Leading experts in data science training solutions.

Jumping Rivers has delivered quality data insights from day 1. Based in Newcastle and founded in 2016, the company is bringing a fresh approach to the world of data analytics. Our trainers and consultants come with over 100 years combined experience in R, Python, Stan, Scala and other programming languages. We have worked with some of the largest (and smallest) companies in the world.


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Esther Gillespie


Esther makes Jumping Rivers tick. Her goal is to help clients plan for the future. This means ensuring that what happens now, fits into their big picture.

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Dr Colin Gillespie


Colin has been using R since 1999. He's the author of a number of R packages and has published the book Efficient R Programming with O'Reilly.

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Theo Roe

Data Scientist

Theo holds a 1st Class Honours MMathStat in Mathematics & Statistics from Newcastle University. He is the author of many of the Jumping Rivers courses and works with a range of clients.

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Sebastian Mellor

Data Engineer

Sebastian has a 1st Class Honours MMathStat in Mathematics & Statistics from Newcastle University. He has multiple publications on machine learning, sensor deployments and infrastructure, and data visualisation.

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Dr Rhian Davies

Data Scientist

Rhian loves using statistics to help people make data driven decisions. As a data scientist, she has worked closely with varied domain experts including physicists, psychologists, game designers and engineers.

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Deborah Washington

Project Operation Manager

Deborah is responsible for Jumping Rivers' office support. As Admin Manager, Deborah works across the organisation, to deliver customer requirements and assist the team's daily objectives.

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Dr Jack Walton

Data Scientist

Jack holds a PhD in applied mathematics and loves all things computer-related. He is devoted to sharing his knowledge and passion as a Jumping Rivers trainer, StackOverflow contributor, and programming-blog author.

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Andrew Patterson

Data Engineer

Andrew has gone from studying Maths and Physics at university, to network and server engineering, to a programmer role and then into DevOps and automation work.

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Liam Kalita

Data Engineer

Liam holds a Computer Science degree from Northumbria University. He has worked within junior DevOps and Web Development roles since 2018. He is currently studying towards an Msc in Cyber Security.

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Russ Hyde

Data Scientist

Russ has previouly worked in molecular biology and bioinformatics. He holds a PhD in Molecular Physiology and MSc in Mathematics. Russ is an author of several CRAN packages and mentor on the R-for-data-science community.

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Mandy Norrbo

Data Scientist

Mandy has a degree in Psychology where she discovered her love for R. She has experience teaching data science to a diverse audience and enjoys creating Shiny apps, data visualisations, and data-related comics.

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Martin Smith

Data Engineer

Martin has been dealing with Windows-based networks for over 10 years and developing SQL Server systems, and likes to study Data Science in Python, but is moving to learn more in R.

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Georgia Atkinson

Data Scientist

Georgia is currently studying for a PhD in Engineering. Her project looks at applying deep learning techniques to dolphin acoustics. She has a background in statistics and machine learning and enjoys applying her knowledge to real-world problems.

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Josh Barney

Data Engineer

After a 1st in Computer Science at Newcastle, Josh undertook statistical training from the Cloud Computing for Big Data CDT and researched improving CNN regression models for apparent age estimation of facial imagery.

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Dr Keith Newman

Data Scientist

Following a PhD in statistics at Newcastle University, Keith developed software to improve road safety modelling. He enjoys creating Shiny apps and teaching the use of R.

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Dr Myles Mitchell

Data Scientist

Myles holds a PhD in Astrophysics and MPhys in Physics from Durham University. He has a background in Python programming and enjoys discerning and visualising trends from vast data sets.

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Dr Astrid Radermacher

Data Scientist

Astrid did a PhD in Molecular Biology, during which she fell in love with R. She loves extracting meaningful insights from data, and displaying these in visually appealing (and often interactive!) ways.

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Dr Clarissa Barratt

Ambassador for Data Science

While working towards her PhD in applied mathematics Clarissa discovered her love of science communications. Her goal is to make data science accessible to everyone, and to encourage people to engage with the goings on at Jumping Rivers.

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Dr Parisa Gregg

Data Scientist

Parisa has a PhD in Particle Physics from Durham University, which she undertook within the CDT in Data Intensive Science. She enjoys programming in Python and applying machine learning to real-world problems.

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Dr Shane Halloran

Data Engineer

Shane holds a PhD in applied statistics. His favourite programming language is R, and he is passionate about engineering systems which get the most out of data.

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Helen Murray

Chief of Staff

With over 15 years of experience in HR, finance, events and office management, Helen supports the team and helps the company to excel in their objectives. She excels at supporting excellent company culture and holds level 5 CIPD qualification.

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Gemma Nicholls

Operations Manager

Gemma is the glue that holds Jumping Rivers together - driving our Strategy, Values and the Customer Journey. Drawing on a wealth of commercial and public sector experience, Gemma shapes and coordinates the operational arm of the business to best deliver value to our customers.

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Rich Adams

Relationship Manager

Rich has been a client and partner manager in the data and analytics space for the last 3 years with a further background in client management in the finance sector. He thrives off hearing the bespoke and unique ways businesses are getting value from their data.

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Susan Smith

Finance and Administrative Officer

Susan has more than 15 years practical experience in financial management and holds an AAT professional diploma. She enjoys working with SMEs and manager owned businesses to help organise the numbers and balance the books.

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Amieroh Abrahams

Data Scientist

Amieroh discovered her love for R and Python while studying Oceanography. She has a wide range of experience in data analysis and training, enjoying extracting meaningful insight from data and making data science accessible to everyone.

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Dr Tim Brock

Data Scientist

Tim has a PhD in physics from the University of York. He is a web developer with a passion for bringing data science and visualisation to the browser using JavaScript libraries and frameworks like d3 and Vue.

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Osheen MacOscar

Junior Data Scientist

Osheen has a 1st Class Honours BSc in Mathematics from Manchester Metropolitan University. He is an aspiring data scientist who can’t wait to get started teaching and working on projects for JR.

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Jack Kennedy

Data Scientist

Jack did a PhD in statistics at Newcastle where he developed and used statistical methods to make complex computer models more efficient. He is a huge proponent of Bayesian methods and loves getting involved with the wider data science community.

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Anna Barrett

Personal Assistant

Anna supports the Executive team and acts as the first point of contact for the business. Her exceptional collaborative and time management skills keep everyone organised. Anna holds a level 2 and 3 in Business administration, with experience working in the education sector and the NHS.

NHS Scotland

"Pace of delivery was just right, good mix of walked through examples and practical exercises. The course was clearly and methodically taught, the practical examples were realistic, and the tutors were friendly and approachable. Instructors - really friendly, helpful and patient."

Francis Crick

"Overall, it is a great course for absolute beginners. Good course, really helpful, good amount of time to practise the code learnt"

Shell International Petroleum Company

Alex Hancock - Global IT Manager: Data & Analytics

"Colin's excellent training on R is now the gold standard for my team. The combination of theory, practical examples, and his flare for instruction make the training very accessible, and have really helped us leverage the power of R."


Nicole Avison

"I have attended several of Colin's R programming courses over the last few years. In delivering courses to our department he tailored the courses to our line of work, which really helped in applying the theory to real life. Colin has also helped me learn how to apply version control to our R code, which has resulted in us piloting a new way of developing R code."

Agri-Food and Biosciences Institute (AFBI)

Michelle Allen

"The Jumping Rivers R training is excellent. The knowledge gained from the training courses has enabled me to tackle projects such as creating an interactive dashboard and automating the download of real time met office 3-hourly 5 day forecast data for multiple UK locations. R is now my preferred choice when undertaking tasks."