# Fathom Data > Fathom Data helps organisations build robust pipelines, develop bespoke software, engineer scalable infrastructure, build machine learning models, integrate AI into their workflows and unlock actionable insights from their data. ## Data Science, Analysis, Software & AI Consultancy | Fathom Data URL: https://www.fathomdata.dev/ Description: Fathom Data helps organisations fix broken pipelines, build machine learning models, integrate AI, automate processes and train their teams. Real problems solved by real people who care. # A full spectrum data consultancy covering data science, analysis, software development and AI ## Turning complex data into clear, reliable solutions Fathom Data is a data science, data engineering, analytics and software consultancy based in South Africa, working with organisations globally. Our objective is to make data meaningful and accessible by offering solutions that are not only technically sound but also simple to understand and implement. We transform complex data into valuable insights by combining strong analytical thinking with a touch of human understanding. Real relationships, built on trust, delivered by people who care about your outcome as much as you do. Based in South Africa. Working globally. At Fathom, we call this IQ + EQ. ## Our Approach ### The right tool for the problem. Every time. From raw data to reliable infrastructure, from intelligent software to clear decisions, Fathom Data works across the full data lifecycle. We collect, clean, engineer and analyse data. We build systems that scale and models that perform. Our clients span industries and continents. And when your team needs to grow its own capabilities, we can train them too. Whatever your data challenge, we have the expertise to tackle it. ### We listen first. Whether we start with a proposal or a phone call, we make sure we understand your business, your team and what a good outcome actually looks like before we recommend anything. ### IQ + EQ. Technical rigour matters. So does knowing when to ask a better question. We pair analytical depth with genuine curiosity, the kind that comes from listening and from caring about the people behind the problem. ### AI where it earns its place. We use AI because it solves real problems, not because it is expected of us. When a simpler approach does the job better, that is what we recommend. We would rather give you the right answer than an impressive-sounding one. ### Relationships over transactions. We build trust through consistency. Many of our clients have worked with us across multiple projects and years, not because they have to, but because they know we show up, we care and we deliver. Fathom Data is a proud AWS Partner, leveraging Amazon Web Services cloud solutions to deliver scalable, secure and innovative technology for our clients. You can view our AWS partner listing here. ## Interested in hearing more? Explore our full range of data engineering, analytics, and AI services. [See what we do](/services) --- ## About Fathom Data | Data Engineering, Analytics & AI URL: https://www.fathomdata.dev/about-us Description: Learn about Fathom Data - Who we are, our story, and the expert team behind our data engineering, analytics and AI solutions. # About Fathom Data ## Built on expertise. Driven by people who care. At Fathom Data, we build things that last. We are a full spectrum data consultancy covering data science, analysis, software development and AI based in South Africa, working with organisations globally, and everything we do comes back to the solutions we deliver, the expertise we bring, the relationships we form, and the trust we earn. This page is about the people and values behind all of it The team behind the work. The values behind the team. ## The IQ + EQ Story ### Born from experience, built on belief Fathom Data was founded by Andrew Collier out of a simple frustration. Organisations had data but weren't getting answers from it. He believed the root cause ran deeper than methodology or tooling. The best technical work comes from people who are engaged, invested and working somewhere that brings out the best in them. Andrew set out to build something different. A place where rigorous data science and engineering sat alongside real curiosity about the client's world. Where the team cared about outcomes, not just deliverables. And just as importantly, built on a culture that allowed people to thrive. Over the years that team has grown into a group of people with backgrounds spanning astrophysics, environmental sciences, psychology, health sciences, software engineering, and more - all brought together by a shared approach to solving problems. We call it IQ + EQ: the technical depth to solve difficult problems, and the human understanding to know which solutions will actually deliver. - 10+ Years in business - 50+ Clients served - 100+ Projects delivered ## What we build ### The foundation behind everything we do ### Trust Integrity is non-negotiable for us. We communicate openly, hold ourselves accountable, and foster the kind of honest dialogue that allows great work to happen. ### Relationships We take a human-first approach to every engagement. We treat everyone we engage with, with dignity and respect, and we believe that truly listening and understanding is just as important as