
  • Coordinate data processing team efforts for labeling datasets, developing classification guidelines, and technical process documentation

Data Designer – Contract

TekSystems for Google CCAI, 2021-06 - 2022-06

  • Apply statistical and machine learning techniques to analyze client data
  • Generate insights from analyzed data to make recommendations for product improvements
  • Design, build, and maintain Google CCAI agents for client-specific use cases as well as NLP experiments

Japanese Natural Language Understanding Specialist – Contract

Cerence, Inc., 2020-11 - 2021-04

  • Extend NLU grammars used for speech recognition models with necessary labels and semantic tags
  • Analyze and correct errors in NLU machine learning model output in an accurate and timely manner
  • Localize English NLU resources into Japanese for use by a variety of global automakers in intent classification and semantic labeling

Senior Operations Associate

CoreLogic, 2020-02 - 2020-08

  • Synthesize tax information from company, mortgage client, and public agency databases in order to resolve tax issues
  • Use knowledge of client and internal company procedures to resolve tax issues in a timely manner
  • Coordinate with team members and leads to resolve assigned tasks efficiently, while continuing to learn new problem solving procedures daily

Statistics & Data Analysis Tutor

Varsity Tutors, 2019-09 - 2022-05

  • Online tutoring for high school, undergraduate, and graduate level students
  • Specializing in statistics and data analysis using R, Python, and SPSS
  • Additional tutoring in Japanese, social science research design, and academic writing

Statistics & Psychology Tutor

Rochester Institute of Technology, 2019-09 - 2020-01

  • In person tutoring for undergraduate and graduate level students
  • Specializing in statistics and psychological research using R and SPSS

Research & Teaching Assistant

Rochester Institute of Technology, 2018-01 - 2020-02

  • Oversee several psychology research studies from literature review through data collection, manipulation, analysis, and presentation
  • Utilize R, Python, SPSS, Tableau, and Qualtrics to complete the various stages of research
  • Apply knowledge of research best practices, data management, and statistics to ensure integrity and accuracy of all stages of research

Japanese Language & Cultural Activities Instructor, Academic Year Program

Concordia Language Villages, 2020-09 - 2021-04

  • Teach Japanese language classes for high school credit, working with students ranging from beginner to intermediate-advanced level
  • Lead virtual Japanese cultural activities including cooking, tea ceremony, and calligraphy as a part of CLV’s academic year programs

Japanese High-School Credit Teacher, Summer Session

Concordia Language Villages, 2017-07 - 2019-08

  • Teach daily Japanese language classes for students ranging from beginner to ~300 level Japanese, including curriculum structuring, lesson planning, student assessments, and a range of activities and projects to showcase student outcomes
  • Classes take place over 4 weeks as a part of CLV’s Accredited high school credit Summer programs, equivalent to one academic year of instruction totaling 180 hours when combined with other immersion activities at the camp

Summer Camp Counselor

Concordia Language Villages, 2015-07 - 2016-08

  • Collaborate with other counseling staff to run Mori No Ike Japanese Language Immersion Camp for a period of four to five weeks, working with children and students ages 8 to 18
  • Create original daily programming and camp activities entirely in Japanese, including language instruction, dance, cultural activities, and educational presentations

Skills
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Programming Languages, Tools, & Platforms

R, Python, Ruby, SQL, Golang, NoSql Databases, Vector Databases, Julia, MATLAB, SAS, Microsoft VBA, Google AppsScript, Git, Shell, Linux/Unix, Windows, Google Cloud Platform

Data Analysis & Statistical Techniques

Data manipulation, Data tidying, NLP (sentiment analysis, topic modeling, embedding), Feature engineering, Regresison (linear, logistic, polynomial), Mixed linear modeling, Structural equation modeling, (M)AN(C)OVA, Unsupervised & supervised classification, Principal component analysis & dimensionality reduction

Data & Statistics Software

SPSS, Tableau, Excel, Microsoft Access, Google Data Studio, KNIME, JASP, jamovi, RStudio, Spyder, MiniTab, Amazon MTurk, Qualtrics, MongoDB, Power BI, Looker, BigQuery

Research Skills

Experimental design, Survey design, Data collection, Literature review, Data analysis, Data visualization, Research presentation, Human subjects research, IRB compliance, Scientific writing, Academic writing

Language

Language teaching, Translation, Linguistic theory, Cultural & educational activities, Natural Language Processing, Multilingual Research

Education
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Rochester Institute of Technology - Graduate - Experimental Psychology, 2018-01 - 2019-12

Colgate University - Undergraduate - Japanese & Psychology, 2013-08 - 2017-05

Kyoto Japanese Language School - Semester-long Language Study - Japanese, 2014-08 - 2014-12

Volunteer Work
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Fish Market Floor Intern - Himi City Port Authority, 2014-10 - 2014-10

  • Communicate with other fish market floor staff to receive, sort, process, and inspect fish incoming from fishing boats
  • Maintain market floor flow and operations
  • Communicate in Japanese with staff and other interns to ensure completion of necessary processing tasks

Sea Turtle Conservation Operations Assistant - Ogasawara Marine Center, 2014-12 - 2014-12

  • Coordinate with conservatory staff to care for sea turtles in various stages of rescue and rehabilitation
  • Communicate in Japanese with staff and other assistants to conduct conversatory operations

