Available for International Contracts

Transforming Raw Spatial Data into Strategic Intelligence

Welcome to GeoPhoenix. Founded and led by Teshan Ishara, we deliver expert GIS tasks, professional data analysis research support, and custom spatial intelligence maps.

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Professional Experience
Profile

Bridging Ecological Science & Spatial Analytics

Teshan Ishara - Founder & Lead GIS Specialist

With a strong academic background in spatial analysis and data science, I have spent over 6 years delivering highly accurate GIS mapping, urban planning layouts, service area analysis, and statistical models for clients across the USA, UK, Europe, and Australia. I merge domain expertise in environmental systems with advanced geoprocessing to solve complex spatial challenges.

Whether you need a flood risk vulnerability assessment, municipal suitability analysis, service accessibility mapping, or sophisticated scripting in Python, R, and SPSS to automate spatial workflows, I deliver professional-grade, publication-ready spatial outputs.

BSc (Hons)

Fisheries & Marine Sciences

Research

Research Assistant for University of Southampton projects, specializing in data analysis and geospatial research support.

Merging ecological domain expertise with spatial science allows me to craft data models that are both scientifically rigorous and visually compelling.

Why Work With Me

Multidisciplinary GIS

Expertise spanning urban planning, routing, service area analysis, and environmental science.

Global Communication

Serving corporate, academic, and governmental clients with rapid turnaround.

Academic Rigor

Specialized research support using advanced geostatistics and reproducible script pipelines.

My Offerings

Specialized GIS & Data Analysis Services

High-fidelity spatial modeling, academic statistics, and custom research packages tailored to meet international publication standards.

GIS Specialist

GIS Mapping & Remote Sensing

Advanced spatial data rendering, terrain modeling, and satellite imagery analysis to map environmental hazards and changes.

  • Flood Risk Maps - Hydrological modeling & inundation zone delineation
  • LULC Mapping - Land Use/Cover classification via remote sensing
  • Suitability Analysis - Multi-criteria evaluation for site selection
  • Heat Island Analysis - Land Surface Temperature (LST) mapping
Recommended

Data Analysis & Visualization

Leveraging Python, R, and SPSS to conduct statistical validation, ecological modeling, and generate high-impact reports.

  • Python/R Statistical Analysis - Scripted spatial modeling & ANOVA
  • SPSS Data Support - Hypotheses testing, regression & correlation
  • Interactive Dashboards - Custom data viz, charts, & HTML reports
  • Plant Ecology Analysis - Species abundance & community modeling
Academic

Academic Support Package

Comprehensive support for university theses and research publications, bridging methodology and results.

  • Thesis GIS Chapters - Map design, layout creation, and data descriptions
  • Research Map Design - High-resolution figures for journal submission
  • Methodology Design - Explaining spatial analysis steps and model validation
  • Scientific Data Modeling - Statistical results verification and formatting
My Arsenal

Technical Expertise & Toolkit

GIS & Remote Sensing

  • QGIS95%
  • ArcGIS Pro90%
  • ArcMap85%
  • Cartography & Layout Design95%

Data Science & Scripting

  • Python (Pandas, GeoPandas, Rasterio)85%
  • R Studio (ggplot2, sf, raster)80%
  • Advanced MS Excel (VBA, PowerQuery)95%
  • SQL Spatial Databases75%

Domain Specializations

  • Marine Spatial Planning90%
  • Environmental Impact Assessment (EIA)85%
  • Terrain & Hydrological Modeling90%
  • Remote Sensing Raster Analysis88%
Qualifications

Professional & Academic Timeline

Work Experience

15/11/2025 – CURRENT

Research Assistant (Spatial Intelligence)

University of Southampton, UK (Remote / Collaboration)

Conducting data analysis, spatial modeling, and academic research support under the supervision of:
Mrs. Imali Manikarachchige, BSc (Sri Lanka), MSc (Sweden)
PhD Researcher, Faculty of Engineering and Physical Sciences, University of Southampton.

04/03/2025 – 04/03/2026

Graduate Teaching Assistant

University of Ruhuna, Matara, Sri Lanka

Assisted in teaching geospatial analysis, aquatic sciences, statistics, and mentored undergraduate students in GIS laboratory projects.

