Khristian Alvarez

Data Analyst and Data Science Professional | GenAI / LLM Integration | PowerBI / Python / R / SQL / Tableau | Human-centered Analytics | Sales and Risk Assessment | LSE

Salary / Daily rate

Madrid, Spain

Freelance, open to permanent contract

Skills

Data AnalysisPythonSQL QueriesTableauBig DatapandasNumPyPower BIscikit-learnLLMs / Large language modelsETLAgile CoachingScrumData Science

About me

Intro

Data-driven professional integrating analytics, learning and operational efficiency, and emerging Al technologies. I develop human-focused solutions that transform raw data into models that predict, optimize, and empower decision-making. I focus on optimizing operations and learning systems through data. My approach combines analytics and systems thinking to identify bottlenecks, refine processes, and build scalable learning experiences that empower both people and organizations.

Links

Work experience

Data Analyst

The London School of Economics and Political Science (LSE)

Apr 2025 - Dec 2025

9 months

London, UK

– Worked on an intensive, project-based data analytics programme developed by LSE Methodology and Statistics faculty, integrating business strategy with advanced analytical practice. Gained proficiency in Excel, PostgreSQL/SQL, Python (Pandas, Matplotlib, Seaborn), R, Tableau, Git/GitHub, Jupyter, and Anaconda, applying these tools to real-world data challenges. – Queried a large PostgreSQL sales database to uncover trends and customer segments, identifying the most effective advertising channels by demographic. – Designed interactive Tableau dashboards to guide marketing and sales strategies. – Processed and analysed 27M NHS appointment records, visualising operational patterns with Matplotlib and Seaborn. – Modelled staffing optimisation and developed strategies to reduce waiting times; conducted Twitter data scraping to enhance engagement insights. – Applied k-means clustering to segment client groups and explored global sales data using R visualisations. – Built multi-linear regression models to analyse sales-marketing relationships. – Performed sentiment analysis on online reviews, providing actionable recommendations to improve satisfaction and brand loyalty.

Lead Data Analyst

Skeletal Support Incorporated

Jan 2023 - Dec 2025

3 years

Daet, Camarines Norte, Philippines

– Worked as the Lead Data Analyst for Skeletal Support Incorporated, an orthopedic medical sales company based in Manila, Philippines. – Analyzed sales performance across orthopedic product lines (implants, braces, surgical instruments, rehabilitation devices). – Tracked monthly, quarterly, and annual sales trends by region, hospital, and sales representative. – Identified high-performing products and underperforming SKUs to support strategic sales decisions. – Monitored sales pipeline metrics, including order volume, conversion rates, and revenue growth.

Provincial Tourism Officer (Tourism Analytics Lead)

Arts, Culture, and Tourism Office

Jan 2021 - Jan 2023

2 years 1 month

Remote

– Executive leader in tourism governance, data-driven policy, and sustainable destination management led Pampanga's transformation into a model for evidence-based tourism planning and post-pandemic recovery. – Directed Pampanga's provincial tourism strategy, integrating analytics into planning, marketing, and performance evaluation. – Spearheaded the Tourism Development Plan, driving data-informed decision-making and stakeholder coordination. – Established the province's first digital tourism database, improving accuracy and accountability in tourism statistics. – Strengthened Pampanga's position as the Culinary Capital of the Philippines, boosting visitor arrivals and local enterprise growth. – Championed partnerships between government, industry, and communities to advance sustainable and inclusive tourism development.

Paralegal Assistant to the Chief of Staff (Vice Governor's Office)

Provincial Government

Aug 2018 - Dec 2019

1 year 5 months

Pampanga, Central Luzon, Philippines

– Supported the Chief of Staff in the Vice Governor's Office in legal research, policy documentation, and governance coordination. Contributed to institutional efficiency and compliance through data-informed legal analysis and streamlined administrative processes. – Conducted legal and policy research to inform executive and administrative decisions. – Assisted in drafting and reviewing contracts, memoranda, and provincial issuances for compliance. – Developed document tracking systems that improved transparency and reduced processing times. – Coordinated with provincial departments and external agencies to support policy implementation. – Prepared legal reports and summaries supporting evidence-based governance initiatives.


Education

The London School of Economics and Political Science (LSE)

Postgraduate Degree, Data Science and Analytics

2025 - 2025

1 year

Universidad de Alcalá

Masters in Education (Teaching), Educational/Instructional Technology

2023 - 2024

9 months

University of the Philippines Diliman

Bachelor of Public Administration, Political Science and Government

2013 - 2018

5 years 1 month

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