Наталя

NATALYA KOLOMIYETS
Data Analyst | SQL · Python · Power BI · Tableau · Excel
Bra%slava, Slovakia (open to remote)
[відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)

PROFESSIONAL SUMMARY

Data Analyst with an Economics degree and 3+ years of analyst experience across healthcare opera%ons, finance, and market research. Turns
raw opera%onal, financial, and market data into dashboards, models, and clear recommenda%ons using SQL, Excel, Power BI, Tableau, and
STATA. Analysis of opera%onal and revenue data at a medical group informed workflow changes that contributed to a 2× increase in revenue
pace within 6 months. Strong in data valida%on, KPI repor%ng, and explaining findings to non-technical stakeholders.

SKILLS, CERTIFICATIONS & TRAINING

Data & Analy9cs: SQL, Excel (Advanced: Power Query, pivot tables, XLOOKUP), Python, Power BI, Tableau, STATA; data cleaning & valida%on,
KPI dashboards & repor%ng, data visualiza%on, sta%s%cal analysis & regression
Business: Requirements gathering, process analysis, stakeholder communica%on | Other tools: Salesforce, QuickBooks
Cer9fica9ons & Training: Intermediate SQL, Intermediate Python, Tableau Specialist, Excel Specialist Languages: English
(Fluent), Ukrainian (Na%ve), Slovak (Intermediate)

PROFESSIONAL EXPERIENCE

Handshake | AI Analyst Remote | Dec 2025 - Sep 2026
• Evaluated AI model outputs on economics, sta%s%cs, and data-analysis tasks, checking calcula%ons, methods, and conclusions against
structured scoring rubrics.
• Built test cases with expected answers and pass/fail criteria to measure model accuracy across 25 tasks.
• Categorized and tracked recurring error types, turning the paeerns into structured feedback that refined the team's evalua%on guidelines.
PLAIS Medical Group Houston, TX
Business Opera,ons Analyst May 2025 - Jun 2026
• Built Power BI dashboards tracking revenue, pa%ent volume, and campaign performance, giving leadership weekly visibility into KPIs.
• Analyzed opera%onal and revenue data across clinical, analy%cs, and marke%ng teams to pinpoint boelenecks; the findings drove workflow
changes that contributed to a 2× increase in revenue pace within 6 months.
• Translated stakeholder ques%ons into metric defini%ons and repor%ng requirements, and presented results as the primary clienhacing point
of contact.
Market Research Analyst May 2023 - May 2025
• Analyzed large market and compe%tor datasets to iden%fy market gaps and pricing opportuni%es that guided service posi%oning and
growth strategy.
• Built pricing and evalua%on models in Excel and visualized findings for leadership in Tableau dashboards.
Messina Hof Wine Cellars | Accoun%ng Analyst Bryan, TX | Sep 2024 - May 2025
• Reconciled and validated revenue, banking, and credit card data in Excel and QuickBooks, tracing discrepancies to their root causes.
• Streamlined month-end close repor%ng with Power Query and pivot tables, shortening close by 10 days.
• Defined data valida%on rules for vendor and inter-department transfers, reducing errors by 30%.
SigmaBleyzer | Accoun%ng Assistant Houston, TX | May 2022 - Aug 2022
• Standardized accounts payable records across 15+ vendors, improving data accuracy and repor%ng %meliness. • Supported month-end close
with cross-func%onal finance teams; flagged data discrepancies and process gaps.
EDUCATION

Texas A&M University | B.S. in Economics College Sta%on, TX | May 2025
Relevant coursework: Econometrics, Data Analysis, Financial Economics, Accoun%ng
Global Career Accelerator (Data Analysis Track) · Dean's List & Honor Roll · Women in Economics · President & Co-Founder, Ukrainian Club
(student nonprofit)

LEADERSHIP & VOLUNTEERING

Nova Ukraine | Advocacy Team Volunteer Feb 2026 - Present
• Research legisla%on and congressional ac%vity and synthesize findings into policy briefings for advocacy mee%ngs and internal strategy.
DAAR Founda9on | Execu%ve Board Member May 2022 - Present
• Lead fundraising for direct humanitarian relief in Ukraine and coordinate cross-border ini%a%ves; managed logis%cs for the Ukraine – The
21st Century War exhibi%on in Washington, D.C.