Gunnison, Colorado · Data & AI Automation

Elissa
Esterlein

I design and build custom software that streamlines operations and improves outcomes, turning complex data from any source into reliable tools that teams depend on every day.

See the work Get in touch
0custom apps in daily use by real office staff
0parcels mapped across 3,260 square miles of the Colorado Rockies
0years working as a data analyst
0public dashboards on GitHub and Tableau Public

01 · Selected work

Projects

Most of these started as real problems in a county assessor's office, and several put LLM and vision APIs to work on everyday tasks. Filter by type, or pick a skill below to see where I've used it.

02 · Toolkit

Skills

Click a skill to filter the projects that use it.

03 · Background

Experience

  1. Jul 2025 – present

    Data Analyst · Gunnison County Assessor's Office

    • Write and tune SQL in SQL Server Management Studio and Access to extract, transform, and deliver property and assessment data for appraisers and the public.
    • Help produce state-required work: valuations, tax rolls, abstracts of assessment, and certifications of value to about 42 taxing entities.
    • Validate and QA large property datasets so statutory reports are accurate and on time.
    • Analyze sales and property characteristics to find discrepancies and support appraisal.
    • Build the dashboards and mapping tools above so staff and residents can explore parcel, building, and land data without GIS software.

  2. Jan 2015 – Jan 2021

    Data Analyst · MedAware Systems, Boulder (remote)

    • Analyzed and interpreted medical literature and research data behind clinical research tools used by client organizations.
    • Designed search strategies and inclusion criteria that made database research more precise and efficient.
    • Maintained and validated key datasets, tracked metrics, and recommended process improvements.
    • Worked with clients to define research needs and presented findings to internal teams.

  3. Education

    B.A., Biology · Western Colorado University, 2013

Licensure track

Colorado assessor designation (RAEP)

Regional Assessment Education Program coursework toward a Colorado assessor license.

  1. Basic Appraisal Principles
  2. Basic Appraisal Procedures
  3. Introduction to Assessment
  4. Ad Valorem Mass Appraisal
  5. USPAP

04 · Contact

Let's talk data.

Open to AI automation, data analyst, and GIS roles, remote or in Colorado. The fastest way to reach me is email.

GitHub ↗ Tableau Public ↗ Kaggle ↗