01/10/2024 – 07/12/2024

Data Analyst

Vitanic Plantation and Aquarium, Badalkumbura, Sri Lanka

Analyzed environmental parameter datasets, managed quality control logs, and structured business data dashboards for operational modeling.

01/2019 – CURRENT

GIS Mapping Technician (Freelance)

Fiverr, Tel Aviv, Israel (Remote)

Completed 150+ international orders. Delivers customized maps, terrain analysis (DEM), remote sensing, suitability maps, and spatial database design for global clients.

Education & Diplomas

17/03/2020 – 30/09/2024

BSc (Hons) in Fisheries and Marine Sciences

University of Ruhuna, Matara, Sri Lanka

Level in EQF: EQF Level 6

Thesis: Assessing the Fishing Grounds and the Influence of Oceanographic Variables on Skipjack tuna (Katsuwonus pelamis) distribution and abundance along the Southern Coast of Sri Lanka.

11/2024

Advanced Diploma in Geographic Information Systems

Alison (EQF Level 5)

Spatial database management, vector/raster modeling, and geospatial intelligence pipelines.

10/2024

Diploma in Environmental Quality Monitoring & Analysis

Alison (EQF Level 5)

Water, soil, and air quality index calculation and environmental assessment methodologies.

Publications & Research

2025

Assessing the Fishing Grounds and the Influence of Oceanographic Variables on Skipjack tuna (Katsuwonus pelamis) distribution and abundance along the Southern Coast of Sri Lanka

Authors: Ishara, K.P.T., Bandara, A.M.K.A., Herath, S.S.

Abstract publication examining spatial distributions of fisheries resources relative to satellite-derived oceanographic properties (SST, Chlorophyll-a).

Publications & Writings

Self-Published Books & Blogging

Author of technical prompt bibles, academic GIS resources, and modern wealth-creation literature, as well as digital growth blogging.

Personal Blog

Personal Finance & Digital Marketing

teshangrowthacademy.blogspot.com

Explore practical insights on building passive income, investment secrets, digital marketing workflows, and self-growth strategies at Teshan Growth Academy.

Passive Income Digital Marketing Wealth Building
Visit Growth Academy

Published Amazon Books

Guardian of the Digital Self book cover

Guardian of the Digital Self

AI & Safety

Buy on Amazon
The Sonic Gold Playbook book cover

The Sonic Gold Playbook

AI Music

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Suno AI for Sonic Branding book cover

Suno AI for Sonic Branding

Sonic Branding

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The Cinematic Suno Bible book cover

The Cinematic Suno Bible

Cinematic AI

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AI for HR and Recruitment book cover

AI for HR and Recruitment

HR Automation

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Advanced GIS for Oceanography book cover

Advanced GIS for Oceanography

GIS & Oceans

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Suno AI Prompt Guide Bundle book cover

Suno AI Prompt Guide Bundle

Prompt Bundle

Buy on Amazon
Midnight Thoughts & Lonely Vibes book cover

Midnight Thoughts & Lonely Vibes

Creative Prompts

Buy on Amazon
250 Side Hustles for Wealth book cover

250 Side Hustles for Wealth

Side Hustles

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Suno Prompts for Meditation & Yoga book cover

Suno for Meditation & Yoga

Wellness Audio

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The Lo-Fi & Chillwave Suno Handbook book cover

Lo-Fi & Chillwave Handbook

Passive Income

Buy on Amazon
Portfolio

Featured Professional Projects

A curated selection of spatial analysis, cartographic designs, and data modeling tasks completed for global clients.

Forest Fire Fuel Model Map - QGIS & Python Analysis
GIS & Forestry

Forest Wildfire Fuel Mapping

Custom classification models utilizing remote sensing and spatial raster data in QGIS to predict fire behavior.

Details

Forest Fire Fuel Model Map

QGIS • Python • Raster Analysis

Geological Structural Terrain Mapping
Geology

Structural Terrain Mapping

Detailed digitization and geological classification maps generated for resource planning and mineral analysis.

