Summary
Overview
Work History
Education
Skills
Certification
Volunteer Experience
Publications
Software And Skills
Timeline
Generic

ELIZABETH AGREDANO

PLACENTIA

Summary

Environmental epidemiologist and data analyst with nearly four years of focused public health experience and over five years of research and applied data analysis expertise. Skilled in statistical programming (SAS, R), mapmaking (ArcGIS Pro and ArcMap), data management, and the application of rigorous analytical methods to large-scale health datasets. Demonstrated success in supporting peer-reviewed publications, developing high-quality reports, and contributing to quality assurance processes that improve data integrity and impact. Adept at collaborating with interdisciplinary teams and translating complex findings into actionable insights for research, policy, and operational use. Passionate about advancing public health through methodologically sound, equity-informed, and mission-driven research.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Epidemiologist

HSP
11.2024 - Current
  • Company Overview: Los Angeles County Department of Public Health
  • Spearheaded HIV surveillance data modernization under the CDC Data Modernization Initiative which leveraged new data streams obtained from National Notifiable Diseases Surveillance System to enhance HIV case surveillance
  • Created quality improvement and quality assurance dashboards in SAS Viya to monitor data quality
  • Developed SAS Viya code to clean and standardize electronic health record (EHR) and electronic medical record (EMR) data using macros, PROC SQL, arrays, DO loops, and functions such as UPCASE, STRIP, SCAN, FIND, and PRXMATCH, aligning outputs with eHARS technical specifications
  • Cleaned and managed 16,541 records representing 133 unique providers and 13,032 individuals; applied advanced methods to standardize race data (35 raw values to 5 eHARS-compliant categories, including umbrella codes) and clean 2,940 patient addresses across all Service Planning Areas
  • Oversaw quality assurance on EHR data and surveillance linkages by reviewing match outputs and establishing hierarchical criteria for true positive identification
  • Performed case finding and matching across ECR, eHARS, I-HARS, pending lists, and LexisNexis; reviewed 20–40 records per cycle, accelerating reporting timelines by at least one week compared to legacy methods
  • Reduced gaps in surveillance linkage by identifying missed cases (e.g., a 2024 case discovered in May 2025 due to prior mislinkage), significantly improving data timeliness and completeness
  • Los Angeles County Department of Public Health

Research Data Analyst II

Dept. Of Environmental Health Sciences
10.2022 - 10.2024
  • Company Overview: UCLA
  • Executed research in Dr. Lara Cushing’s lab for the California Office of Environmental Health Hazard Assessment, focusing on cumulative index development, public health outcomes, and equity
  • Authored audit-ready research protocol and workflow documentation
  • Coordinated IRB application process by collecting and uploading required documents—such as consent forms and recruitment materials—in accordance with submission guidelines
  • Synthesized literature on environmental pollution trends, cumulative index development, and utilized it meet project needs
  • Led the development of research databases and managed high-volume datasets using SAS (macros, PROC SQL, PROC MIXED) and R (dplyr, tidycensus), ensuring accurate data structure and analysis
  • Applied advanced statistical methods, including mixed-effects and multivariate logistic regression, equity analysis (e.g., concentration curves, rank-rank slope), and heatmap generation
  • Designed GIS maps and graphics to visualize environmental and health disparities
  • Produced detailed reports, tables, and graphs for academic publication; drafted manuscripts and compiled existing research to support dissemination
  • Supervised and mentored two undergraduate students, ensuring timely, high-quality research contributions
  • UCLA

Epidemiology Analyst

HSP
12.2021 - 03.2023
  • Company Overview: Los Angeles County Department of Public Health
  • Managed large databases and ensured data integrity for public health research, focusing on COVID-19 impacts on people experiencing homelessness in LA County
  • Undertook data management procedures, including quality assurance and data cleaning, using SAS
  • Create SAS code and tables to complete routine quality assurance and reporting of vaccination coverage within the subpopulation to be disseminated to internal and external stakeholders, updating code and deliverables to reflect recent guidance (e.g., Booster eligible at 5 months after second dose of mRNA vaccine)
  • Create thematic maps using ArcGIS Pro and Online to track COVID-19 vaccination progress by zip code
  • Developed Data Dictionary of variables developed by Epidemiologists or derived from multiple data sources
  • Utilized the Homeless Management Information System (HMIS) and Integrated Reporting Investigation and Surveillance System (IRIS) to create, QA, and update COIVD-19 case databases for tracking purposes
  • Performed public health investigations to determine housing status of COVID-19 cases
  • Los Angeles County Department of Public Health