any technical skill we bring to the table. ### Solutions Solving hard problems is what we love and what we do best. We bring creativity and rigorous technical thinking to every challenge, delivering work that is built to last and designed to have a meaningful impact. ### Expertise We know our craft. Our team is highly qualified, experienced, and trusted by clients navigating complex technical challenges. We also know that expertise is never complete. So we keep growing, keep learning, and keep raising the bar. ## Our people are what sets us apart ### The team behind the work Our team combines expertise in data science, analysis, software engineering, and infrastructure with experience across a wide range of fields, from astrophysics and environmental sciences to psychology, music, and medical health sciences, and beyond. ### Matt Dennis Chief Executive Officer Matt holds a BMus (Hons) in Music Composition and is an AWS Certified Solutions Architect. After beginning his career as a composer and educator, he transitioned into data science, bringing the same creativity and precision from his musical training to building solutions across data engineering, analytics, and cloud infrastructure. His experience includes web scraping, real-time reporting pipelines, database design, and custom integrations using Python, SQL, Docker, and AWS. Matt has delivered complex cloud and data projects across the energy, FinOps, and hospitality sectors. He leads company strategy and technical delivery, working closely with clients from early scoping through to production. ### Andrew Collier Founder Andrew holds a PhD in Space Physics and has more than 15 years of experience applying scientific computing, data analysis, and machine learning to real-world problems. An AWS Certified Data Engineer, Solutions Architect, and Machine Learning Engineer, he specialises in web scraping, cloud-based data solutions and custom software development. His experience includes building ETL pipelines, automated reporting systems, machine learning models, large-scale web crawlers, and custom data collection solutions using Python, R, Playwright, Docker, AWS, and Azure. Andrew is also an accomplished trainer and speaker, with a talent for communicating complex technical concepts clearly to diverse audiences. ### James Theil Senior Data Scientist James is currently completing a PhD in Quantitative Psychology, applying agent-based modelling and reinforcement learning to investigate the mechanisms that generate and sustain social inequality. He specialises in data engineering, cloud data warehouse architecture, and statistical modelling using Python, SQL, DuckDB, Snowflake, and Redshift. He has designed and implemented ELT/ETL pipelines, greenfield OLAP systems, and cloud data warehouses, processing healthcare and insurance datasets containing hundreds of billions of rows. James approaches complex technical challenges with scientific rigour, thoughtful planning, and a strong commitment to building robust, maintainable systems. ### Bianca Peterson Senior Data Scientist Bianca holds a PhD in Molecular Microbiology, completed a postdoctoral fellowship in pharmaceutical sciences, and is an AWS Cloud Practitioner. As a certified Carpentries Instructor and Instructor Trainer, she has delivered technical training locally and internationally in R, SQL, Python, and Git. Her expertise includes ETL pipeline development, data visualisation, reporting, and technical documentation, with experience building cloud-based data ingestion workflows that transform raw data into analytics-ready datasets for Power BI reporting. Bianca combines almost a decade of hands-on data science experience with a proven ability to develop technical capability through practical training and mentorship. ### Andri Prozesky Senior Data Scientist Andri holds a PhD in Computational Astrophysics, where she developed numerical models to simulate the conditions in photoionised nebulae. She specialises in mathematical modelling, machine learning, statistical analysis, and optimisation, applying quantitative methods to a broad range of applied data science problems. Her experience includes designing optimisation algorithms for distributed energy systems, developing machine learning models that support production applications, and using statistical methods to analyse complex datasets with Python, SQL, and C. As an AWS Certified Cloud Practitioner, Andri combines strong analytical skills with a creative approach to developing practical solutions. ### Gavin Masterson Senior Data Scientist Gavin holds a PhD in Ecology and has more than 10 years of experience applying statistical modelling and data analysis to complex problems. His work focuses on building reliable, reproducible data systems, with extensive experience developing ELT pipelines, automating reporting workflows, and designing and administering PostgreSQL/PostGIS databases using platforms and tools including Databricks and Nix. He has delivered projects across the conservation, NGO, agriculture, and energy sectors, building geospatial data applications, APIs, and forecasting models for variable energy demand. Gavin takes a systems-level view, designing technical solutions that are robust, maintainable, and built to evolve over time. ### Awie Le Roux Senior Development Engineer Awie holds a BSc