Hello!
I am Disha

Turning data into clear decisions.

I'm aData & Business AnalystData & AI Engineer

About Me

A creative mind,
sharpened by data.

I turn raw, unstructured data into strategic assets — delivering insights across the energy operations and retail sectors. I pair SQL, Python and BI tools with AI-augmented workflows to cut time-to-insight, holding every project to a strict standard of data integrity, validation and GDPR compliance.

+25%Reporting efficiency gained at A One Salasar

−30%Manual effort cut across reporting

Disha Dhara with an industry leader during an S3 site visit

Beyond the deskKnowledge gained through industry leaders — a recent S3 visit, learning from people who run data in the real world.Read the post →

BasedSheffield, UKOpen to relocation

StatusOpen to roles

Experience

Three years across energy, operations & analytics.

2025 — PresentMost recent

Student Mentor & Ambassador

Sheffield Hallam University

Sheffield, United Kingdom

Student MentorOct 2025 — Present

Tutor students on SQL, statistical analysis and Python data workflows — daily practice explaining complex data clearly to mixed audiences.
Deliver workshops on data cleaning, validation and visualisation.

Student AmbassadorJun 2026 — Present

Represent the university at open days and recruitment events — sharing my student experience with prospective students and their families.
Support campus tours, Q&A sessions and outreach activities, communicating clearly with diverse audiences.

SQL & statisticsPython workflowsOutreachPublic speaking

Jun 2024 — Jul 2025

Data & Operations Analyst

A One Salasar Pvt Ltd · Business Development

Thane, India

Analysed large operational and sales datasets in SQL and Python to identify trends, risks and commercial opportunities — turning findings into clear recommendations for sales, operations and management stakeholders.
Supported continuous-improvement projects across reporting and operations, replacing manual Excel workflows with automated reporting.
Built and tracked KPIs, validated source data and standardised definitions — giving the business a consistent, trustworthy view of performance.
Used data-driven client segmentation and demand insight to prioritise sales activity, contributing to top revenue performance for three consecutive months.

+25% reporting efficiency−30% manual effortTop revenue × 3 months

Aug 2023 — Sep 2023

Project Intern

Nuclear Power Corporation of India

Navi Mumbai, India

Worked inside a quality-driven nuclear-sector environment, following clearly defined processes for every data review.
Analysed inventory and operational data in Excel, improving accuracy by 15% through validation, cleaning and standardisation.
Worked with technical teams to define data validation checks and quality standards.

+15% data accuracyValidation standardsEnergy sector

Education

Two institutions, one foundation.

MSc in Big Data Analytics · Sheffield Hallam University

Sheffield, UK. One of the UK's leading modern universities, recognised for its strong focus on student-centred teaching and applied, industry-connected learning. Awarded the Transform Together Scholarship for academic excellence and international student achievement.

2025 – 2026

BTech in Information Technology · Bharati Vidyapeeth Deemed University

Navi Mumbai, India.

2020 – 2024

Skills

The tools I work with.

The tools I reach for, grouped by what they're for — filled tags are the ones I use most.

Languages

04 · Tools

PythonRSQLHiveQL

Modelling & Machine Learning

09 · Tools

Scikit-learnXGBoostStatsmodelsCross-validationNeural NetworksHypothesis TestingData ImputationSHAPLIME

Big Data

04 · Tools

PandasNumPySparkDatabricks

Visualisation

08 · Tools

TableauPower BIStreamlitMatplotlibSeabornJupyterExcelExcel Charts

Data Engineering

05 · Tools

AzureAWSApache NiFiETL PipelinesDatabricks

Tools & Platforms

04 · Tools

GitGitHubMS ExcelJupyter Notebook

Projects

Selected work.

Academic and professional projects across data warehousing, BI and machine learning.

ResearchIn Progress

ML Imputation & Explainable AI

My ongoing MSc dissertation — a large-scale experimental study on 1M+ records evaluating how imputation techniques affect predictive performance under varying missingness, training models with cross-validation and applying Explainable AI to compare accuracy, feature stability and fairness.

Tools Used

PythonRandom ForestXGBoostScikit-learnExplainable AI

Road Traffic Accident Data Modelling

Designed a constellation-schema data warehouse on UK road-traffic accident data (2020–2024), built fact and dimension tables and multiple data marts in Hive, and developed interactive Tableau dashboards analysing accidents by severity, weather, vehicle type and demographics.

Tools Used

SQLApache HiveApache NiFiDBeaverTableauR

Retail Sales Performance & Demand Forecasting

Extracted and cleaned 500K+ retail transactions, applied statistical tools to identify demand patterns and seasonal trends, built an RFM-style segmentation model, and delivered a Power BI dashboard with 8 KPIs for real-time diagnostic analytics.

Tools Used

PythonPower BISQL

Featured · Recognition

Highlights & leadership.

Research · 2026

Research Poster Showcase.

Presented my MSc research on ML Imputation & Explainable AI at Sheffield Hallam University's School of Computing showcase — a comparative evaluation of imputation methods and their impact on model explainability.

Explainable AIResearch Focus

View on LinkedIn

Disha Dhara presenting her research poster

Audience at the research poster showcase

Leadership · 2026

Future Tech Appathon Co-Organiser.

Co-organised a Future Tech Appathon for 50+ participants — coordinating logistics, mentoring teams through the build, and supporting judging on the day.

50+ BuildersEvent Scale

View on LinkedIn