Yessenia Chaiu Zhang, MPH's email and phone number

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Yessenia Chaiu Zhang, MPH's Personal Email and Phone Number

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Yessenia Chaiu Zhang, MPH

Software Engineer

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Location: San Francisco, California, United StatesApprox. Years of Experience: 14

Yessenia Chaiu Zhang, MPH's Current Workplace

Experience

Software Engineer

Jun 2019 - Present

• 5 yrs 11 mos

Growth Platform (June 2020 - Present) Growth Activation (June 2019 - June 2020)

GreenInfo Network

Nov 2016 - Jun 2019

Web Developer

Mar 2019 - Jun 2019

• 4 mos

• In-house transition to web development • Future projects involve building interactive maps with Javascript, HTML/CSS, React, Leaflet, Django, and PostgreSQL

Geospatial Analyst

Nov 2016 - Jun 2019

• 2 yrs 8 mos

• Process and analyze large geospatial datasets for visualization in web and print maps • Use spatial analysis libraries, including, ArcPy, GeoPandas, and Pysal, to automate geoprocessing operations and to perform complex geographical analysis • Scripting in Python to facilitate internal workflows, such as QA/QC, data format conversions, and data downloads • Database management of the 60K+ parks in the California Protected Areas Database in PostgreSQL. Responsibilities include data modeling, form validation, schema re-ordering, and data querying and export • Analyze park access in CA using buffer tools, proportional analysis, and weighted averages • Aggregate US census data at different geography levels and generated demographic summaries • Contribute and validate editing for the California Protected Areas Database (CPAD) and the California Schools Campus Database (CSCD) About GreenInfo Network: GreenInfo Network is a non-profit organization that assists others in the use of Geographic Information Systems (GIS) and related information technologies. We work as a consultant to the many groups and agencies who engage us. We create, analyze, visualize and communicate information in the public interest.

Patient Services Coordinator

San Francisco Department of Public Health

Aug 2015 - Nov 2016

• 1 yr 4 mos

• Serve as community liaison between the SF Health Network public health clinics and the San Francisco patient population • Interpret health information and coordinate primary care for culturally diverse communities, including new immigrants, seniors, chronically ill patients, undocumented individuals, and the homeless • Experience using eClinical Works and Invision LCR to review medical charts and document patient needs • Write, edit, and publish narratives for the SF Health Network newsletter "The Bridge" • Conduct analysis of panel management outreach results and communicate results to the DPH Primary Care Leadership Team

Public Health Fellow

LA-Más

Apr 2014 - Sep 2014

• 6 mos

• Performed community research to inform development of a vision plan for a low-income, Latino-dominant neighborhood in Los Angeles, CA • Compile and analyzed U.S. Census data, public health reports, city-wide traffic information, and Google maps, to extract current land use, zoning, housing, safety, and health conditions • Created maps illustrating high pedestrian injury intersections, location of toxic release inventory sites, and speed limits, in Pacoima, CA • Reviewed community outreach surveys and synthesized results to assess needs of undeserved communities • Participated in the building, painting, and implementation of signage for an economic revitalization project in Watts, South Los Angeles

Public Administrative Analyst, Assistant / Registry Field Coordinator

UCLA School of Public Health - Parkinson's Disease, Environment, and Genes Study

Nov 2012 - Jun 2014

• 1 yr 8 mos

Data Collection/Recruitment: • Conducted clinical interviews, including phone and in-person interviews, with Parkinson’s disease (PD) patients in the Central Valley using various surveys and metrics to study residential, occupational, and lifestyle histories • Recruited patients through mail, phone, and physician correspondences for participation in a qualitative and quantitative study of Parkinson's Disease and environmental risk factors, including pesticide exposure, chemicals in the workplace, and well-water chemicals • Reviewed data collection protocols and reviewed HIPAA requirements with patients Data Management and Analysis: • Managed a state-wide Parkinson's Disease patient database by recruiting patients into the registry, collecting and cleaning data, and producing monthly summary reports • Utilized Microsoft Access and SQL to query and concatenate data • Used SAS to identify inaccuracies in data entry • Produced monthly quantitative evaluation reports to assess study progress and to ensure that the project was meeting objectives and grant requirements

Researcher; Evaluating Vegetation Change in Rancho Sierra Vista, Santa Monica Mountains

UCLA Institute of the Environment; National Park Service

Dec 2011 - Jun 2012

• 7 mos

• Collaborated with the National Park Service (NPS) to study patterns of vegetation change in Rancho Sierra Vista (RSV) to inform future restoration efforts • Coordinated with four other group members in planning a thesis and executing a research experiment • Analyzed current and past vegetation distribution by classifying orthorectified imagery and calculating changes in vegetation acreage • Ground-truthed through field assessments to verify map accuracy • Produced final report for the NPS analyzing the spatial data collected and providing suggestions for management, restoration, and weeding practices.

Education

Dates unavailable
UCLAMaster's Degree, Master of Public Health; Concentration: Environmental Health Sciences
Dates unavailable
UCLABachelor's Degree, Environmental Science; Minor: Environmental Health; Secondary Minor: Chinese
Dates unavailable
Penn StatePostbaccalaureate Certification, Geographic Information Systems