in Computing and is a certified AWS Cloud Practitioner, with over 10 years of full-stack experience spanning cloud infrastructure, backend APIs, frontend interfaces, and data pipelines. He has experience across a broad range of programming languages, including Python, TypeScript, C#, and Rust. Awie has delivered projects across industries, including healthcare, human capital management, and higher education, processing billions of rows of data with tools like DuckDB, Polars, and Parquet, and integrating AI capabilities such as AWS Bedrock into production. Awie thrives on hard problems, picking up new tools with ease. ### Shenine Mills Senior Data Scientist Shenine holds an MSc in Machine Learning and Artificial Intelligence and has more than a decade of experience delivering data science solutions across fintech, retail, and logistics. Her expertise spans machine learning, optimisation, predictive analytics, and large-scale data processing using Python, SQL, and Spark. She has built production-ready models for applications, including time series forecasting, recommender systems, natural language processing, and computer vision, while developing robust data pipelines and cloud-based analytics solutions on AWS and GCP. Shenine combines strong analytical skills with the ability to translate technical work into insights stakeholders can act on. ### Shani Le Roux Senior Data Scientist Shani holds a PhD in Cardiovascular Physiology and spent over a decade as a cardiovascular researcher before transitioning into data science. Her expertise spans healthcare data analytics and engineering, database management, visualisation, reporting, and technical documentation, with experience building Python- and R-based data pipelines, managing PostgreSQL databases, and deploying containerised applications on AWS using Docker. As an AWS Certified Cloud Practitioner, she has delivered projects across the healthcare, higher education, and technology sectors. Shani is known for her thoughtful, detail-oriented approach and her ability to balance multiple priorities while delivering high-quality technical solutions. ### Monique Eygelaar Senior Data Engineer Monique holds a Master's degree in Bioinformatics, where she used AWS and high-performance computing to assemble complex genomes from large-scale sequencing datasets. Her expertise includes data pipeline development, database schema design, cloud infrastructure, and deployment automation, with experience building CI/CD workflows using technologies including Docker, AWS, Ansible, and Databricks. Monique has delivered data engineering solutions across the healthcare and higher education sectors, including database migrations and systems that support production workloads. She brings precision and curiosity to her work, with a practical approach to designing robust, maintainable data solutions. ### Michelle Scott Data Scientist Michelle has submitted a PhD in Human Biology, where her research focused on biological age estimation from hand radiographs using computer vision and deep learning. She specialises in computer vision, machine learning, and statistical modelling, particularly in applications involving image-based data. Her experience includes developing deep learning models for medical imaging, designing image analysis solutions for aerial imagery, and running large-scale machine learning experiments on high-performance computing infrastructure. Michelle combines careful analysis with a practical approach to developing solutions that perform reliably in real-world settings. ### Kalonji Tshisekedi Junior Data Scientist Kalonji holds a PhD in Molecular Biology, analysing large-scale genomic and microbial datasets using statistical modelling, high-performance computing, and reproducible computational workflows. As an AWS Certified Solutions Architect, he has experience developing data and cloud solutions using Python, R, Docker, and AWS. His work includes contributing to a content management platform for a professional medical body, developing backend services, and creating analytical applications and visualisations using tools such as Shiny and Quarto. Kalonji combines a strong scientific foundation with practical experience across data science, software development, and the communication of technical concepts to diverse audiences. ### Clarissa Willers Technical Writer Clarissa holds a PhD in Environmental Sciences and has more than a decade of experience in scientific research and academic publishing. She has authored more than 20 academic publications and served as a reviewer for over a dozen scientific journals, giving her extensive experience writing, evaluating, and refining technical content to the standards expected of academic publishing. Her expertise includes statistical analysis, alongside extensive experience interpreting and communicating complex scientific and technical information. Clarissa takes a meticulous, conscientious approach, ensuring software and data documentation is clear, accurate, and accessible. Our Team ### Matt Dennis Chief Executive Officer Matt holds a BMus (Hons) in Music Composition and is an AWS Certified Solutions Architect. After beginning his career as a composer and educator, he transitioned into data science, bringing the same creativity and precision from his musical training to building