Projects
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particles: Contextual particle frequency in written Japanese, taking a swing at the age old question of は vs が
Keywords: Report, Python, Japanese, NLP

thesis: Analyses from my graduate thesis work, Investigating Emotion-label and Emotion-laden Words in a Semantic Satiation Paradigm
Keywords: Publication, R, Psycholinguistics, Study

aozora_corpus: A compilation of Japanese texts pulled from 青空文庫
Keywords: Corpus, R, Japanese, Literature

embs: Tools streamlining sentence embedding or clustering techniques
Keywords: Application, Report, Python, NLP

siftr: Shiny app using SIF sentence embeddings to separate out unwanted text data
Keywords: Application, R, NLP, Sentence embedding

priors: An experiment combining pretrained and bag of words embeddings to incorporate prior semantic knowledge
Keywords: Report, Python, NLP, Sentence embedding

bowts: An experiment combining pretrained and bag of words embedding approaches for embedding vector space manipulation
Keywords: Report, Python, NLP, Sentence embedding

iterate: Iterative clustering for sklearn clusterers
Keywords: Tools, Python, Clustering, NLP

topics: Experiments and utilities for text topic extraction using decision trees
Keywords: Tools, Python, Clustering, NLP

nlt: Representing tabular data in natural language
Keywords: Tools, Go, RAG, NLP

gsgf: Generating natural language expressions from JSGF
Keywords: Tools, Go, Application, NLP

Languages
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English: Native

Japanese: CEFR B2

Conversational: Advanced High
Compositional - Spoken: Advanced Mid
Compositional - Written: Intermediate High
Interpretive - Spoken: Intermediate High
Interpretive - Written: Intermediate Mid

Research Interests
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Speech Processing (EN & JP)
Keywords: Speech intelligibility, Phonology, Emotional word characteristics

Bilingualism
Keywords: Language acquisition, L2 phoneme processing

Natural Language Processing
Keywords: Word & sentence embedding, Unsupervised learning, Document classification

Publications & Presentations
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The value of handwritten notes: A failure to find state-dependent effects when using a laptop to take notes and complete a quiz, 2020., Teaching of Psychology, 49(1), 7-13, Crumb, R. M., Hildebrandt, R., & Sutton, T. M., http://dx.doi.org/10.1177/0098628320979895

Investigating Emotion-label and Emotion-laden Words in a Semantic Satiation Paradigm, 2019., Poster presented at the Psychonomic Society 2019 Annual Meeting, Montreal, Quebec, Canada, Hildebrandt, R., Sutton, T. M.,

State-Dependent Learning and Note-Taking Strategies, 2019., Poster presented at the APS Annual Convention. Washington, DC, USA, Sutton, T. M., Crumb, R., & Hildebrandt, R.,

Certifications
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Google Cloud Associate Cloud Engineer 2023-04

Research Experience
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Emotion Word Processing in a Satiation Paradigm - Rochester Institute of Technology - Graduate Thesis

  • Study investigating how emotion word type and valence impact word processing via semantic satiation
  • R : Stimulus selection, data analysis & visualization
  • Qualtrics/SuperLab : Data collection & experiment coding
  • Presented at Psychonomic Society 2019 Meeting, Montreal

Detection & Perception of Emotional Faces - Rochester Institute of Technology - Graduate Research Assistantship

  • Research examining the categorization, detection, and rating of emotional faces as compared to other images
  • R : Stimulus selection
  • Python/PsychoPy : Experiment coding

Content Retention & Note Taking Style - Rochester Institute of Technology - Graduate Research Assistantship

  • Study looking at how note taking mode (laptop or hand-written) impacts retention of different kinds of information in an educational setting
  • Presented at APS 2019, Washington DC
  • Published: Crumb, R., Hildebrandt, R. & Sutton, T. M. (2019). The value of handwritten notes: A failure to find state-dependent effects when using a laptop to take notes and complete a quiz.

Speech Intelligibility Testing for Novel Noise Reduction Algorithm - Rochester Institute of Technology - Graduate Researcher Position

  • Project assessing noise reduction algorithms for use in microphones used by first responders
  • Praat/R : Stimulus preparation, data coding
  • MTurk : Experiment coding, data collection

Integration of Visual Cues When Reproducing Novel L2 Phonemes - Colgate University - Undergraduate Thesis

  • Assessing how visual cues impact how accurately English speakers reproduce Japanese long vowels and geminate consonants

Synthesis of English & Japanese Research on the McGurk Effect - Colgate University - Independent Research Grant

  • Translating and synthesizing English and Japanese scientific literature for use in my thesis study through a student research grant awarded by Colgate University

Coursework
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Data Science & Statistics
Courses: Natural Language Processing Specialization, Feature Selection for Machine Learning, Deep Learning A-Z: Hands-On Artificial Neural Networks, Causal Data Science with Directed Acyclic Graphs, Bayesian Statistics, Graph Theory

Google Cloud Platform
Courses: Creating Business Value with Data and Looker Specialization, Customer Experiences with Contact Center AI - Dialogflow ES & CX Specializations, From Data to Insights with Google Cloud Learning Path, Machine Learning on Google Cloud Learning Path

Data Science Libraries & Languages
Courses: TensorFlow Developer Specialization, TensorFlow: Advanced Techniques Specialization, Complete Time Series Analysis Bootcamp in R, Master SQL for Data Science

Ryan Hildebrandt
Author
Ryan Hildebrandt
Data Scientist, etc.