Graduate Student Researcher

Fielding School of Public Health
11.2020 - 07.2021
  • Company Overview: UCLA
  • Supported program evaluation and research needs of Student Affairs Office (e.g., developed educational program evaluation questions, updated surveys in Qualtrics, created codebooks, disseminated findings
  • Coordinated with various offices to analyze data and create visualizations
  • Cleaned student outcomes data using SAS, summarized graduate outcomes data by degree type
  • UCLA

Research Intern

Pediatrics
07.2020 - 11.2020
  • Company Overview: Olive View-UCLA Medical Center
  • Synthesized technical and conceptual literature for methodology development of classifying LA reproductive and sexual health (RSH) deserts, adapting the USDA food desert methodology
  • Called organizations to verify service availability during coronavirus pandemic (e.g., telehealth)
  • Geospatially analyzed RSH deserts in Los Angeles Service Planning Areas (SPAs) 1 and 2
  • Created an asset map of RSH services available to foster youth (12- 18 years-old) in SPAs 1 and 6
  • Contributed to quality improvement of patient care by attending foster youth listening sessions and incorporating feedback to the development of a Patient Navigator for Olive-View
  • Olive View-UCLA Medical Center

HMIS Data Analyst

2-1-1 OC
01.2017 - 10.2019
  • Managed the county-wide HMIS database: ensured data quality, identified and resolved data errors, and collaborated with external stakeholders to uphold HUD data standards
  • Led full HMIS system transition, including RFP evaluation, vendor selection, data mapping and cleaning, user role provisioning, environment setup, QA testing, end-user training, go-live support, and post-implementation performance monitoring and issue resolution
  • Facilitated user research to identify knowledge gaps and authored knowledge base articles to improve system usability and reduce support requests
  • Designed and maintained dashboards in Tableau and Looker to monitor system performance and funding-specific metrics; created ad hoc reports using custom-calculated fields to evaluate progress toward ending homelessness
  • Produced performance evaluation reports for homeless service providers using advanced Excel techniques, including PivotTables and complex formulas
  • Served as project lead and primary contact for Orange County’s PIT and HIC efforts (2017–2019), coordinating across 40+ service agencies
  • Aggregated, analyzed, and submitted county-wide PIT and HIC data to HUD; evaluated trends in sheltered and unsheltered populations to inform planning and funding decisions
  • Reviewed PIT/HIC survey submissions from 40+ providers for data discrepancies; provided feedback and collaborated with agencies to ensure alignment with HUD reporting standards
  • Conducted descriptive statistical analysis of unsheltered homelessness by city and created public-facing infographics and narratives for local government stakeholders.

GIS Research Assistant

Center for Demographic Research
01.2014 - 01.2017
  • Company Overview: Cal State Fullerton
  • Developed spatial analysis methods to produce data summary tables (e.g., determined procedure for identifying extreme heat and flood risk in Orange and San Bernardino counties for climate change report)
  • Sourced data to meet project objectives (e.g., extracted county-wide public and private school data from state-wide database, compiled into GIS compatible format, created point shapefile of data with metadata)
  • Created and enhanced spatial data (e.g., identified errors in city boundary geographies, increased accuracy through topology edits; digitized data from aerial photographs; converted web source data to GIS layers)
  • Designed cartographically pleasing maps using ArcMap 10.2 praised as “just what [they] need” by clients
  • Documented methodologies for client projects, reviewed and refined tabulated data and publications
  • Aided in local input to SCAG’s 2016 RTP/SCS Plan by correcting General Plan and Existing Land Use parcel designations for cities, submitted as corrected shapefiles to FTP site after jurisdictional review
  • Represented CDR at Irvine’s GIS Day: explained publications and performed technical demonstrations
  • Managed datasets, reports, and maps in Excel, ArcCatalog, and server to maintain intellectual consistency
  • Developed individual demographic maps for Orange County Projections jurisdictional review
  • Trained fellow Research Assistant in digitization and geospatial data management and maintained CDR website
  • Cal State Fullerton