solutions across data engineering, analytics, and cloud infrastructure. His experience includes web scraping, real-time reporting pipelines, database design, and custom integrations using Python, SQL, Docker, and AWS. Matt has delivered complex cloud and data projects across the energy, FinOps, and hospitality sectors. He leads company strategy and technical delivery, working closely with clients from early scoping through to production. Matt Dennis Chief Executive Officer Andrew Collier Founder James Theil Senior Data Scientist Bianca Peterson Senior Data Scientist Andri Prozesky Senior Data Scientist Gavin Masterson Senior Data Scientist Awie Le Roux Senior Development Engineer Shenine Mills Senior Data Scientist Shani Le Roux Senior Data Scientist Monique Eygelaar Senior Data Engineer Michelle Scott Data Scientist Kalonji Tshisekedi Junior Data Scientist Clarissa Willers Technical Writer ## Ready to work with us? Whether you have a defined project or just a data problem you're not sure how to approach, we'd love to talk. [Get in touch](/contact-us) --- ## Organisations we've worked with | Fathom Data URL: https://www.fathomdata.dev/clients Description: Fathom Data works with organisations across industries to surface decisions, fix data problems and build solutions that last. Find out what we deliver and who we have worked with. # Organisations We've Worked With ## What do you want to know? Fathom Data works with organisations across industries to make better decisions, solve hard problems and build solutions that last. Find out what we deliver, how we work and who we have had the privilege of working with. Trusted by the organisations we work with. Measured by what we deliver. ## What We Deliver ### The right outcome. Every time. Across every engagement, the goal is the same: leave you knowing more, deciding better and building with confidence. ### Know what to do next. We help organisations cut through noise and surface the decisions that actually matter. From exploratory analysis to production models, we work until the insight is clear and actionable. ### Do it better. Whether it is a pipeline that keeps breaking, a process still running on spreadsheets, or a model that never made it to production, we find the gap and close it. ### Understand it properly. In everything we do, we want you to know. Not just that the work has been done thoroughly, but that it has been explained in a way you can use, share and build on. ### Build for what comes next. We serve clients across industries and geographies. Whatever your problem, we bring the right expertise to bear and leave you better equipped for what comes after us. ## Who We Have Worked With We’ve worked with organisations across industries and at every scale. - - - - - - - - - - - - - - - - - - - ## Still not convinced? Get to know the people and values behind our work. [Learn more about us](/about-us) --- ## Get in touch | Fathom Data URL: https://www.fathomdata.dev/contact-us Description: Get in touch with Fathom Data. We help organisations with data pipelines, machine learning, AI integration, cloud infrastructure, custom software and data training. Based in South Africa, working globally. # Get in Touch ## Let's get to know each other better. Fathom Data works with organisations across the globe to solve real data problems. Whether you need to fix a pipeline, build a model, integrate AI, modernise your infrastructure or train your team, we would love to hear from you. Matt Dennis +27 69 056 1858 [info@fathomdata.dev](mailto:info@fathomdata.dev) ## What To Expect ### A different kind of engagement. Working with Fathom is not like working with a typical consultancy. We are a team of experts who care about your outcome, communicate like humans and stay accountable to results. ### You talk to a person. Not a chatbot, not a ticketing system. When you reach out to Fathom, you speak to someone who understands data and genuinely wants to understand your problem. ### We listen before we advise. Every organisation is different. We take the time to understand your context, your constraints and your goals before we suggest anything. The right solution starts with the right questions. ### We are honest about what fits. If a simpler approach solves your problem, we will tell you. If AI is not the right tool, we will tell you that too. Our reputation is built on trust, not on selling you something you do not need. ### We stay until it works. Our goal is not to deliver a report and disappear. We work with you until the insight is understood, the solution is running and your team knows how to use it. ## Our Team ### Extraordinary people. Extraordinary results. Our people are what set us apart. A team combining deep technical expertise with experience across fields as varied as astrophysics, environmental science, psychology and beyond. [Meet the team](/about-us) ## Common Questions ### Straight answers. Our data is a mess. Is it worth reaching out? Yes. Most organisations we work with have imperfect data. Cleaning, structuring and making sense of messy data is one of the most common challenges we tackle. You do not need to have it figured out before you call us. We are not sure exactly what we need yet. That is completely fine and more common than you think. We are good at helping organisations articulate the problem, and