Education
May 2020
University of Illinois at Urbana Champaign
Master of Computer Science - Data Science
Coursework: Applied Machine Learning; Text Information Systems (NLP); Introduction to Data Mining; Data Mining Capstone; Data Visualization; Practical Statistical Learning; Foundations of Data Curation; Cloud Computing Applications
Graduated with 3.95 GPA
Member of
2007
California State University Long Beach
Master of Arts in Industrial and Organizational Psychology
2005
San Diego State University
Bachelor of Arts in Liberal Arts and Sciences in Psychology
Experience
2018 - Current
Los Angeles County Sheriff's Department
Compliance Data Specialist
Created methods for capturing and curating data for documenting compliance. Designed and deployed department-wide allegation reporting mechanism and associated database. Transformed and gathered data from different data sources. Created visualizations and reports to monitor compliance. Utilized SharePoint online, R, MS SQL, and Power BI.
2006 - 2018
Los Angeles County / Sheriff's Department
Applied Behavioral Scientist / Employee Selection
Lead projects related to selection, placement, retention, and recruitment; training and development, organizational development and improvement, business process improvement, performance measurement and evaluation, quality of work life, or other areas of expertise to improve and/or create new departmental personnel practices and processes.
Consulted with departmental units to develop and validate employee selection/assessment systems (i.e., multiple choice tests, structured interviews, performance, and other devices; determination of battery components, cut‐scores, and weights) following industrial and organizational psychology principles, test construction/psychometric theory, scientific literature, and employment case law. Conferred with unit directors/managers, subject matter experts, and technical experts. Trained subject matter and technical experts to carry out test content development functions.
2015 -2019
Research and Planning Group for California Community Colleges (RP Group)
Researcher/Consultant
Program evaluation, project development, survey development, data gathering, quantitative and qualitative data analysis, draft reports.
2005
Robert Half Technology/CalEnergy
Systems Administrator
Analyzed system problems implemented solutions related to the technical aspects for supporting an open systems computing environment. Supported 200+ professional users (engineers, scientist, business managers, geologist, and field technicians). Systems Administrator
Technical Skills
Machine Learning
95%
Data Mining
95%
Advance Statistics (R, SPSS, Excel, and Systat)
95%
Natural Language Processing (NLP)
95%
Data Visualization
80%
Programming and scripting (Python, R, PHP, Java, JavaScript D3)
95%
Business Process Analysis Redesign
95%
Presentation Creation and Delivery
95%
Technical Writing and Presentation
90%
Strong Assessment & Measurement
100%
Expert MS Excel and Word Skills
100%
Cloud Technologies: Amazon Web Services (EKS-Kubernetes, EC2, serverless services, etc.), Docker, Flask, Hadoop MapReduce, Spark, Spark Mllib, Spark SQL, Storm, and more
80%
People Skills
Strong Analytical Ability
95%
Presentation Creation and Delivery
95%
Group Facilitation Skills
95%
Technical Supervision
95%
Training Development & Delivery
95%
Dependable and Self Directed
100%
CONFERENCE PRESENTATIONS & PUBLICATIONS
- Miller, B.H., Hoffman, C.C., and Valle, C. (2019). A Comparison of Scoring Strategies for Operational Situational Judgment Tests. Journal of Organizational Psychology, 19(1). doi: 10.33423/jop.v19i1.1090
- Valle, C., Hoffman, C.C., and Kowallis, D.T. (2018). Applying Classical Test Theory Item Analysis to Situational Judgment Test Items. Paper will be presented at the annual conference of the Society for Industrial and Organizational Psychology, Chicago.
- Valle, C., Hoffman, C.C., Tashima, C.C., and Ramirez, C.M. (2018). A Field Study Evaluating the Three‐ Option Multiple‐Choice Format. Paper will be presented at the annual conference of the Society for Industrial and Organizational Psychology, Chicago.
- Miller, B., Hoffman, C.C., and Valle, C. (2018). A Comparison of Multiple SJT Scoring Strategies. Paper will be presented at the annual conference of the Society for Industrial and Organizational Psychology, Chicago.
- Valle, C., Hoffman, C.C., Kowallis, D.T., and Tashima, C.C. (2016). Impact of accountability on structured interview ratings: A field study. Paper presented at the annual conference of the Society for Industrial and Organizational Psychology, Anaheim
- Hoffman, C.C., Valle, C., Tashima, C.C. and Kowallis, D.T. (2014). Process redesign of a consent decree based police promotional system. Paper presented at the annual conference of the Society for Industrial and Organizational Psychology, Honolulu.
- Valle, C. (2012). The effectiveness of employment interview coaching: A meta-analysis (Master’s thesis). Available from Proquest Dissertations and Theses. Completed for Master of Industrial and Organizational Psychology Program at California State University Long Beach
- Hoffman, C.C., Valle, C., Tashima, C.C., and Orozco-Atienza, G. R. (2010). Three field tests of a modified multiple-choice test format. Paper presented at the annual conference of the Society for Industrial and Organizational Psychology, Atlanta.
- Hoffman, C.C., Tashima, C.C., Orozco-Atienza, G. R., Valle, C. (2010). Establishing Minimum Qualifications Using Multiple Lines of Validation Evidence. Paper presented at the annual conference of the Society for Industrial and Organizational Psychology, Atlanta.
- Hoffman, C.C., Valle, C., Orozco-Atienza, G. R., and Tashima, C.C. (2009). Stability of Job Analysis Findings and Test Plans Over Time. Paper presented at the annual conference of the Society for Industrial and Organizational Psychology, New Orleans.