Research Fellow

Urban Agriculture Community-based Research Project
Fullerton
08.2013 - 01.2016
  • Designed and executed a qualitative research study on the perspectives of low-income recently un-housed individuals on urban gardening to augment food security (IRB approved)
  • Developed a detailed informed consent process including explanation of study purpose, duration, procedures, potential risks and benefits, confidentiality safeguards, and data retention and destruction protocols in compliance with IRB standards.
  • Collected primary data through direct participant surveys using iPads, ensuring accurate and efficient data recording
  • Developed and incorporated survey questions to align with community partner goals, increasing engagement with the on-site garden
  • Facilitated and transcribed two focus groups, identifying key themes through qualitative content analysis
  • Coded, cleaned, and analyzed CATI lab responses using SPSS, producing summary statistics for GIS visualizations of food security trends in Orange County
  • Disseminated research findings to key stakeholders, including activists and community leaders, enhancing community impact and awareness
  • Produced informative newsletters and led workshops (e.g., gardening life-skills class) for community partners, fostering education and skill development
  • Conducted audits of Orange County homeless services providers to ensure compliance with federal guidelines for data privacy and protection, including verification of data retention and destruction protocols, secure access controls (e.g., auto-locking computers), availability of grievance procedures and privacy notices, and adherence to documentation standards for minimum 7-year retention

Geology Intern

The Reynolds Group
05.2011 - 08.2011
  • Digitized well locations and integrated environmental remediation data into ArcGIS to support site assessment and remediation projects
  • Reviewed Superfund site documentation to assess the applicability of remediation strategies to in-progress projects
  • Managed and cleaned historical environmental datasets, reducing a two-month backlog by standardizing and entering site-level data into Excel.
  • Performed quality control on groundwater monitoring and remediation reports to ensure regulatory compliance and scientific clarity.

Education

M.S. - Epidemiology

University of California, Los Angeles
Los Angeles
09.2021

B.A. - Geography

California State University, Fullerton
Fullerton
01.2014

B.S. - Geological Sciences

California State University, Fullerton
Fullerton
01.2014

Skills

  • SAS
  • SAS Viya
  • R
  • SPSS
  • Stata
  • ArcGIS Pro
  • ArcGIS Online
  • ArcMap
  • Tableau
  • Excel
  • Microsoft Access
  • Microsoft Word
  • Microsoft PowerPoint
  • Microsoft Outlook
  • Microsoft Excel
  • PostgreSQL
  • Adobe Creative Suite
  • Fluent in Spanish

Certification

  • 2025, Self-Service Data Preparation in SAS Viya, SAS Institute
  • 2025, SAS Visual Analytics 1 for SAS Viya: Basics, SAS Institute
  • 2021, Maternal and Child Health Certificate, UCLA Center of Excellence in Maternal & Child Health
  • 2020, Summer Child Welfare Academy, UCLA Pritzker Center for Strengthening Children & Families

Volunteer Experience

  • 2024 - 2025, Volunteer, Dr. Lara Cushing’s Lab, Advising MPH student on thesis: Unequal Exposure: Investigating Drinking Water Contamination in California Public Schools. Provided analytic guidance to an MPH student’s thesis examining water contamination (e.g., lead, arsenic, nitrate, cadmium, DBCP, HAAs, PCE, perchlorate, TCE, TCP, TTH) and demographic disparities across CA schools. Advised on methods for data linking, verifying school-level water system matches, and curating large-scale environmental health datasets. Supported R-based data analysis, including descriptive summaries, visualization of lead test result distributions, and generation of publication-ready maps and tables. Guided statistical interpretation, conceptual framing, and graphic development to ensure clear and accurate communication of findings.
  • 2021 - 2022, Volunteer, School of Dentistry, UCLA, Coded and performed thematic analysis of focus groups in NVIVO; translated Spanish focus groups into English.
  • 2021 - 2023, Volunteer, Food Safety Unit, Los Angeles County Department of Public Health, Collected responses for vibrio and listeria case interviews, investigated salmonella outbreak through interviews and food line lists, performed giardia and salmonella surveillance and quality review of data input into IRIS.
  • 2020 - 2021, Member, UCLA Epidemiology Department Anti-Racism Task Force, Performed qualitative analysis of member-proposed objectives and developed themes for actionable items, performed literature reviews on evidence-based best practices in recruitment and retention of BIPOC staff, co-wrote grant proposal for anti-racist methodologies workshop that earned a $500 award.
  • 2019 - 2021, Member, UCLA PHSA Evaluation Committee, Developed 2019 – 2020 PHSA Student Survey, beta-tested survey, performed qualitative analysis of 730 responses (9 questions, n = 317), summarized themes and recommendations for dissemination which led to direct changes on behalf of the Fielding School of Public Health Student Affairs Office.