that clarity is often half the value we deliver. Do you work with smaller teams or only large organisations? Both. We have worked with large enterprises and small teams alike. What matters is the problem, not the headcount. If data is holding your organisation back, we can help. We have tried data and AI projects before and they did not deliver. We hear this often. Failed data projects are usually a people and process problem, not just a technical one. We stay involved, communicate clearly and make sure the work actually lands. --- ## Data Science, Analysis, Software & AI Services | Fathom Data URL: https://www.fathomdata.dev/services Description: Fathom Data delivers data engineering, analytics, cloud infrastructure and training services. We build scalable systems, uncover actionable insights and upskill your team. # Data Science, Analysis, Software & AI Services ## Data that works. Insight that lasts. We provide data engineering, statistical analysis, machine learning, custom software, systems integration, cloud infrastructure and AI services to organisations across industries. From raw data to reliable infrastructure, from complex models to clear decisions, Fathom Data works across the full data lifecycle. We collect, clean, engineer and analyse. We build systems that scale and models that perform. Whatever your data challenge, we have the expertise to tackle it. The right tool for the problem. Every time. ## We understand the struggle... - Every team has a different version of the numbers. - No easy way to visualise what is actually happening in your business. - Data inconsistencies breaking your pipelines. - Systems that don't talk to each other the way they should. - A growing business with data systems that haven't kept pace. - Available solutions don't fit your actual problem. - A wealth of data but no modelling expertise to unlock it. - A backlog of ideas and no reliable team to build them. - Processes that are still manual because no one has had the time to automate them. - A team that needs training but no programme that fits. - Unsure how to navigate the changing AI landscape. You need a partner who asks the right questions, thinks creatively, and delivers end to end. ## What we can do for you - Integrate AI into your product - Set up CI/CD pipelines - Develop custom software - Build reporting dashboards - Build web applications and APIs - Clean and prepare messy data - Make sense of complex data - Modernise applications in the cloud - Deploy across AWS, Azure, and GCP - Build machine learning models - Visualise and explore your data - Automate data pipelines - Manage complex, high-volume data - Migrate to the cloud - Streamline cloud spend and architecture - Architect scalable cloud solutions - Automate infrastructure provisioning - Integrate disparate data sources - Provide data-driven intelligence - Train your team on modern tools ## Our Services ### The full spectrum of data From engineering solutions and cloud infrastructure to analytics, data science and training, we cover everything your organisation needs to get real value from its data. ### Data Analytics & Statistical Analysis We work with your data to surface patterns, test hypotheses and build models that support better decisions. From exploratory analysis to production machine learning, we apply the technique that fits the problem. - Data collection, cleaning and preparation from diverse sources - Statistical analysis and hypothesis testing - Machine learning models for prediction and recommendation - Natural language processing for text analysis - Interactive dashboards and real-time KPI tracking - Forecasting to inform strategic decisions ### Data Engineering, Pipelines & Software We build the software and systems that make data usable. From web applications to custom APIs, we deliver reliable, maintainable solutions tailored to your stack and your team. - Web APIs and custom software solutions tailored to client needs - System and software integration - ETL automation and data pipeline development - Computer vision solutions for image detection and analysis - Web scraping for data acquisition - Database design and optimisation - Data quality and governance ### Cloud Infrastructure & Architecture We design and manage the infrastructure that keeps your systems running. From cloud architecture to automated provisioning, we build for reliability, scalability and security. - Cloud architecture across AWS, GCP and Azure - Infrastructure automation using Infrastructure as Code (IaC) - CI/CD implementation and automation - DevOps practices and tooling - Scalable cloud-based data pipelines - Security, monitoring and observability - Cloud cost optimisation ### Training & Capability Building We design and deliver training programmes tailored to your team's goals, timeline, and skill level. Whether you're looking to build capability in one of our core areas or need a programme built around your own specific requirements, we'll work with you to create something that fits. - Python, R and SQL - UNIX/Linux and Git - Docker and DevOps - Machine learning and AI driven analytics - Data management and governance - Data visualisation and dashboarding - Documentation development and reporting ## See who we've worked with Discover the organisations that trust us with their data. [Meet our clients](/clients)