Details

Geological & Structural Mapping

ArcMap • Cartography • Digitization

Coastal Vulnerability & Environmental Impact Mapping
Environmental

Coastal Vulnerability Index

Integrating oceanographic, slope, and ecological data to map zones vulnerable to erosion and human activities.

Details

Environmental Impact & Risk Mapping

QGIS • Marine Science • Multicriteria Analysis

DEM Terrain Slope Suitability Analysis
Spatial Analysis

Hydrological & Slope Suitability

Calculating slope degrees and runoffs from Digital Elevation Models (DEM) for construction risk assessments.

Details

Terrain & Slope Stability Evaluation

ArcGIS Pro • DEM • 3D Analyst

Cadastral Property Map & GIS Database Setup
Cadastral

Land Use & Boundaries Setup

Precise parcel mapping, property boundary georeferencing, and database linking for municipal records.

Details

Cadastral Property & Land Use Mapping

ArcMap • Georeferencing • Databases

Urban Microclimate and Vegetation Change (NDVI)
Urban Ecology

Solar Potential & NDVI Monitoring

Analyzing thermal anomalies (LST) and vegetation health changes (NDVI) over time to optimize urban designs.

Details

Urban Solar & Vegetation Dynamics

Python (Rasterio) • R (sf) • Landsat Analysis

E-commerce Customer Segmentation & Predictive Churn Modeling
Machine Learning

Customer Segmentation & Churn

Optimizing customer retention and lifetime value using RFM features, K-Means clustering, and Random Forest prediction.

Details

Customer Segmentation & Predictive Churn Modeling

Python • Scikit-Learn • RFM Analysis

Clinical Trial Drug Efficacy & Safety Analysis
Biostatistics

Clinical Trial Drug Analysis

Advanced statistical evaluation of blood pressure drug HT-42 using ANOVA, Tukey HSD, and Chi-Square safety testing.

Details

Clinical Trial Drug Efficacy & Safety Analysis

R Programming • ANOVA • Hypothesis Testing

Interactive Corporate Sales & Operations Dashboard
Data Visualization

Interactive Sales Dashboard

A customized, high-fidelity business intelligence dashboard to track financial performance and operations in real-time.

Open Dashboard

Interactive Corporate Sales & Operations Dashboard

JavaScript • Chart.js • HTML/CSS
fiverr Verified Seller
4.9 / 5.0
(150+ Reviews)
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Work With Me Globally on Fiverr

I offer fully-vetted freelance services with secured milestone payments, transparent order updates, and escrow security through Fiverr. Over 150 projects successfully delivered to clients across North America, the UK, Western Europe, and Australia.

Accepted Flexible Payment Methods:

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Bank Transfer
Client Trust

What My Global Clients Say

"Teshan delivered an exceptional soil mapping project under tight deadlines. His understanding of GIS tools and attention to cartographic detail is outstanding. Highly recommended for any scientific mapping needs."

Dr. Andrew Miller

Environmental Professor, USA

"Superb communication and very fast execution. The custom R script Teshan wrote saved my research team hours of manual spatial analysis. Will definitely hire him again for future environmental analysis projects."

Sarah Jenkins

GIS Lead Consultant, UK

"The mapping of our marine protected zones was flawless. Having a GIS expert who holds a Marine Science degree made a massive difference—he understood our specialized data instantly."

Liam Fletcher

Fisheries Research Associate, Australia

Get In Touch

Let's Discuss Your Spatial Challenge

Ready to start your project or need advice on spatial data workflow optimization? Send me a message and I'll get back to you within 1 hour.

Primary Email

teshan.ishara@gmail.com

WhatsApp / Mobile

+94 71 529 8267

Response Time

Typically under 60 minutes

Coverage Areas

Globally servicing: USA, UK, Europe, Australia & New Zealand

100% Confidentiality & Data Security Guaranteed.

GIS Learning Academy

Master QGIS with professional, self-paced certification courses.

HOT & NEW

QGIS Fundamentals: Complete Beginner's Guide

5 Modules (150 Slides) 4.9/5.0 (3 reviews) Certificate Included

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Donation & Course Access

Suggested course value is $1.99. Feel free to support my work with a higher donation tier:

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