Publications

Maida, C. A., Marcus, M., Xiong, D., Ortega-Verdugo, P., Agredano, E., Huang, Y., Zhou, L., Lee, S. Y., Shen, J., Hays, R. D., Crall, J. J., & Liu, H., 2022, Investigating Perceptions of Teachers and School Nurses on Child and Adolescent Oral Health in Los Angeles County, International Journal of Environmental Research and Public Health, 19, 8, 4722, Johnson, S.E. & Agredano, E., 04/2017, CSUF Campus Projects on Food Sustainability and Food Security, Panelist at the CSUF Food Culture & Justice Symposium, Fullerton, CA, Agredano, E., 06/2016, Exploring Equitable Sustainable Urban Food Systems Through Community-based Research: The Pathways of Hope-U-ACRE Collaboration, California Higher Education Sustainability Conference, Fullerton, CA, Agredano, E. & Johnson, S.E, 06/2015, Visualizing Relationships of Consumption: Food Security, Nutritional Attainment, Food Space, and Foodways in Orange County, CA, Orange County Food Access Coalition Meeting, Irvine, CA, Blake, J., Henry, S., Golzar, R., Agredano, E., Gomih, A., Ngo, C., Li, S., Brosnan, H., Chang, A., 07/2022, Estimated Vaccination Coverage among Persons Experiencing Homelessness (PEH): Fully Vaccinated by Los Angeles Zip Code, ESRI User Conference Map Gallery, Remote, Agredano, E., Benitez-Santos, N., & Barron, S., 09/2020, Geospatial Evaluation of Sexual and Reproductive Health Service Deserts in Los Angeles County, UCLA Maternal & Child Health Poster Symposium, Remote, Agredano, E. & Johnson, S.E., 04/2015, Visualizing Relationships of Consumption: Food Security, Nutritional Attainment, Food Space, and Foodways in Orange County, CA, Annual meeting of the Association of American Geographers, Chicago, IL, Agredano, E. & Contreras, S., 04/2014, Facilitating A Relationship with Fresh Foods and Vegetables: Urban Container Gardening in Low-Income Communities, CSUF Sustainability Symposium, Fullerton, CA, Agredano, E. & Contreras, S., 04/2014, Facilitating A Relationship with Fresh Foods and Vegetables: Urban Container Gardening in Low-Income Communities, CSUF Student Creative Activities and Research Day, Fullerton, CA, Agredano, E., 05/2013, Assessing the Viability of Alternative Food Sources in Combating Food Insecurity: Urban Container Gardening in Low-income Communities, CSUF U-ACRE Symposium, Fullerton, CA, Agredano, E., Woods, A.D., Zonneveld, J.P., Beatty, T.W., 04/2013, Primary Productivity and Paleoxygenation Following the End-Permian Mass Extinction: A Geochemical Analysis of Griesbachian Sediments from the Western Canadian Sedimentary Basin (Alberta, Canada), CSUF Department of Geological Sciences Research Day, Fullerton, CA, Agredano, E., Woods, A.D., Zonneveld, J.P., Beatty, T.W., 11/2012, Primary Productivity and Paleoxygenation Following the End-Permian Mass Extinction: A Geochemical Analysis of Griesbachian Sediments from the Western Canadian Sedimentary Basin (Alberta, Canada), Annual meeting of the Geological Society of America, Charlotte, NC, Agredano, E. & Viriyasuksing, M., 06/2012, Geochemical Analysis of Gabbro Outcrop: Chiang Rai Province, Thailand, Chiang Mai University ESRT Research Day, Chiang Mai, TH

Software And Skills

SAS, SAS Viya, R, SPSS, Stata, Regressions, multilevel/mixed-effects models, survival analysis, non-parametric tests, rank-rank slope, concentration curves, ANOVA, stepwise selection, interaction/quadratic terms, Surveillance design, case finding, outbreak investigations, risk factor identification, equity analysis, GIS-based hotspot mapping, ArcGIS Pro, Online, ArcMap, SAS Viya, Tableau, Excel, Microsoft Access, PostgreSQL, Adobe Creative Suite, Fluent in Spanish

Timeline

Epidemiologist

HSP
11.2024 - Current

Research Data Analyst II

Dept. Of Environmental Health Sciences
10.2022 - 10.2024

Epidemiology Analyst

HSP
12.2021 - 03.2023

Graduate Student Researcher

Fielding School of Public Health
11.2020 - 07.2021

Research Intern

Pediatrics
07.2020 - 11.2020

HMIS Data Analyst

2-1-1 OC
01.2017 - 10.2019

GIS Research Assistant

Center for Demographic Research
01.2014 - 01.2017

Research Fellow

Urban Agriculture Community-based Research Project
08.2013 - 01.2016

Geology Intern

The Reynolds Group
05.2011 - 08.2011

M.S. - Epidemiology

University of California, Los Angeles

B.A. - Geography

California State University, Fullerton

B.S. - Geological Sciences

California State University, Fullerton
ELIZABETH AGREDANO